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HT82M22 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc |
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HT82M22 Datasheet(HTML) 2 Page - Holtek Semiconductor Inc |
2 / 6 page Pin Assignment Pin Description Pin No. Pin Name I/O Description 1 VSS ¾ Negative power supply, ground 2 V33O O 3.3V voltage output 3 USBD+/CLK I/O USB data plus or PS2 Clock, F/W auto-detect USBD+ for USB, CLK for PS2 4 USBD -/DATA I/O USB data minus or PS2 Data, F/W auto-detect USB - for USB, DATA for PS2 5 RESET I Chip reset input, low active 6, 9 SEL1 SEL0 I Configuration selections For ANDS 2051: SEL0=0: 800DPI (default) SEL0=1: 400DPI SEL1=0: Z-axis is divided by 2 (default) SEL1=1: Z-axis is divided by 4 For ANDS 2610/2620: SEL1=0, SEL0=don ¢t care: Z-axis is divided by 2 (default) SEL1=1, SEL0=0: Z-axis is divided by 4 7 SDIO I/O Serial data for Agilent sensor IC SDIO 8 SCLK(PA5) I Serial data for Agilent sensor IC SCLK 10, 11 14, 15, 16 RB0, RB1 L, R, M I Click button detection. Input ports with 30k W pull-high resistor. Input ports with pull-high resistor. These pads can function as Left, Right, Middle, B4 and B5 button input lines. 12, 13 Z1, Z2 I Z-axis input supports two kinds of scroller input; optomechanical and mechanical. 17 LED I/O Drives LED output 18 VDD ¾ 5V positive power supply 19 OSC2 O 6MHz OSC output 20 OSC1 I 6MHz OSC input Absolute Maximum Ratings Supply Voltage ..............................VSS -0.3V to VSS+6V Storage Temperature ............................ -50°Cto125°C MCU Input Voltage.....................VSS -0.3V to VDD+0.3V Operating Temperature........................... -25°Cto70°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 reliabil- ity. HT82M22A Rev. 1.10 2 August 4, 2004 V S S V 3 3 O U S B D + / C L K U S B D - / D A T A R E S E T S E L 1 S D I O S C L K S E L 0 R B 0 O S C 1 O S C 2 V D D L E D M R L Z 2 Z 1 R B 1 H T 8 2 M 2 2 A 2 0 D I P - A 2 0 1 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 2 3 4 5 6 7 8 9 1 0 |
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