eKM8050 Preliminary USB & PS/2 Optical Mouse Controller 1. General Description The eKM8050 is a Mouse Controller designed to control both USB & PS/2 Optical Mouse device. This Mouse Controller can auto detect USB or PS/2 mode, and supports X,Y,Z three axes , and L, R, M three buttons under both USB and PS2 mode. 2. Features Universal Serial Bus Specification, version 1.1 USB HID Specification, version 1.1 Auto-detecting PS/2 port or USB port. Compatible with Microsoft 3D PS/2 mouse. Support 3D (X,Y,Z) 3 Key (L,R,M) input. Support Z/2 mechanical, Z/2 Photo, and Z/4 Photo(eKM8050B) Z-axis input type. Support Agilent HDNS-2051 & 2610 & 2620 Optical Mouse Sensor. Applications 3D, 3 Buttons USB and PS/2 Combo Mouse. 3. Pin assignment CPIS 1 18 Z1 L KEY 2 17 Z2 R KEY 3 16 IR_C M KEY 4 15 PD SCLK 5 14 SDIO VSS 6 13 D+/CLK VSS 7 12 D-/Data V3.3 8 11 VDD OSCI 9 10 OSCO eKM8050A (18-Pin) 1 2003/7/1 eKM8050 Preliminary USB & PS/2 Optical Mouse Controller CPIS 1 18 Z1 L KEY 2 17 Z2 R KEY 3 16 IR_C M KEY 4 15 PD SCLK 5 14 SDIO Z_SEL 6 13 D+/CLK VSS 7 12 D-/Data V3.3 8 11 VDD OSCI 9 10 OSCO eKM8050B (18-Pin) 2 Symbol I/O PIN Function OSCI I 9 6MHz ceramic resonator input. OSCO I/O 10 Return path for 6-MHz ceramic resonator. V3.3V O 8 3.3V DC voltage output from internal regulator. This pin has to be tied to a 4.7μF capacitor. Z1 I 18 Z axis Input 1 Z2 I 17 Z axis Input 2 IR_C I/O 16 IR Control Pin PD I 15 2051 Power Down Pin CPIS I 1 400/800 CPI Selection Pin ; 1 : 800 CPI ; 0 : 400 CPI R I 3 Right Key Input M I 4 Middle Key Input L I 2 Left Key Input SCLK I/O 5 Serial Clock to Agilent sensor IC SCLK SDIO I/O 14 Serial Data from Agilent sensor IC SDIO D+ / CLK I/O 13 USB D+ or PS/2 CLK I/O D- / DATA I/O 12 USB D- or PS/2 Data I/O VDD - 11 5 V Power Input VSS - 6,7 GND Z_SEL I 6 Z/2 : Ground；Z/4: Floating This function only support by eKM8050B 2003/7/1 eKM8050 Preliminary USB & PS/2 Optical Mouse Controller 4. Function description CPIS SCLK X-COUNTER SENSOR Interface SDIO USB PROTOCOL CONTROLLER DATA PROCESS Y-COUNTER PD PS/2 PROTOCOL CONTROLLER Z1 Z2 Z IR_C IR_C BTM REGISTER Z-COUNTER MULTIPLEXER DATA I/O D+/CLK D-/DATA LMR MODE SELECTOR DETECT CIRCUIT L MR Fig-1 : Function block PS/2 function description PS/2 Mouse Commands Description Hex Code 3 Command eKM8050 echo code FF Reset FA,AA,00 FE Resend XX,(XX,XX) F6 Set Default FA F5 Disable FA F4 Enable FA F3,XX Set Sampling Rate FA,FA F2 Read Device Type FA,00 F0 Set Remote Mode FA EE Set Wrap Mode FA EC Reset Wrap Mode FA EB Read Data FA,XX,XX,XX EA Set Stream Mode FA E9 Status Request FA,XX,XX,XX E8 Set Resolution FA,FA E7 Set Autospeed FA E6 Reset Autospeed FA 2003/7/1 eKM8050 Preliminary USB & PS/2 Optical Mouse Controller Microsoft PS/2 scrolling mouse (A) Entering procedure: Except in WRAP mode, while eKM8050 received the following consecutive command. i. F3 C8 ---- set sampling rate 200/sec ii. F3 64 ---- set sampling rate 100/sec iii. F3 50 ---- set sampling rate 80/sec (B) Operating: a. All of the commands in legacy mode still be valid. b. The ID code of read device type command (F2) will changed from "00" to be "03". c. Data report will be four bytes format: Byte 1 2 3 4 Bit 0 1 2 3 4 5 6 7 0-7 0-7 0-7 Description Left button status; 1 = pressed Right buton status; 1 = pressed Middle button status; 1 = pressed Reserve X data sign; 1 = negative Y data sign; 1 = negative X data overflow; 1 = overflow Y data overflow; 1 = overflow X data (D0-D7) Y data (D0-D7) Z data (D0-D7) (C) Exiting Microsoft scrolling mode: There are two ways to exit: a. Power off. b. Reset command (FF). Z-axis Input Function : The Z0-Z7 limit value is ±7 Z-axis counter accumulates the Z1, Z2 phase changed by movement. This mode includes noise immunity. Z/2 : 2 dot per count. The wheel should stay at Z1=0, Z2=0 or Z1=1, Z2=1 Phase Z/4 : 4 dots per count. the wheel should stay at Z1=0, Z2=0 phase. 4 2003/7/1 eKM8050 Preliminary USB & PS/2 Optical Mouse Controller USB function Description Each Descriptor in USB Mode. Descriptor Type Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7 Byte8 Device Descriptor Configuration Descriptor 12 01 10 01 00 00 00 08 67 12 02 02 01 00 00 02 00 01 09 02 22 00 01 01 00 A0 04 00 00 01 03 01 02 21 10 01 00 01 22 48 07 05 81 03 04 00 0A 05 01 09 02 A1 01 05 09 19 01 29 03 15 00 25 01 95 03 75 01 81 02 95 01 75 05 81 03 05 01 09 01 A1 00 09 30 09 31 15 81 25 7F 75 08 95 02 81 06 C0 09 38 95 01 81 06 09 3C 15 00 25 01 75 01 95 01 B1 22 95 07 B1 01 C0 32 09 Interface Descriptor 00 09 HID Descriptor 00 Endpoint HID Report Descriptor USB Mouse Report Data Type Byte0 Byte1 Byte2 Byte3 5 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 0 0 0 0 0 M R L Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Bit2 Bit1 Bit0 Bit2 Bit1 Bit0 X-AXIS Bit7 Bit6 Bit5 Bit4 Bit3 Y-AXIS Bit7 Bit6 Bit5 Bit4 Bit3 2003/7/1 eKM8050 Preliminary USB & PS/2 Optical Mouse Controller Z-AXIS 5. Absolute Maximum Rating Symbol Temperature under bias Storage temperature Input voltage Output voltage min 0 -65 -0.5 -0.5 Max 70 150 6.0 6.0 unit ºC ºC V V 6. Electrical Characteristic (T = 25ºC, VDD=4.4~5.2V, VSS=0V) Symbol Parameter Condition Min Type Max Unit 3.0 3.3 3.6 V - 2.3 V 3.3V Regulator VRag Output voltage of 3.3v Regulator VDD = 4.2V ~ 5.2V VResetL Low Power Reset detecting low Voltage VResetH Low Power Reset detecting high Voltage 2.4 - V - - 1 μA MCU operating Input Leakage Current for input pins VIN=VDD,VSS VIHX Clock Input High Voltage OSCI 2.5 - - V VILX Clock Input Low Voltage OSCI - - 1.0 V 1.1 - V IIL GPIO Pins VHL High/Low level transfer point Input VOH Output High Voltage IDrive = 5.0mA 2.4 - - V VOL Output Low Voltage ISink = 5.0mA - - 0.4 V IPH Input current with pull-high resister - 25 - μA IPL Input current with pull-low resister - 330 - μA 2.8 - 3.6 V - - 0.3 V The input pin with internal pull-high resistor of Port6 or port7 is connected to VSS. The input pin with internal pull-low resistor of Port6 is connected to VDD. USB Interface 6 VOH Static Output High VOL Static Output Low VDI Differential Input Sensitivity 0.2 - - V VCM Differential Input Command Mode Range 0.8 - 2.5 V VSE Single Ended Receiver Threshold 0.8 - 2.0 V CIN Transceiver Capacitance - - 20 pF 3.0 - 3.6 V -20% 1.5 +20 % kΩ VRG Output Voltage of Internal Regulator RPH Internal Pull-high Resistor (USB Spec 5%) USB operation Mode USB operation Mode 2003/7/1 eKM8050 Preliminary USB & PS/2 Optical Mouse Controller 7. Application circuit eKM8050 for ADNS-2051 V3.3 100K 10 VDD 11 13 D+/CLK 12 D-/DATA 7 VSS 6 PORT VDD CPIS 1 1 2 VDD D+/CLK D-/DATA L VSS R Z_SEL M 2 4.7uF 3 0.1uF ADNS-2051 4 4.7uF 13 + 8 V3.3 VDD SCLK SDIO 10uF 1 + 2 18 0.1uF 1 2 17 PD 5 1 14 16 15 15 Z1 OSCO 2 Z2 IR_Control 3 OSCI 9 4 20P eKM8050_B OSC_OUT 5 18M SDIO OSC_IN PD XA REFA HLMP-ED80 9 6 7 + XB 2.2uF YB REFB YA GND 14 11 SCLK XY_LED 10 6M 16 VDD 20P Z-AXIS + R_BIN GND 0.1uF 8 10 12 R1 V3.3 VDD 100K 10 VDD 11 13 D+/CLK 12 D-/DATA 7 VSS 6 PORT 3K PNP VDD CPIS 1 1 IR_Control 2 300 D+/CLK D-/DATA L VSS R Z_SEL M 2 4.7uF 3 0.1uF 13 + V3.3 VDD SDIO 10uF + SCLK 1 2 18 0.1uF 1 2 17 PD 5 1 14 16 15 15 Z1 OSCO 10 Z2 3 IR_Control eKM8050_B OSCI 9 4 20P OSC_OUT 5 18M SDIO OSC_IN PD XA REFA YB 6 7 + 2.2uF REFB YA R_BIN HLMP-ED80 9 XB GND 14 11 SCLK XY_LED 2 6M 16 VDD 20P Z-AXIS + ADNS-2051_5 4 4.7uF 8 ZENER 3V GND 0.1uF 8 10 12 R1 Guarantee Suspend Current under 500 uA 7 2003/7/1 eKM8050 Preliminary USB & PS/2 Optical Mouse Controller eKM8050 for ADNS-2610 VDD 10uF V3.3 + 0.1uF VDD 10 VDD 11 VDD CPIS 13 D+/CLK D+/CLK 12 D-/DATA 1 D-/DATA L 4.7uF 2 + 0.1uF 7 VSS VSS 6 PORT Z_SEL R M 3 100K 7 4.7uF + SCLK 8 V3.3 SDIO R0 4 5 4 14 3 VDD OSC_IN 1 24M SCLK SDIO HLMP-ED80 OSC_OUT 2 15 1 2 1 2 1K PD 18 Z1 20P OSCO 17 8 10 Q1 PNP 5 6 2.2uF 6M IR_Control REFA GND Z2 Z-AXIS 16 LED_CNTL OSCI ADNS-2610 9 20P eKM8050_B VDD VDD 10uF V3.3 + 0.1uF 3K PNP IR_Control 300 10 VDD 11 13 D+/CLK 12 D-/DATA VDD CPIS ZENER 3V 1 D+/CLK D-/DATA L 4.7uF 2 + 0.1uF 7 VSS 6 PORT VSS Z_SEL R M 3 100K 7 4.7uF + 8 SCLK V3.3 SDIO R0 4 5 4 14 3 VDD OSC_IN 1 24M SCLK SDIO HLMP-ED80 OSC_OUT 2 15 1 1 2 2 18 17 1K PD Z1 20P OSCO 10 REFA 5 Q1 PNP 6 2.2uF 6M IR_Control LED_CNTL GND Z2 Z-AXIS 16 8 OSCI ADNS-2610 9 eKM8050_B 20P Guarantee Suspend Current under 500 uA 8 2003/7/1 eKM8050 Preliminary USB & PS/2 Optical Mouse Controller eKM8050 for ADNS-2620 VDD 10uF V3.3 + 0.1uF VDD 10 VDD 11 VDD CPIS 13 D+/CLK D+/CLK 12 D-/DATA 1 D-/DATA L 4.7uF 2 + 0.1uF 7 VSS VSS 6 PORT Z_SEL R M 3 100K 7 4.7uF + SCLK 8 V3.3 SDIO 5 4 14 3 2 1 OSC_IN 24M SDIO HLMP-ED80 OSC_OUT 20P OSCO 8 10 REFA Q1 PNP 5 6 2.2uF 6M IR_Control LED_CNTL GND Z2 Z-AXIS 16 2 1K Z1 17 1 SCLK PD 18 2 VDD V3.3 15 1 R0 4 OSCI ADNS-2620 9 20P eKM8050_B VDD VDD 10uF V3.3 + 0.1uF 3K PNP IR_Control 300 10 VDD 11 13 D+/CLK 12 D-/DATA VDD CPIS ZENER 3V 1 D+/CLK D-/DATA L VSS R 4.7uF 2 + 0.1uF 7 VSS 6 PORT Z_SEL M 3 100K 7 4.7uF + 8 SCLK V3.3 SDIO 5 4 14 3 15 1 1 2 2 18 17 OSC_IN SDIO 24M HLMP-ED80 OSC_OUT 2 1K 8 10 LED_CNTL REFA GND Z2 5 Q1 PNP 6 2.2uF 6M IR_Control 1 SCLK V3.3 20P Z-AXIS 16 VDD PD Z1 OSCO R0 4 OSCI ADNS-2620 9 eKM8050_B 20P Guarantee Suspend Current under 500 uA 9 2003/7/1