HT82M28A 3/5-Key USB Vista Tilt Optical Mouse Controller Features · Operating voltage: 4.4V~5.25V · USB transceiver · Compatible with Microsoft Windows 2000 and · Single chip solution especially for USB mouse func- 5-button Wheel Mouse tion · Supports 5/7 buttons and Z-axis input · HALT function and wake-up feature reduce power consumption · Z-axis can support only encoder Z/2 scroller input · Plug and Play functions · Complete Universal Serial Bus specs V2.0 compati- · Minimal external components bility · Vista tilt mouse protocol supported · 6MHz crystal oscillator for system clock · 3 key or 5 key mode can be selected by circuit · Interface compliant with A2610, A2620, A5020, and P3101 · DPI can be selected high or low by circuit · Tilt or Non-tilt protocol can be selected by circuit · Pass USB-IF and EMC testing · Serial Bus Interface Engine (SIE) · 20-pin DIP/SOP package General Description and make up this versatile Holtek 8-bit MCU with an on-chip USB interface logic. The USB is specified by the Universal Serial Bus Specification V2.0. HT82M28A is a Plug and Play 3D USB Mouse controller. The HT82M28A can support the USB Standard Request as well as HID Class Request version 1.1. The Z-axis can support only Z/2 encoder scroller input. It requires minimal external components to implement 3D and Windows Vista 7 key USB mouse. All its features combined The USB product ID of 5 key mode is 2083H, and the USB product ID of 3 key mode is 2082H. Block Diagram U S B T r a n s c e iv e r U S B D + R e g is te r S e t U S B R e c e iv e r U S B D U S B T r a n s m itte r V 3 3 O O S C 1 O S C 2 Rev. 1.00 V o lta g e R e g u la to r U S B In te rfa c (S a C o L o S e r ia l e E n g in e IE ) n d n tro l g ic C lo c k G e n e ra to r M a in S ta te m a c h in e R C R E S E T S u s p e n s io n C o n tro l 1 H o lte k 8 - b it M ic r o c o n tr o lle r F IF O s ´ 2 V D D V S S July 20, 2007 HT82M28A Pin Assignment V S S 1 2 0 O S C 1 V 3 3 O 2 1 9 O S C 2 U S B D + 3 1 8 V D D U S B D - 4 1 7 L E D R E S E T 5 1 6 M L _ T IL T 6 1 5 R R _ T IL T 7 1 4 L S C L K 8 1 3 Z 2 S D IO 9 1 2 Z 1 1 0 1 1 R B 1 R B 0 H T 8 2 M 2 8 A 2 0 D IP -A /S O P -A Pin Description Pin Name I/O Description VSS ¾ Negative power supply, ground V33O O 3.3V voltage output USBD+ I/O USB data plus, F/W auto-detect USBD+ for USB. USBD- I/O USB data minus, F/W auto-detect USB- for USB. RESET I SDIO Chip reset input, low active I/O Serial data for optical sensor IC SDIO O Serial data for optical sensor IC SCLK I DPI selection, N/C or GND(connect to a 5.1kW pull-down resistor) For A2610, A2620: N/C-800dpi; GND-400dpi For A5020: N/C-1000dpi; GND-500dpi For P3101: N/C-800dpi; GND-1600dpi RB0, RB1, L, R, M, L_TILT, R_TILT I Click button detection. Input ports with 30kW pull-high resistor. Input ports with pull-high resistor. These pads can function as Left, Right, Middle, RB0, RB1, L_TILT and R_TILT button input lines. Z1, Z2 I Z-axis input supports only Z/2 encoder scroller input. SCLK LED I/O Drives LED output VDD ¾ 5V positive power supply OSC2 O 6MHz OSC output OSC1 I 6MHz OSC input Absolute Maximum Ratings Supply Voltage ..............................VSS-0.3V to VSS+6V Storage Temperature ............................-50°C to 125°C MCU Input Voltage.....................VSS-0.3V to VDD+0.3V Operating Temperature...........................-25°C to 70°C USB Input Voltage ....................VSS-0.3V to V33O+0.3V Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. Rev. 1.00 2 July 20, 2007 HT82M28A D.C. Characteristics Symbol Ta=25°C Test Conditions Parameter VDD Conditions ¾ ¾ Min. Typ. Max. Unit 4.4 ¾ 5.25 V ¾ 10 ¾ mA ¾ ¾ 250 mA VDD Operating Voltage IDD Operating Current (Crystal OSC) 5V No load, fSYS=6MHz ISUS USB Suspend Mode 5V No load, system HALT VIL1 Input Low Voltage (Z1, Z2, L, M, R, L_TILT, R_TILT) 5V ¾ 0 ¾ 1.0 V VIH1 Input High Voltage (Z1, Z2, L, M, R, L_TILT, R_TILT) 5V ¾ 3.5 ¾ 5 V VIL2 Input Low Voltage (RESET) 5V ¾ 0 ¾ 1.5 V VIH2 Input High Voltage (RESET) 5V ¾ 3.5 ¾ 5 V VPOR Built-in Power on Reset VDD Detection Voltage 5V ¾ ¾ 3.7 ¾ V IOL Sink Current (LED) 5V ¾ 50 ¾ mA USB mode VOL=0.8V A.C. Characteristics Symbol fSYS Ta=25°C Test Conditions Parameter System Clock (Crystal OSC) VDD Conditions 5V ¾ Min. Typ. Max. Unit 0 6000 ¾ kHz Note: tSYS=1/fSYS Timing Diagram Z-axis Photo-Coupler Crossed Width Z 1 Z 2 tr N o te : F o r Z - a x is tP tf tr, tP , tf > 1 m s Z-axis Counting Z 1 Z 2 + 1 Rev. 1.00 + 1 -1 3 -1 July 20, 2007 HT82M28A Functional Description · USB mouse data format for 3D mod · USB mouse data format for Windows 2000 with Vista Bit No. 7 6 5 4 3 2 1 0 1st word 0 0 0 0 0 M R L 2nd word X7 X6 X5 X4 X3 X2 X1 X0 3rd word Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4th word Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 tilt mode Bit No. · USB mouse data format for 3D with Vista tilt mode Bit No. 7 6 5 4 3 2 1 0 1st word 0 0 0 0 0 M R L 2nd word X7 X6 X5 X4 X3 X2 X1 X0 3rd word Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4th word Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 5th word H7 H6 H5 H4 H3 H2 H1 H0 7 6 5 4 3 2 1 0 1st word 0 0 0 RB1 RB0 M R L 2nd word X7 X6 X5 X4 X3 X2 X1 X0 3rd word Y7 Y6 Y5 Y4 4th word Z7 Z6 Z5 Z4 Y3 Y2 Y1 Y0 Z3 Z2 Z1 Z0 6 5 4 3 2 1 RB1 RB0 M 0 1st word 0 0 0 R L 2nd word X7 X6 X5 X4 X3 X2 X1 X0 3rd word Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4th word Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 5th word H7 H6 H5 H4 H3 H2 H1 H0 Note: X- movement towards the right is positive, moving towards the left is negative Y- upward movement is negative, moving down is positive Z- rolling towards the user is negative, otherwise positive H-scrolling towards left is negative, otherwise positive · USB mouse data format for Windows 2000 mode Bit No. 7 Button status: 1=pressed, 0=released Application Circuits 3Key non-tilt with A2610/A2620 1 V D D V 2 U S B V S S 4 5 U S B C O N 1 0 m F 1 M W 3 3 W 1 2 1 .5 k W 3 4 3 3 W 5 6 1 0 k W 0 .1 m F V S S O S C 1 V 3 3 O O S C 2 U S B D + U S B D - V D D R E S E T M L _ T IL T 7 D P I_ L O W _ H IG H 2 S W 1 0 .0 1 m F 2 2 W 4 7 0 p F 0 .1 m F 1 0 0 k W 1 D D 2 N 3 9 0 6 S C L K 8 9 1 0 1 8 5 .1 k W V D D 3 L S C L K Z 2 S D IO R B 0 Z 1 R B 1 S D IO 4 S C L K 0 .1 m F S C L K 1 4 1 3 Z 2 1 2 Z 1 6 1 1 1 0 0 k W 7 2 S D IO 1 5 R G N D 1 k W 5 X Y _ L E D R E F A 2 N 3 9 0 6 2 4 M H z 1 O S C _ IN O S C _ O U T L E D 2 8 2 .2 m F A 2 6 1 0 /A 2 6 2 0 6 M H z H T 8 2 M 2 8 A 3 3 p F 1 1 9 1 0 0 W 1 6 R _ T IL T S D IO 2 0 1 7 L E D 0 .1 m F 3 1 k W S h ie ld V D D 3 U S B + 3 3 p F L B N C N C R B D P I_ L O W _ H IG H : N /C - 8 0 0 d p i G N D - 4 0 0 d p i Rev. 1.00 M B 4 July 20, 2007 HT82M28A 3Key tilt with A2610/A2620 1 V D D V 2 U S B - 1 0 m F 1 M W 5 2 2 W 4 7 0 p F 0 .1 m F 3 3 W 1 2 1 .5 k W 3 4 1 0 0 k W 3 3 W 0 .1 m F 1 0 k W 5 6 V S S O S C 1 V 3 3 O O S C 2 U S B D + V D D U S B D - L E D R E S E T M D P I_ L O W _ H IG H S C L K S D IO 9 1 0 1 1 9 V D D 3 S D IO 1 6 1 5 S C L K 1 4 L S C L K Z 2 S D IO R B 0 Z 1 R B 1 1 3 Z 2 1 2 Z 1 6 R E F A G N D 1 1 2 N 3 9 0 6 2 4 M H z 1 O S C _ IN O S C _ O U T L E D 1 k W 5 X Y _ L E D S D IO 4 S C L K 0 .1 m F 1 0 0 k W 7 2 1 8 2 8 2 .2 m F A 2 6 1 0 /A 2 6 2 0 6 M H z H T 8 2 M 2 8 A 3 3 p F 1 0 0 W 1 7 R _ T IL T 8 0 .1 m F 3 2 0 R L _ T IL T 7 2 S W 1 0 .0 1 m F 1 k W U S B C O N 1 D D 2 N 3 9 0 6 4 V S S S h ie ld V D D 3 U S B + 3 3 p F 5 .1 k W N C L B N C R B D P I_ L O W _ H IG H : N /C - 8 0 0 d p i G N D - 4 0 0 d p i M B L _ T IL T R _ T IL T 5Key non-tilt with A2610/A2620 1 V D D V 2 U S B V S S 4 5 U S B C O N 1 0 m F 1 M W 3 3 W 3 3 W 0 .1 m F 1 0 k W 1 2 1 .5 k W 3 4 5 6 V S S O S C 1 V 3 3 O O S C 2 U S B D + V D D U S B D - L E D R E S E T M L _ T IL T 7 D P I_ L O W _ H IG H 2 8 S D IO 9 1 0 3 3 p F S D IO Z 1 R B 0 R B 1 1 8 V D D 3 S D IO S D IO 4 S C L K 0 .1 m F S C L K 1 4 1 3 Z 2 1 2 Z 1 6 1 1 1 0 0 k W 7 2 G N D 1 k W 5 X Y _ L E D R E F A 2 N 3 9 0 6 2 4 M H z 1 O S C _ IN O S C _ O U T L E D 2 8 2 .2 m F A 2 6 1 0 /A 2 6 2 0 6 M H z L B R B N C N C M B D P I_ L O W _ H IG H : N /C - 8 0 0 d p i G N D - 4 0 0 d p i Rev. 1.00 3 3 p F 1 1 9 1 5 L Z 2 H T 8 2 M 2 8 A 2 0 1 0 0 W 1 6 R S C L K 0 .1 m F 3 1 7 R _ T IL T S C L K 5 .1 k W S W 1 0 .0 1 m F 2 2 W 4 7 0 p F 0 .1 m F 1 0 0 k W 1 D D 2 N 3 9 0 6 1 k W S h ie ld V D D 3 U S B + B 4 B 5 5 July 20, 2007 HT82M28A 5Key tilt with A2610/A2620 1 V D D V 2 U S B - 1 0 m F 1 M W 5 2 2 W 4 7 0 p F 0 .1 m F 3 3 W 1 0 0 k W 3 3 W 0 .1 m F 1 0 k W 1 2 1 .5 k W 3 4 5 6 V S S O S C 1 V 3 3 O O S C 2 U S B D + V D D U S B D - L E D R E S E T M L _ T IL T 7 D P I_ L O W _ H IG H 2 S W 1 0 .0 1 m F S C L K 8 9 1 0 Z 2 S D IO Z 1 R B 0 R B 1 3 3 p F 3 3 p F 3 4 S C L K 1 3 Z 2 1 2 Z 1 6 1 1 1 2 O S C _ O U T 8 R E F A G N D 2 N 3 9 0 6 2 4 M H z O S C _ IN S C L K L E D 1 k W 5 X Y _ L E D S D IO 1 4 2 .2 m F A 2 6 1 0 /A 2 6 2 0 6 M H z L B N C R B 5 .1 k W V D D S D IO 0 .1 m F 1 0 0 k W 7 2 1 8 1 5 L H T 8 2 M 2 8 A 1 1 9 1 6 R S C L K 2 0 1 0 0 W 1 7 R _ T IL T S D IO 0 .1 m F 3 1 k W U S B C O N 1 D D 2 N 3 9 0 6 4 V S S S h ie ld V D D 3 U S B + N C M B B 4 D P I_ L O W _ H IG H : N /C - 8 0 0 d p i G N D - 4 0 0 d p i L _ T IL T B 5 R _ T IL T 3Key non-tilt with A5020 1 V D D V 2 U S B V S S 4 5 U S B C O N 1 0 m F 1 M W 1 0 0 k W 1 2 1 .5 k W 3 4 3 3 W 5 6 1 0 k W 0 .1 m F V S S O S C 1 V 3 3 O O S C 2 U S B D + U S B D - V D D R E S E T M L _ T IL T 7 D P I_ L O W _ H IG H 2 S W 1 0 .0 1 m F 2 2 W 4 7 0 p F 0 .1 m F 3 3 W 1 D D 2 N 3 9 0 6 S C L K 8 9 1 0 1 8 3 3 p F 1 S D IO S D IO 2 1 5 R L S C L K Z 2 S D IO R B 0 Z 1 R B 1 0 .1 m F 3 1 4 1 3 Z 2 1 2 Z 1 8 0 2 1 6 4 X Y _ L E D R E G 0 N R E S E T G N D N C S 8 S C L K S C L K V D D 5 7 0 .1 m F 3 .3 m F 5 6 0 .1 m F 4 .7 m F 1 1 A D N S 5 0 2 0 6 M H z H T 8 2 M 2 8 A 5 .1 k W 1 1 9 1 7 L E D R _ T IL T S D IO 2 0 H L M P _ E D 0 .1 m F 3 1 k W S h ie ld V D D 3 U S B + 3 3 p F L B N C N C R B D P I_ L O W _ H IG H : N /C - 1 0 0 0 d p i G N D - 5 0 0 d p i Rev. 1.00 M B 6 July 20, 2007 HT82M28A 3Key tilt with A5020 1 V D D V 2 U S B - 1 0 m F 1 M W 5 C O N 2 2 W 4 7 0 p F 0 .1 m F 3 3 W 1 0 0 k W 1 2 1 .5 k W 3 4 3 3 W 5 6 1 0 k W 0 .1 m F D P I_ L O W _ H IG H 2 V S S O S C 1 V 3 3 O O S C 2 U S B D + U S B D - V D D R E S E T M S C L K 8 9 1 0 1 1 8 1 2 1 5 R S C L K Z 2 Z 1 3 1 4 L S D IO R B 0 0 .1 m F R B 1 1 3 Z 2 1 2 Z 1 4 X Y _ L E D R E G 0 N R E S E T G N D S C L K 7 3 .3 m F 6 5 V D D 5 N C S 1 1 8 S C L K S D IO S D IO 0 .1 m F 0 .1 m F 4 .7 m F A D N S 5 0 2 0 6 M H z H T 8 2 M 2 8 A 3 3 p F 2 1 9 1 6 R _ T IL T S D IO 2 0 H L M P _ E D 8 0 0 .1 m F 3 1 7 L E D L _ T IL T 7 1 S W 1 0 .0 1 m F 1 k W U S B D D 2 N 3 9 0 6 4 V S S S h ie ld V D D 3 U S B + 3 3 p F 5 .1 k W N C L B N C R B D P I_ L O W _ H IG H : N /C - 1 0 0 0 d p i G N D - 5 0 0 d p i M B L _ T IL T R _ T IL T 5Key non-tilt with A5020 1 V D D V 2 U S B V S S U S B 4 5 C O N 1 0 m F 1 M W 1 0 0 k W 3 3 W 0 .1 m F 1 0 k W 1 2 1 .5 k W 3 4 5 6 V S S O S C 1 V 3 3 O O S C 2 U S B D + V D D U S B D - L E D R E S E T M D P I_ L O W _ H IG H S C L K 8 9 1 0 S C L K Z 2 S D IO Z 1 R B 1 H T 8 2 M 2 8 A 3 3 p F 5 .1 k W 2 1 S D IO 2 S D IO 0 .1 m F 3 1 4 1 3 Z 2 1 2 Z 1 4 1 1 X Y _ L E D R E G 0 N R E S E T G N D N C S 8 S C L K S C L K V D D 5 7 3 .3 m F 5 6 0 .1 m F 0 .1 m F 4 .7 m F A D N S 5 0 2 0 6 M H z L B R B N C N C M B D P I_ L O W _ H IG H : N /C - 1 0 0 0 d p i G N D - 5 0 0 d p i Rev. 1.00 3 3 p F 1 8 1 5 L R B 0 1 1 9 1 6 R _ T IL T S D IO 2 0 H L M P _ E D 8 0 0 .1 m F 3 1 7 R L _ T IL T 7 2 S W 1 0 .0 1 m F 2 2 W 4 7 0 p F 0 .1 m F 3 3 W 1 D D 2 N 3 9 0 6 1 k W S h ie ld V D D 3 U S B + B 4 B 5 7 July 20, 2007 HT82M28A 5Key tilt with A5020 1 V D D V 2 U S B - 1 0 m F 1 M W 5 2 2 W 4 7 0 p F 0 .1 m F 3 3 W 1 0 0 k W 3 3 W 0 .1 m F 1 0 k W 1 2 1 .5 k W 3 4 5 6 V S S O S C 1 V 3 3 O O S C 2 U S B D + V D D U S B D - L E D R E S E T M D P I_ L O W _ H IG H S C L K 8 9 1 0 S C L K Z 2 S D IO Z 1 R B 1 H T 8 2 M 2 8 A 3 3 p F 3 3 p F 0 .1 m F 3 1 4 Z 2 1 2 Z 1 4 X Y _ L E D R E G 0 N R E S E T G N D V D D 5 N C S 1 1 8 S C L K S C L K S D IO 2 7 3 .3 m F 5 6 0 .1 m F 0 .1 m F 4 .7 m F A D N S 5 0 2 0 6 M H z L B N C R B 5 .1 k W 1 S D IO 1 3 8 0 2 1 8 1 5 L R B 0 1 1 9 1 6 R _ T IL T S D IO 2 0 H L M P _ E D 0 .1 m F 3 1 7 R L _ T IL T 7 2 S W 1 0 .0 1 m F 1 k W C O N 1 D D 2 N 3 9 0 6 4 V S S S h ie ld U S B V D D 3 U S B + N C M B B 4 D P I_ L O W _ H IG H : N /C - 1 0 0 0 d p i G N D - 5 0 0 d p i B 5 L _ T IL T R _ T IL T 3Key non-tilt with P3101 1 V D D V 2 U S B - 5 C O N 1 0 m F 1 M W 2 2 W 4 7 0 p F 0 .1 m F 3 3 W 1 0 0 k W 1 2 1 .5 k W 3 4 3 3 W 5 D P I_ L O W _ H IG H 1 6 1 0 k W 0 .1 m F V S S O S C 1 V 3 3 O O S C 2 U S B D + U S B D - V D D R E S E T M L _ T IL T 7 2 S W 1 0 .0 1 m F S C L K 8 9 1 0 L E D 5 .1 k W 2 1 8 .4 3 2 M H z 1 1 8 L S C L K Z 2 Z 1 R B 1 0 .1 m F 1 3 Z 2 1 2 Z 1 3 S D IO 1 4 S C L K 4 1 0 0 W 8 R E F A O S C _ IN 2 1 5 R O S C _ O U T V D D S D IO G N D S C L K L E D _ C T R L 1 0 0 k W 7 0 .1 m F 5 6 L E D 1 0 m F 1 k W 2 N 3 9 0 6 1 1 P A N 3 1 0 1 6 M H z H T 8 2 M 2 8 A 3 3 p F 1 1 9 1 m F 1 6 S D IO R B 0 2 0 1 7 R _ T IL T S D IO 0 .1 m F 3 1 k W U S B D D 2 N 3 9 0 6 4 V S S S h ie ld V D D 3 U S B + 3 3 p F L B N C N C R B D P I_ L O W _ H IG H : N /C - 8 0 0 d p i G N D - 1 6 0 0 d p i Rev. 1.00 M B 8 July 20, 2007 HT82M28A 3Key tilt with P3101 1 V D D V 2 U S B - 1 0 m F 1 M W 5 2 2 W 4 7 0 p F 0 .1 m F 3 3 W 1 0 0 k W 1 2 1 .5 k W 3 4 3 3 W 5 6 1 0 k W 0 .1 m F V S S O S C 1 V 3 3 O O S C 2 U S B D + U S B D - V D D R E S E T M D P I_ L O W _ H IG H S C L K 8 9 1 0 1 1 9 1 8 .4 3 2 M H z 1 O S C _ IN 2 1 6 1 5 S C L K Z 2 S D IO Z 1 0 .1 m F 1 3 Z 2 1 2 Z 1 3 S D IO 1 4 L 4 S C L K R B 1 1 0 0 W 8 R E F A O S C _ O U T V D D S D IO G N D S C L K L E D _ C T R L 1 1 1 0 0 k W L E D 7 0 .1 m F 6 1 0 m F 1 k W 5 2 N 3 9 0 6 P A N 3 1 0 1 6 M H z H T 8 2 M 2 8 A 3 3 p F 2 1 8 R R B 0 1 m F 1 7 R _ T IL T S D IO 0 .1 m F 3 2 0 L E D L _ T IL T 7 2 S W 1 0 .0 1 m F 1 k W U S B C O N 1 D D 2 N 3 9 0 6 4 V S S S h ie ld V D D 3 U S B + 3 3 p F 5 .1 k W N C L B N C R B D P I_ L O W _ H IG H : N /C - 8 0 0 d p i G N D - 1 6 0 0 d p i M B L _ T IL T R _ T IL T 5Key non-tilt with P3101 1 V D D V 2 U S B - 5 1 0 m F 1 M W 2 2 W 4 7 0 p F 0 .1 m F 3 3 W 1 0 0 k W 1 2 1 .5 k W 3 4 3 3 W 5 6 1 0 k W 0 .1 m F V S S O S C 1 V 3 3 O O S C 2 U S B D + V D D U S B D - L E D R E S E T M D P I_ L O W _ H IG H S C L K 8 9 1 0 S C L K Z 2 S D IO Z 1 R B 1 H T 8 2 M 2 8 A 3 3 p F 5 .1 k W 3 3 p F 1 1 9 1 m F 2 1 8 .4 3 2 M H z 1 1 8 0 .1 m F 1 3 Z 2 1 2 Z 1 3 S D IO 1 4 S C L K 1 1 4 1 0 0 W 8 R E F A O S C _ IN 2 1 5 L R B 0 2 0 1 6 R _ T IL T S D IO 0 .1 m F 3 1 7 R L _ T IL T 7 2 S W 1 0 .0 1 m F 1 k W U S B C O N 1 D D 2 N 3 9 0 6 4 V S S S h ie ld V D D 3 U S B + O S C _ O U T V D D S D IO G N D S C L K L E D _ C T R L 1 0 0 k W 7 0 .1 m F 5 6 L E D 1 0 m F 1 k W 2 N 3 9 0 6 P A N 3 1 0 1 6 M H z L B R B N C N C M B D P I_ L O W _ H IG H : N /C - 8 0 0 d p i G N D - 1 6 0 0 d p i Rev. 1.00 B 4 B 5 9 July 20, 2007 HT82M28A 5Key tilt with P3101 1 V D D V 2 U S B - 5 C O N 1 0 m F 1 M W 2 2 W 4 7 0 p F 0 .1 m F 3 3 W 1 0 0 k W 1 2 1 .5 k W 3 4 3 3 W 5 D P I_ L O W _ H IG H 1 6 1 0 k W 0 .1 m F V S S O S C 1 V 3 3 O O S C 2 U S B D + V D D U S B D - L E D R E S E T M S C L K 8 9 1 0 S C L K Z 2 S D IO Z 1 R B 1 H T 8 2 M 2 8 A 3 3 p F 3 3 p F D P I_ L O W _ H IG H : N /C - 8 0 0 d p i G N D - 1 6 0 0 d p i Rev. 1.00 1 m F 2 1 8 .4 3 2 M H z 1 1 8 O S C _ IN 2 0 .1 m F 1 3 Z 2 1 2 Z 1 3 S D IO 1 4 S C L K 1 1 4 1 0 0 W 8 R E F A O S C _ O U T V D D S D IO G N D S C L K L E D _ C T R L 1 0 0 k W 7 0 .1 m F 5 6 L E D 1 0 m F 1 k W 2 N 3 9 0 6 P A N 3 1 0 1 6 M H z L B R B 5 .1 k W 1 1 9 1 5 L R B 0 2 0 1 6 R _ T IL T S D IO 0 .1 m F 3 1 7 R L _ T IL T 7 2 S W 1 0 .0 1 m F 1 k W U S B D D 2 N 3 9 0 6 4 V S S S h ie ld V D D 3 U S B + N C N C M B B 4 L _ T IL T B 5 R _ T IL T 10 July 20, 2007 HT82M28A Package Information 20-pin DIP (300mil) Outline Dimensions A B 2 0 1 1 1 1 0 H C D E Symbol Rev. 1.00 F a G I Dimensions in mil Min. Nom. Max. A 1020 ¾ 1045 B 240 ¾ 260 C 125 ¾ 135 D 125 ¾ 145 E 16 ¾ 20 70 F 50 ¾ G ¾ 100 ¾ H 295 ¾ 315 I 335 ¾ 375 a 0° ¾ 15° 11 July 20, 2007 HT82M28A 20-pin SOP (300mil) Outline Dimensions 1 1 2 0 A B 1 1 0 C C ' G H D E Symbol Rev. 1.00 a F Dimensions in mil Min. Nom. Max. A 394 ¾ 419 B 290 ¾ 300 C 14 ¾ 20 C¢ 490 ¾ 510 D 92 ¾ 104 E ¾ 50 ¾ F 4 ¾ ¾ G 32 ¾ 38 H 4 ¾ 12 a 0° ¾ 10° 12 July 20, 2007 HT82M28A Product Tape and Reel Specifications Reel Dimensions D T 2 A C B T 1 SOP 20W Symbol Description A Reel Outer Diameter B Reel Inner Diameter Dimensions in mm 330±1.0 62±1.5 13.0+0.5 -0.2 C Spindle Hole Diameter D Key Slit Width 2.0±0.5 T1 Space Between Flange 24.8+0.3 -0.2 T2 Reel Thickness 30.2±0.2 Rev. 1.00 13 July 20, 2007 HT82M28A Carrier Tape Dimensions P 0 D P 1 t E F W C D 1 B 0 P K 0 A 0 SOP 20W Symbol Description Dimensions in mm W Carrier Tape Width 24.0+0.3 -0.1 P Cavity Pitch 12.0±0.1 E Perforation Position 1.75±0.1 F Cavity to Perforation (Width Direction) 11.5±0.1 D Perforation Diameter 1.5+0.1 D1 Cavity Hole Diameter 1.5+0.25 P0 Perforation Pitch 4.0±0.1 P1 Cavity to Perforation (Length Direction) 2.0±0.1 A0 Cavity Length 10.8±0.1 B0 Cavity Width 13.3±0.1 K0 Cavity Depth 3.2±0.1 t Carrier Tape Thickness 0.3±0.05 C Cover Tape Width Rev. 1.00 21.3 14 July 20, 2007 HT82M28A Holtek Semiconductor Inc. (Headquarters) No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan Tel: 886-3-563-1999 Fax: 886-3-563-1189 http://www.holtek.com.tw Holtek Semiconductor Inc. (Taipei Sales Office) 4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan Tel: 886-2-2655-7070 Fax: 886-2-2655-7373 Fax: 886-2-2655-7383 (International sales hotline) Holtek Semiconductor Inc. (Shanghai Sales Office) 7th Floor, Building 2, No.889, Yi Shan Rd., Shanghai, China 200233 Tel: 86-21-6485-5560 Fax: 86-21-6485-0313 http://www.holtek.com.cn Holtek Semiconductor Inc. (Shenzhen Sales Office) 5/F, Unit A, Productivity Building, Cross of Science M 3rd Road and Gaoxin M 2nd Road, Science Park, Nanshan District, Shenzhen, China 518057 Tel: 86-755-8616-9908, 86-755-8616-9308 Fax: 86-755-8616-9722 Holtek Semiconductor Inc. (Beijing Sales Office) Suite 1721, Jinyu Tower, A129 West Xuan Wu Men Street, Xicheng District, Beijing, China 100031 Tel: 86-10-6641-0030, 86-10-6641-7751, 86-10-6641-7752 Fax: 86-10-6641-0125 Holtek Semiconductor Inc. (Chengdu Sales Office) 709, Building 3, Champagne Plaza, No.97 Dongda Street, Chengdu, Sichuan, China 610016 Tel: 86-28-6653-6590 Fax: 86-28-6653-6591 Holtek Semiconductor (USA), Inc. (North America Sales Office) 46729 Fremont Blvd., Fremont, CA 94538 Tel: 1-510-252-9880 Fax: 1-510-252-9885 http://www.holtek.com Copyright Ó 2007 by HOLTEK SEMICONDUCTOR INC. The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek assumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may present a risk to human life due to malfunction or otherwise. Holtek¢s products are not authorized for use as critical components in life support devices or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw. Rev. 1.00 15 July 20, 2007