tmk
13 years ago
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ps2_usb/README
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| @@ -74,6 +74,30 @@ Build for V-USB | |||
| 4. program your V-USB controller. | |||
| V-USB Circuit | |||
| ------------- | |||
| +---+ +---------------+ | |||
| USB GND | | ATmega168 | | |||
| === C3 | | | |||
| 5V <-------+--------+---|Vcc,AVCC | PS/2 | |||
| R1 | | ==== | |||
| D- <----+--+-----R2-----|INT0 RXD|------->DATA | |||
| D+ <----|---+----R3-----|INT1 XCK|------->CLOCK | |||
| Z1 Z2 | | ->5V | |||
| GND<----+---+--+--+-----|GND | ->GND | |||
| | | | | | |||
| | C2-+--|XTAL1 | | |||
| | X1 | | | |||
| +--C3-+--|XTAL2 | | |||
| +---------------+ | |||
| R1: 1.5K Ohm | |||
| R2,R3: 68 Ohm | |||
| Z1,Z2: Zenner 3.6V | |||
| C1,C2: 22pF | |||
| C3: 0.1uF | |||
| X1: Crystal 20MHz(16MHz/12MHz) | |||
| Keymap | |||
| ------ | |||
| You can change a keymap by editing code of keymap.c like following. | |||
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