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Diffstat (limited to 'keyboard/hhkb/doc/V-USB.md')
| -rw-r--r-- | keyboard/hhkb/doc/V-USB.md | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/keyboard/hhkb/doc/V-USB.md b/keyboard/hhkb/doc/V-USB.md new file mode 100644 index 0000000000..7ae86f452f --- /dev/null +++ b/keyboard/hhkb/doc/V-USB.md @@ -0,0 +1,39 @@ +V-USB controller for HHKB +========================= +Not supported actively any more. + +## Build +Use `Makefile.vusb` for [V-USB] controller. + $ make -f Makefile.vusb + +##Hardware +###3. V-USB connection + +---+ +---------------+ + USB GND | | ATmega328p | + ~~~ C3 | | + 5V <-------+--------+---|Vcc,AVCC | HHKB pro pro2 + R1 | | ~~~~~~~~ ~~~~ + D- <----+--+-----R2-----|INT1 PB2-4|------->ROW (6-8) (5-7) + D+ <----|---+----R3-----|INT0 PC0-2|------->COL (9-11) (8-10) + Z1 Z2 | PC3|------->ENABLE (12) (11) + GND<----+---+-----------|GND PB0|<-------KEY (4) (3) + | PB1|------->PREV (5) (4) + | | + GND+-C2--+--|XTAL1 RXD|------->Debug Console + X1 | TXD|<-------Debug Console + GND+-C3--+--|XTAL2 RST|---SW--+GND + +---------------+ + R1: 1.5K Ohm + R2,R3: 68 Ohm + Z1,Z2: Zener 3.6V + C1,C2: 22pF + C3: 0.1uF + X1: Crystal 12MHz + SW: Push Switch(for bootloader) + +- NOTE: See [V-USB] documentation for more detail of hardware and the USB stack. +- NOTE: [USBaspLoader] is very useful for firmware update. + + +[V-USB]: http://www.obdev.at/products/vusb/index.html +[USBaspLoader]: http://www.obdev.at/products/vusb/usbasploader.html |