1 V-USB controller for HHKB
2 =========================
3 Not supported actively any more.
6 Use `Makefile.vusb` for [V-USB] controller.
8 $ make -f Makefile.vusb
12 +---+ +---------------+
13 USB GND | | ATmega328p |
15 5V <-------+--------+---|Vcc,AVCC | HHKB pro pro2
17 D- <----+--+-----R2-----|INT1 PB2-4|------->ROW (6-8) (5-7)
18 D+ <----|---+----R3-----|INT0 PC0-2|------->COL (9-11) (8-10)
19 Z1 Z2 | PC3|------->ENABLE (12) (11)
20 GND<----+---+-----------|GND PB0|<-------KEY (4) (3)
21 | PB1|------->PREV (5) (4)
23 GND+-C2--+--|XTAL1 RXD|------->Debug Console
24 X1 | TXD|<-------Debug Console
25 GND+-C3--+--|XTAL2 RST|---SW--+GND
33 SW: Push Switch(for bootloader)
35 - NOTE: See [V-USB] documentation for more detail of hardware and the USB stack.
36 - NOTE: [USBaspLoader] is very useful for firmware update.
39 [V-USB]: http://www.obdev.at/products/vusb/index.html
40 [USBaspLoader]: http://www.obdev.at/products/vusb/usbasploader.html