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| -rw-r--r-- | ps2_usb/README | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/ps2_usb/README b/ps2_usb/README index ad5c6c4311..a0ff286c77 100644 --- a/ps2_usb/README +++ b/ps2_usb/README @@ -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. |