LCD Segment Driver series Multifunction Segment Drivers BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV No.10044EAT04 ●Description New released Multi-function type segment drivers support GPO function, LED driving function, static-driving mode, and Blink function that can blink each segment individually. ROHM Multi-function segment driver series contribute to reduction in cost of system and easy software development. ●Features (BU97930MUV, BU97931FV, BU9798KV/GUW) 1) LCD drive output Common output : 4, Segment output : 27 (BU97930MUV) Common output : 4, Segment output : 28 (BU97931FV) Common output : 4, Segment output : 49 (BU9798KV/GUW) 2) Integrated Display data RAM (DDRAM) RAM: 28*4 =112 bit (BU97930MUV, BU97931FV) RAM: 49*4 =196 bit (BU9798KV/GUW) 3) 3-wire Serial interface (SD, SCL, CSB) 4) Integrated Oscillator circuit 5) Integrated LCD Voltage generator circuit Support: 1/3 Bias, 1/3 or 1/4 Duty Support: 1/1 Bias, 1/1Duty (Static Driving) Integrated buffer amp Integrated regulator for LCD drive: 3.2, 3.3, 3.4, 4.4, 4.5, 4.6, 5.0V selectable (BU9798KV/GUW) 6) Support Split Supply for Logic (VDD) and LCD (VLCD) 7) Integrated LED driver circuit 8) Segment terminals operation, segment output mode/GPO output mode selectable 9) Segment terminals operation, segment output mode/LED output mode selectable (BU9798KV/GUW) 10) Support PWM source select, external clock or internal clock Resolution 8bit mode/12bit mode selectable (BU9798KV/GUW) Resolution 8bit mode (BU97930MUV, BU97931FV) 11) Low power consumption design 12) Support standby mode 13) Integrated Power-On-Reset circuit (POR). 14) No external component 15) Support Independent blink function Blink frequency 1.6, 2.0, 2.6, 4.0Hz selectable 16) Operating power supply : 1.8 ~ 3.6V 17) LCD drive power supply : 2.7 ~ 5.5V (BU97930MUV, BU97931FV) : 3.3 ~ 5.5V (BU9798KV/GUW) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 1/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV ●Features (BU97500KV) 1) LCD drive output: Common output : 4, Segment output : 51 2) Integrated Display data RAM (DDRAM) RAM: 51*4 =204 bit 3) 3-wire Serial interface (SD, SCL, CSB ) 4) Integrated Oscillator circuit 5) Integrated Power supply circuit for LCD driving: Support 1/2 and 1/3 Bias Support 1/3 and 1/4 Duty Integrated Buffer AMP 6) Support Split Supply for Logic (VDD) and LCD (VLCD) 7) Segment terminals operation, segment output mode/GPO output mode selectable 8) Low power consumption design 9) Support standby mode 10) Integrated Power-on Reset circuit 11) No external components 12) Operating power supply: VDD = 2.7 ~ 5.5V 13) LCD drive power supply: VLCD=4.5 ~ 5.5V ●Applications Telephone, FAX, Portable equipment (POS, ECR, PDA etc.), DSC, DVC, Car Audio, Home electrical appliance, Meter equipment, Healthcare equipment etc. ●Line up matrix Parameter BU97930MUV BU97931FV BU9798KV/GUW Segment output 27 28 49 Common output 1/3/4 1/3/4 1/3/4 108 112 196 Adjustable contrast function - - YES - Support split voltage supply YES YES YES YES Interface 3wireSPI 3wire SPI 3wire SPI 3wire SPI Package VQFN040V6060 SSOP-B40 VQFP64 / VBGA063W050 VQFP64 Total display dot number www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 2/23 BU97500KV 52 (1/3Duty) 51 (1/4Duty) 3 (1/3Duty) 4 (1/4Duty) 156 (1/3Duty) 204 (1/4Duty) 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV ●Absolute maximum ratings (VSS = 0V) Parameter BU97930MUV Power Supply Voltage1 (VDD) Power Supply Voltage 2 (VLCD) BU9798KV /GUW BU97931FV BU97500KV Unit -0.5 ~ +7.0 V Power supply V LCD drive Voltage -0.3 ~ +4.5 -0.5 ~ +7.0 *2 1.0 (KV) / 0.8*3 (GUW) 0.8*1 Allowable Loss (Pd) Input Voltage Range (VIN) Operational Temperature Range (Topr) Storage Temperature Range (Tstg) *2 W 1.0 -0.5 ~ VDD+0.5 -40 ~ +85 Remarks V -30 ~ +75 -40 ~ +85 ℃ -55 ~ +125 ℃ Output Current (Iout1) 5 - mA SEG output Output Current (Iout2) 5 - mA COM output Output Current (Iout3) 10 - mA GPO output Output Current (Iout4) 50 - mA LED output *1 *2 *3 When use more than Ta=25°C,, subtract 8.0mW per degree. (using ROHM standard board) (board size: 74.2mm×74.2mm×1.6mm material: FR4 board copper foil: land pattern only) When use more than Ta=25°C,, subtract 10mW per degree. (using ROHM standard board) (board size: 70mm×70mm×1.6mm material: FR4 board copper foil: land pattern only) When use more than Ta=25°C,, subtract 8.0mW per degree. (using ROHM standard board ) (board size: 114.3mm×76.2mm×1.6mm) ●Recommended operating conditions (BU9798KV/GUW : Ta=-30 ~ 75°C, VSS = 0V) (BU97930MUV, BU97931FV, BU97500KV : Ta=-40 ~ 85°C,VSS = 0V) BU97930MUV BU97931FV BU9798KV/GUW BU97500KV *4 Parameter Unit Remarks V Power supply MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX Power Supply Voltage 1 (VDD) Power Supply Voltage 2 (VLCD) LED Supply Voltage (VLED) Output Current (Iout4) Output Current (Iout4) *4 ○ 1.8 - 3.6 1.8 - 3.6 1.8 - 3.6 2.7 - 5.5 2.7 - 5.5 2.7 - 5.5 3.3 - 5.5 4.5 - 5.5 - - - - - - 1.0 - VLCD - - - - - 20 - - 20 - - 20 - - - - - - - - - - - 60 - - - Power supply for LCD Power supply V for LED Per LED mA port 1ch Total LED mA port current V The power supply condition shall be met VLCD VDD. This product is not designed against radioactive ray www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 3/23 2010.04 - Rev.A BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV ●Electrical Characteristics <BU97930MUV> DC characteristics (Ta=-40 ~ 85 °C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0) Limits Parameter Symbol Unit MIN TYP MAX Technical Note Conditions “H” level input voltage VIH 0.8VDD - VDD V SD, SCL, CSB, CLKIN, INHb “L” level input voltage VIL VSS - 0.2VDD V SD, SCL, CSB, CLKIN, INHb Hysteresis width VH - 0.2 - V SCL, INHb, VDD=3.3V, Ta=25°C “H” level input current IIH1 - - 5 µA “L” level input current IIL1 -5 - - µA - - V - - V - - V VOH1 “H” level output voltage (*2) VOH2 VOH3 VOL1 - - 0.4 V VOL2 - - 0.4 V VOL3 - - 0.5 V VOL4 - 0.34 0.5 V IstVDD - 3 10 µA IstVLCD - 0.5 5 µA IVDD1 - 8 15 µA IVDD2 - 30 45 µA IVLCD1 - 10 15 µA “L” level output voltage (*2) Current consumption (*1) VLCD -0.4 VLCD -0.4 VLCD -0.6 IVLCD2 - 30 48 µA SD, SCL, CSB, CLKIN, INHb, VI=3.6V SD, SCL, CSB, CLKIN, INHb, VI=0V Iload=-50µA, VLCD=5.0V SEG0 ~ SEG26 Iload=-50µA, VLCD=5.0V, COM0 ~ COM3 Iload=-1mA,VLCD=5.0V, SEG23 ~ SEG26(GPO mode) Iload= 50µA, VLCD=5.0V, SEG0 ~ SEG26 Iload= 50µA, VLCD=5.0V, COM0 ~ COM3 Iload=1mA, VLCD=5.0V, SEG23 ~ SEG26(GPO mode) Iload=20mA, VLCD=5.0V, LED Input terminal ALL’L’, Display off, Oscillation off Input terminal ALL’L’, Display off, Oscillation off ° VDD=3.3V, Ta=25 C, 1/3bias, fFR=64Hz, PWM generate off, All output pin open ° VDD=3.3V, Ta=25 C, 1/3bias, fFR=64Hz, PWM Frequency=500Hz setting, All output pin open ° VDD=5.0V, Ta=25 C, 1/3bias, fFR=64Hz, LED generate off, All output pin open VDD=5.0V, Ta=25°C, 1/3bias, fFR=64Hz, PWM Frequency=500Hz setting, All output pin open *1 Power save mode 1 and frame inversion setting *2 Iload: In case, load current from only one port www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 4/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Oscillation Frequency Characteristics (Ta=-40 ~ 85 °C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0) Limits Parameter Symbol Unit Conditions MIN MIN MIN Frame frequency 1 fFR1 57.6 64 70.4 Hz VDD=3.3V, Ta=25°C, fFR=64Hz setting Frame frequency 2 fFR2 51.2 64 73.0 Hz VDD=2.5 ~ 3.6V FR=64Hz setting Frame frequency 3 fFR3 45.0 - 64 Hz VDD=1.8 ~ 2.5V fFR=64Hz setting MPU interface Characteristics (Ta=-40 ~ 85 °C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0) Limits Unit Parameter Symbol Conditions MIN TYP MAX Input rise time tr - - 50 ns Input fall time tf - - 50 ns SCL cycle time tSCYC 250 - - ns “H” SCL pulse width tSHW 50 - - ns “L” SCL pulse width tSLW 50 - - ns SD setup time tSDS 50 - - ns SD hold time tSDH 50 - - ns CSB setup time tCSS 50 - - ns CSB hold time tCSH 50 - - ns “H” CSB pulse width tCHW 50 - - ns tCHW CSB tCSH tCSS tSCYC tf tr tSLW SCL tSHW tSDS tSDH SD Fig.1 Serial Interface Timing www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 5/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU97931FV> DC characteristics (Ta=-40 ~ 85 °C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0) Limits Parameter Symbol Unit MIN TYP MAX Conditions “H” level input voltage VIH 0.8VDD - VDD V SD, SCL, CSB, CLKIN “L” level input voltage VIL VSS - 0.2VDD V SD, SCL, CSB, CLKIN Hysteresis width VH - 0.2 - V SCL, VDD=3.3V, Ta=25°C “H” level input current IIH1 - - 5 µA “L” level input current IIL1 -5 - - µA - - V - - V - - V VOH1 “H” level output voltage(*2) VOH2 VOH3 VLCD -0.4 VLCD -0.4 VLCD -0.6 VOL1 - - 0.4 V VOL2 - - 0.4 V VOL3 - - 0.5 V VOL4 - 0.34 0.5 V IstVDD - 3 10 µA IstVLCD - 0.5 5 µA IVDD1 - 8 15 µA “L” level output voltage(*2) SD, SCL, CSB, CLKIN, VI=3.6V SD, SCL, CSB, CLKIN, VI=0V Iload=-50µA, VLCD=5.0V SEG0 ~ SEG27 Iload=-50µA, VLCD=5.0V, COM0 ~ COM3 Iload=-1mA,VLCD=5.0V, SEG23 ~ SEG27(GPO mode) Iload= 50µA, VLCD=5.0V, SEG0 ~ SEG27 Iload= 50µA, VLCD=5.0V, COM0 ~ COM3 Iload=1mA, VLCD=5.0V, SEG23 ~ SEG27(GPO mode) Iload=20mA, VLCD=5.0V, LED Input terminal ALL’L’, Display off, Oscillation off Input terminal ALL’L’, Display off, Oscillation off VDD=3.3V, Ta=25°C, 1/3bias, fFR=64Hz, PWM generate off, All output pin open ° Current consumption *1 *2 (*1) IVDD2 - 30 45 µA IVLCD1 - 10 15 µA IVLCD2 - 30 48 µA VDD=3.3V, Ta=25 C, 1/3bias, fFR=64Hz, PWM Frequency=500Hz setting, All output pin open VLCD=5.0V, Ta=25°C, 1/3bias, fFR=64Hz, LED generate off, All output pin open VLCD=5.0V, Ta=25°C, 1/3bias, fFR=64Hz, PWM Frequency=500Hz setting, All output pin open Power save mode 1 and frame inversion setting Iload: In case, load current from only one port www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 6/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Oscillation Frequency Characteristics (Ta=-40 ~ 85°C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0) Limits Parameter Symbol Unit Conditions MIN MIN MIN Frame frequency 1 fFR1 57.6 64 70.4 Hz VDD=3.3V, Ta=25°C, fFR=64Hz setting Frame frequency 2 fFR2 51.2 64 73.0 Hz VDD=2.5 ~ 3.6V fFR=64Hz setting Frame frequency 3 fFR3 45.0 - 64 Hz VDD=1.8 ~ 2.5V fFR=64Hz setting MPU interface Characteristics (Ta=-40 ~ 85°C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0) Limits Unit Parameter Symbol Conditions MIN TYP MAX Input rise time tr Input fall time - - 50 ns tf - - 50 ns SCL cycle time tSCYC 250 - - ns “H” SCL pulse width tSHW 50 - - ns “L” SCL pulse width tSLW 50 - - ns SD setup time tSDS 50 - - ns SD hold time tSDH 50 - - ns CSB setup time tCSS 50 - - ns CSB hold time tCSH 50 - - ns “H” CSB pulse width tCHW 50 - - ns tCHW CSB tCSH tCSS tSCYC tf tr tSLW SCL tSHW tSDS tSDH SD Fig.2 Serial Interface Timing www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 7/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU9798KV/GUW> DC characteristics (Ta=-30 ~ 75°C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0) Limits Parameter Symbol Unit MIN TYP MAX Conditions “H” level input voltage VIH 0.8VDD - VDD V SD, SCL, CSB, TEST1,CLKIN, INHb “L” level input voltage VIL VSS - 0.2VDD V SD, SCL, CSB, TEST1,CLKIN, INHb Hysteresis width VH - 0.2 - V SCL, INHb, VDD=3.3V, Ta=25°C “H” level input current IIH1 - - 5 µA “L” level input current IIL1 -5 - - µA VOH1 VLCD -0.4 - - V Iload=-50µA, VLCD=5.0V SEG0 ~ SEG48, Unused integrated regulator VOH2 VLCD -0.4 - - V Iload=-50µA, VLCD=5.0V, COM0 ~ COM3, Unused integrated regulator VOH3 VLCD -0.6 - - V Iload=-1mA,VLCD=5.0V, SEG15 ~ SEG45(GPO mode) Unused integrated regulator VOH4 VDD -0.6 - - V Iload=-1mA, VDD=3.0V, PWMOUT VOL1 - - 0.4 V Iload=50µA, VLCD=5.0V, SEG0 ~ SEG48 VOL2 - - 0.4 V Iload=50µA, VLCD=5.0V, COM0 ~ COM3 VOL3 - - 0.5 V VOL4 - 0.11 0.5 V IstVDD - 3 10 µA IstVLCD - 0.5 5 µA IVDD1 - 8 15 µA IVDD2 - 90 130 µA VDD=3.3V, Ta=25°C, 1/3bias, fFR=64Hz, PWM Frequency=500Hz setting, All output pin open “H” level output voltage(*1, *3) “L” level output voltage (*3) Current consumption (*2) Iload=1mA, VLCD=5.0V, SEG15 ~ SEG45(GPO mode), PWMOUT Iload=20mA, VLCD=5.0V, SEG46 ~ 48 (LED drive mode) Input terminal ALL’L’, Display off, Oscillation off Input terminal ALL’L’, Display off, Oscillation off VDD=3.3V, Ta=25°C, 1/3bias, fFR=64Hz, PWM generate off, All output pin open IVLCD1 - 10 15 µA VLCD=5.0V, Ta=25°C, 1/3bias, fFR=64Hz Unused Integrated regulator, LED generate off, All output pin open IVLCD2 - 25 40 µA VLCD=5.0V, Ta=25°C, 1/3bias, fFR=64Hz Used Integrated regulator, LED generate off, All output pin open µA VLCD=5.0V, Ta=25°C,1/3bias, fFR=64Hz, Used Integrated regulator, PWM Frequency=500Hz setting, All output pin open IVLCD3 *1 *2 *3 SD, SCL, CSB, CLKIN, INHb, VI=3.6V SD, SCL, CSB, CLKIN, INHb, TEST1 VI=0V - 30 48 Integrated regulator using case, please add load regulation value to output voltage listed above. Power save mode 1 and frame inversion setting Iload: In case, load current from only one port www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 8/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Integrated Regulator Characteristics (Ta=-30 ~ 75°C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0) (BU9798KV) Limits Parameter Symbol Unit Conditions MIN TYP MAX Output voltage 1 Vreg1 4.35 4.5 4.65 V 4.5V setting (VLCD=5.5V, Ta=-30 ~ 75°C) Output voltage 2 Vreg2 4.42 4.5 4.58 V 4.5V setting (VLCD=5.5V, Ta=25°C) delta Vreg - - 0.3 V Iout = -300µA Load regulation (**) (BU9798GUW) Parameter Symbol Conditions 4.70 V 4.5V setting (VLCD=5.5V, Ta=-30 ~ 75°C) 4.5 4.62 V 4.5V setting (VLCD=5.5V, Ta=25°C) - 0.3 V Iout = -300µA MAX Vreg1 4.25 4.5 Vreg2 4.38 delta Vreg - Output voltage 2 * (**) Unit TYP Output voltage 1 Load regulation (**) Limits MIN In case integrated regulator using, please satisfy condition that Vreg output lower than VLCD – 0.5V. Load regulation: Vreg block load regulation only. Do not include other block ability. Oscillation Frequency Characteristics (Ta=-30 ~ 75°C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0) Limits Parameter Symbol Unit Conditions MIN TYP MAX Frame frequency 1 fFR1 57.6 64 70.4 Hz VDD=3.3V, Ta=25°C, fFR=64Hz setting Frame frequency 2 fFR2 51.2 64 73.0 Hz VDD=2.5 ~ 3.6V fFR=64Hz setting Frame frequency 3 fFR3 45.0 - 64 Hz VDD=1.8 ~ 2.5V fFR=64Hz setting CLKIN Input frequency fCLK - 2 4 MHz MPU interface Characteristics (Ta=-30 ~ 75°C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0) Limits Parameter Symbol Unit Conditions MIN TYP MAX Input rise time tr - - 50 ns Input fall time tf - - 50 ns SCL cycle time tSCYC 250 - - ns “H” SCL pulse width tSHW 50 - - ns “L” SCL pulse width tSLW 50 - - ns SD setup time tSDS 50 - - ns SD hold time tSDH 50 - - ns CSB setup time tCSS 50 - - ns CSB hold time tCSH 50 - - ns “H” CSB pulse width tCHW 50 - - ns tCHW CSB tCSH tCSS tr tf SCL tSCYC tSLW tSHW tSDS tSDH SD Fig.3 Serial Interface Timing www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 9/23 2010.04 - Rev.A BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Technical Note <BU97500KV> DC Characteristics (Unless otherwise indicated, VDD=2.7 ~ 5.5V, VLCD=4.5 ~ 5.5V, VSS=0V, Ta=-40 ~ 85°C) Limits Parameters Symbol Unit Conditions MIN TYP MAX “H” Input Voltage VIH 0.7VDD - VDD V SD, SCL, CSB, RESB, OSC “L” Input Voltage VIL VSS - 0.3VDD V SD, SCL, CSB, RESB, OSC “H” Input Current IIH 5.0 µA “L” Input Current IIL VOH1 “H” Level Output Voltage VOH2 VOH3 “L” Level Output Voltage -5.0 µA VLCD -1.0 VLCD -1.0 VLCD -1.0 P1 ~ P4, Io=1mA V - - 1.0 VOL2 - - 1.0 VOL3 - - 1.0 VMID2 VMID3 LCD Bias Voltage VMID4 VMID5 VMID6 1/2VLCD -1.0 1/2VLCD -1.0 2/3VLCD -1.0 1/3VLCD -1.0 2/3VLCD -1.0 1/3VLCD -1.0 - 1/2VLCD +1.0 1/2VLCD +1.0 2/3VLCD +1.0 1/3VLCD +1.0 2/3VLCD +1.0 1/3VLCD +1.0 IstVDD - 1 5 IstVLCD - 1 5 ILCD1 - 2 10 Current consumption www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. S1 ~ S52, Io=20µA COM1 ~ COM4, Io=100µA VOL1 VMID1 SD,SCL,CSB,RESB, OSC VI=5.5V SD,SCL,CSB,RESB, OSC VI=0V P1 ~ P4, Io=1mA V S1 ~ S52, Io=20µA COM1 ~ COM4, Io=100µA V µA S1 ~ S52 1/2 Bias, Io=±100µA COM1 ~ COM4 1/2 Bias, Io=±100µA S1 ~ S52 1/3 Bias, Io=±20µA S1 ~ S52 1/3 Bias, Io=±20µA COM1 ~ COM4 1/3Bias, Io=±100µA COM1 ~ COM4 1/3 Bias, Io=±100µA Input Pin ALL ”L” Display off, Disable oscillator Input Pin ALL ”L” Display off, Disable oscillator VDD=VLCD=5.0V Output unloaded fFR=80Hz ILCD2 - 40 95 VDD=VLCD=5.0V Output unloaded 1/2 Bias, fFR=80Hz ILCD3 - 65 140 VDD=VLCD=5.0V Output unloaded 1/3 Bias, fFR=80Hz 10/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Oscillation Characteristics (Ta=-40 ~ 85°C, VDD=2.7 ~ 5.5V, VLCD=4.5 ~ 5.5V , VSS=0V) Limits Parameters Symbol Unit MIN TYP MAX Frame Frequency fCLK 56 80 104 Hz Conditions fFR = 80Hz setting, 1/4 Duty setting MPU interface Characteristics (Ta=-40 ~ 85°C, VDD=2.7V ~ 5.5V, VLCD=4.5 ~ 5.5V , VSS=0V) Limits Parameters Symbol Unit Conditions MIN. TYP. MAX. Input Rise Time tr - - 80 ns Input Fall Time tf - - 80 ns SCL Cycle Time tSCYC 400 - - ns “H” SCL Pulse Width tSHW 100 - - ns “L” SCL Pulse Width tSLW 100 - - ns SD Setup Time tSDS 20 - - ns SD Hold Time tSDH 20 - - ns CSB Setup Time tCSS 50 - - ns CSB Hold Time tCSH 50 - - ns “H” CSB Pulse Time tCHW 50 - - ns tCHW CSB tCSS tCSH tSCYC tf tr tSLW SCL tSHW tSDS tSDH SD Fig.4 Serial interface Timing www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 11/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV CLKIN VLCD COM0 COM1 COM2 7 8 9 10 14 SEG2 SEG24 36 15 SEG3 SEG23 35 16 SEG4 SEG22 34 17 SEG5 SEG21 33 18 SEG6 SEG20 32 19 SEG7 SEG19 31 20 SEG8 Fig.5 Block Diagram (BU97930MUV) ●Terminal description Terminal Terminal number I/O unused case 22 21 SEG9 SCL SEG10 SD SEG11 CSB SEG18 30 VSS EXT-PAD 23 IF FILTER INHb 37 24 OSC block VDD 6 SEG1 SEG25 SEG12 serial inter face VDD 13 25 Power On Reset 5 SEG0 38 SEG13 Command register Data Decoder clock divider SD LED SEG26 SEG14 PWM Generator 4 COM3 12 26 DDRAM GPO data latch INHb (Div.2) 11 39 27 blink timing generator VSS CLKIN 40 SEG15 common counter CR Oscillator (typ=40.96kHz) VSS GPO Controller LCD BIAS SELECTOR SCL LED driver 3 Segment driver/GPO 28 Segment driver SEG16 common driver SEG17 LCD voltage Generator CSB LED 2 SEG0 …...22、SEG23...26 VLCD 1 COM0……COM3 ●Pin arrangement 29 ●Block diagrams / Pin arrangement / Terminal description <BU97930MUV> ●Block diagrams Fig.6 Pin Arrangement (BU97930MUV) Function CSB 1 I VDD Chip select: "L" active SCL 2 I VSS Serial data transfer clock SD 3 I VSS Input serial data VDD 4 - - CLKIN 6 I OPEN / VSS VSS 40 - - GND VLCD 7 - - Power supply for LCD Power supply for LOGIC External clock input terminal (for display/PWM using selectable) Support Hi-Z input mode at internal clock mode Display turning on/off select terminal H: turning on display, L: turning off display INHb 5 I VDD COM0 ~ 3 8-11 O OPEN COMMON output for LCD SEG0 ~ 22 12-34 O OPEN SEGMENT output for LCD SEG23 ~ 26 35-38 O OPEN SEGMENT output for LCD/GPO LED 39 O OPEN LED driver output EXT-PAD - - VSS www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. INHb = “L”: All SEG/COM terminal : output VSS level GPO terminal : output VSS level LED drive terminal : output Hi-Z substrate 12/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU97931FV> ●Block diagrams ●Pin arrangement COM0……COM3 SEG0…..22, SEG23…27 LED VLCD GPO Controller LCD BIAS SELECTOR common counter bli nk timing generator DDRAM GPO data latch SEG25 SEG26 LED SEG27 VSS CSB SD SCL VDD CLKIN COM0 VLCD COM2 COM1 COM3 SEG0 SEG1 LED Driver SEG2 Segment driver/GPO SEG4 Segment driver SEG3 common driver LCD voltage Generator 40 21 1 20 PWM Generator SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 serial inter face SEG9 P ower On Reset SEG8 OSCILLATOR SEG7 CLKIN SEG5 Command register Data Decoder SEG6 VSS VDD IF FILTER VSS CSB SD SCL Fig.7 Block Diagram (BU97931FV) ●Terminal description Terminal Terminal number I/O unused case Fig.8 Pin Arrangement (BU97931FV) Function CSB 26 I VDD Chip select: "L" active SCL 27 I VSS Serial data transfer clock SD 28 I VSS Input serial data VDD 29 - - CLKIN 30 I OPEN / VSS VSS 25 - - GND VLCD 31 - - Power supply for LCD COM0 ~ 3 32-35 O OPEN COMMON output for LCD SEG0 ~ 22 36-40 1-18 O OPEN SEGMENT output for LCD SEG23 ~ 27 19-23 O OPEN SEGMENT output for LCD/GPO LED 24 O OPEN LED driver output www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. Power supply for LOGIC External clock input terminal (for display/PWM using selectable) Support Hi-Z input mode at internal clock mode 13/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU9798KV> ●Block diagrams LCD voltage Generator common driver Segment driver Segment Segment driver/GPO driver/LED Ref Voltage Circuit Vreg GPO/LED Controller LCD BIAS SELECTOR common counter blink timing generator DDRAM GPO data latch PWM Generator VSS INHb Command register Data Decoder CLKIN OSCILLATOR Power On Reset SEG20 SEG21 33 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 48 SEG33 COM0……COM3 SEG0 ……………………………… SEG48 VSS2 VLCD SEG34 SEG35 ●Pin arrangement 49 32 SEG36 SEG19 SEG37 SEG18 SEG38 SEG17 SEG39 SEG16 SEG40 SEG15 SEG41 SEG14 SEG42 SEG13 SEG43 SEG12 SEG44 SEG11 SEG45 SEG10 SEG46 SEG9 SEG47 SEG8 SEG48 SEG7 VSS2 SEG6 PWMOUT serial inter face CLKIN Output Controller VDD SEG5 64 17 SEG4 Fig.9 Block Diagram (BU9798KV) ●Terminal description Terminal Terminal number I/O unused case SEG3 SEG2 SEG1 SEG0 COM3 COM2 COM1 COM0 VLCD SD INHb PWMOUT VSS1 SCL TEST1 SD VDD CSB SCL TEST1 CSB 1 16 IF FILTER VSS Fig.10 Pin Arrangement (BU9798KV) Function CSB 1 I VDD Chip select: "L" active SCL 2 I VSS Serial data transfer clock SD 3 I VSS Input serial data VDD 4 - - CLKIN 64 I OPEN / VSS TEST1 5 I - TEST terminal (Please connect VSS terminal) VSS1 6 - - GND VLCD 8 - - Power supply for LCD Power supply for LOGIC External clock input terminal (for display/PWM using selectable) Support Hi-Z input mode at internal clock mode Display turning on/off select terminal H: turning on display, L: turning off display INHb 7 I VDD PWMOUT 63 O OPEN PWM output for LED2 group COM0 ~ 3 9-12 O OPEN COMMON output for LCD SEG0 ~ 14 13-27 O OPEN SEGMENT output for LCD SEG15 ~ 45 28-58 O OPEN SEGMENT output for LCD/GPO SEG46 ~ 48 59-61 O OPEN SEGMENT output for LCD/LED driver VSS2 62 - GND GND (for SEG46-48 / LED driver) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. INHb = “L”: All SEG/COM terminal : output VSS level GPO terminal : output VSS level LED drive terminal : output Hi-Z 14/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU9798GUW> ●Block diagrams ●Pin arrangement COM0……COM3 SEG0 ……………………………… SEG48 VSS2 1 2 3 4 5 6 7 8 H SEG 4 SEG 5 SEG 9 SEG 11 SEG 14 SEG 16 SEG 18 SEG 20 G SEG 2 SEG 3 SEG 7 SEG 8 SEG 12 SEG 17 SE G19 SEG 21 F SEG 0 SEG 1 SEG 6 SEG 10 SEG 13 SEG 22 SEG 23 SEG 25 E COM COM COM COM 2 0 1 3 SEG 15 SEG 26 SEG 24 SEG 27 D VLCD VDD INHB SEG 47 SEG 31 SEG 29 SEG 28 SEG 30 C VSS1 SDA SEG 45 SEG 42 SEG 38 SEG 33 SEG 32 VLCD LCD voltage Generator common driver Segment driver Segment Segment driver/GPO driver/LED Ref Voltage Circuit Vreg GPO/LED Controller LCD BIAS SELECTOR common counter blink timing generator DDRAM GPO data latch PWM Generator VSS INHb Command register Data Decoder CLKIN OSCILLATOR Power On Reset serial inter face Output Controller VDD IF FILTER VSS CSB SD SCL PWMOUT Fig.11 Block Diagram (BU9798GUW) SCL B (NC) SEG CLK VSS2 44 IN SEG 40 SEG 39 SEG 35 SEG 34 A CSB PWM SEG OUT 48 SEG 43 SEG 41 SEG 37 SEG 36 SEG 46 Fig.12 Pin Arrangement (BU9798GUW) ●Terminal description Terminal I/O Unused case CSB I VDD Chip select: "L" active SCL I VSS Serial data transfer clock SD I VSS Input serial data VDD - - CLKIN I OPEN / VSS VSS1 - - GND VLCD - - Power supply for LCD Function Power supply for LOGIC External clock input terminal (for display/PWM using selectable) Support Hi-Z input mode at internal clock mode Display turning on/off select terminal H: turning on display, L: turning off display INHb I VDD PWMOUT O OPEN PWM output for LED2 group COM0 ~ 3 O OPEN COMMON output for LCD SEG0 ~ 14 O OPEN SEGMENT output for LCD SEG15 ~ 45 O OPEN SEGMENT output for LCD/GPO SEG46 ~ 48 O OPEN SEGMENT output for LCD/LED driver VSS2 - GND www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. INHb = “L”: All SEG/COM terminal : output VSS level GPO terminal : output VSS level LED drive terminal : output Hi-Z GND (for SEG46-48 / LED driver) 15/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV VLCD LCD VOLTAGE GENERATOR S33 S34 33 S35 S36 S37 S38 S39 S40 COM1 COM2 COM3 COM4/S41 S42 S43 S44 48 S45 S1/P1 S2/P2 S4/P4 S5 S52 COM3 COM4/S41 ●Pin arrangement COM2 COM1 <BU97500KV> ●Block diagrams 49 SEGMENT DRIVER & LATCH 32 S46 S32 S47 S31 S48 S30 S49 S29 S50 S28 S51 S27 S52 S26 OSC S25 RESB S24 DO S23 CSB S22 SCL S21 SD S20 CSB VLCD S19 VDD VDD COMMON DRIVER + + - SHIFT REGISTER CLOCK GENERATOR OSC CONTROL REGISTER TEST 3SPI INTERFACE SD SCL S18 VSS P.O.R S17 64 17 Fig.13 Block Diagram (BU97500KV) ●Terminal description Terminal Terminal No. I/O Unused case S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 P4/S4 P3/S3 P2/S2 RESB P1/S1 16 1 RESET FILTER Fig.14 Pin Arrangement (BU97500KV) Function CSB 59 I VDD Chip select : “L”active SCL 60 I VSS Serial data transfer clock SD 61 I VSS Input Serial data VDD 63 - - OSC 56 I/O OPEN / VSS VSS 64 - - GND VLCD 62 - - Power Supply for the LCD driver COM1 ~ 3 41-43 O OPEN COMMON output for LCD driving COM4/S41 44 O OPEN COMMON / SEGMENT output for LCD driving Assigned as SEGMENT output if 1/3Duty mode. S1/P1 ~ S4/P4 1-4 O OPEN SEGMENT output for LCD driving / General Purpose output S5 ~ S40 S42 ~ S52 5-40 45-55 O OPEN SEGMENT output for LCD driving RESB 57 I VDD DO 58 O OPEN www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. Power Supply for the logic External clock input terminal Supported Hi-Z input if the internal clock mode. Reset Input: RESB=“L” : Display is disabled RESB=“H” : Display is controllable NOTE) 3-SPI is NOT available if RESET is “L”. Output for manufacturing test: 16/23 2010.04 - Rev.A BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Technical Note ●I/O equivalent circuit <BUI97930MUV> VLCD VDD VSS VSS VDD VDD CSB, SD, SCL,INHb CLKIN VSS VSS VLCD VLCD SEG0-22 COM0-3 SEG23-26 VSS VSS LED VSS Fig.15 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. I/O equivalent circuit 17/23 2010.04 - Rev.A BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Technical Note <BU97931FV> VLCD VDD VSS VSS VDD VDD CSB, SD, SCL CLKIN VSS VSS VLCD VLCD SEG0-22 COM0-3 SEG23-27 VSS VSS LED VSS Fig.16 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. I/O equivalent circuit 18/23 2010.04 - Rev.A BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Technical Note <BU9798KV> VLCD VDD VSS1 VSS1 VDD VDD CSB, SD, SCL, INHb TEST1 VSS VSS1 VDD VDD PWMOUT CLKIN VSS1 VSS1 VLCD VLCD SEG0-14 COM0-3 SEG15-45 VSS1 VSS1 VLCD SEG46-48 VSS2 VSS1 Fig.17 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. I/O equivalent circuit 19/23 2010.04 - Rev.A BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Technical Note <BU9798GUW> VLCD VDD VSS1 VSS1 VDD VDD PWMOUT CSB, SD, SCL, INHb VSS1 VSS1 VDD VLCD CLKIN SEG0-14 COM0-3 VSS1 VSS1 VLCD VLCD SEG15-45 SEG46-48 VSS2 VSS1 VSS1 Fig.18 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. I/O equivalent circuit 20/23 2010.04 - Rev.A BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Technical Note <BU97500KV> VDD VSS VDD CSB、SD、SCL VSS VDD OSC VSS VLCD VSS VLCD SEG / COM VSS Fig.19 I/O equivalent circuit www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 21/23 2010.04 - Rev.A Technical Note BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV ●Ordering part number B U 9 Part No. 7 9 3 0 M Part No. BU97930 BU97931 BU9798 BU97500 U V - Package MUV : VQFN040V6060 FV : SSOP-B40 KV : VQFP64 GUW : VBGA063W050 E 2 Packaging and forming specification E2: Embossed tape and reel VQFN040V6060 <Tape and Reel information> 6.0±0.1 6.0±0.1 3.7±0.1 The direction is the 1pin of product is at the upper left when you hold ( reel on the left hand and you pull out the tape on the right hand ) 11 3.7±0.1 0.4±0.1 E2 10 40 31 0.75 2000pcs (0.22) +0.03 0.02 -0.02 1.0MAX S 1 Embossed carrier tape Quantity Direction of feed 1PIN MARK 0.08 S C0.2 Tape 20 30 21 0.5 +0.05 0.25 -0.04 1pin Reel (Unit : mm) Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. SSOP-B40 <Tape and Reel information> 13.6 ± 0.2 (MAX 13.95 include BURR) 2000pcs Direction of feed 0.5 ± 0.2 1 E2 The direction is the 1pin of product is at the upper left when you hold ( reel on the left hand and you pull out the tape on the right hand ) 20 0.15 ± 0.1 0.1 1.8 ± 0.1 Embossed carrier tape Quantity 21 5.4 ± 0.2 7.8 ± 0.3 40 Tape 0.1 S 0.65 0.22 ± 0.1 0.08 M 1pin (Unit : mm) Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. Reel VQFP64 <Tape and Reel information> 12.0±0.2 10.0±0.1 48 33 1 1.0±0.2 0.5±0.15 1.25 17 64 1000pcs Direction of feed E2 direction is the 1pin of product is at the upper left when you hold ( The ) reel on the left hand and you pull out the tape on the right hand 16 1PIN MARK +0.05 0.145 -0.03 1.6MAX 1.25 Embossed carrier tape (with dry pack) Quantity 32 10.0±0.1 12.0±0.2 49 Tape 0.1±0.05 1.4±0.05 4 +6 -4 0.08 S +0.05 0.2 -0.04 0.08 M 1pin 0.5±0.1 (Unit : mm) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. Reel 22/23 Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. 2010.04 - Rev.A BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Technical Note VBGA063W050 <Tape and Reel information> 5.0 ± 0.1 5.0±0.1 0.08 S 63- φ 0.295±0.05 φ 0.05 M S AB P=0.5×7 0.5 0.1 0.9MAX 1PIN MARK Tape Embossed carrier tape (with dry pack) Quantity 2500pcs Direction of feed S E2 The direction is the 1pin of product is at the upper left when you hold ( reel on the left hand and you pull out the tape on the right hand ) 0.75±0.1 0.5 B 12345678 0.75± 0.1 H G F E D C B A P=0.5× 7 A www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 1pin (Unit : mm) Reel 23/23 Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. 2010.04 - Rev.A Notice Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. 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Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuelcontroller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact us. ROHM Customer Support System http://www.rohm.com/contact/ www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. R1010A