drashna/qmk_firmware
1
0
Fork 0
Code Activity Actions

Added ISO/JIS keyboard support.

Browse source
This commit is contained in:
tmk 2011-12-05 02:53:15 +09:00
parent 6284b147c2
commit 3f9de37310
5 changed files with 258 additions and 198 deletions
Download patch file Download diff file Expand all files Collapse all files

37
ps2_usb/README.vusb Normal file
View file

@ -0,0 +1,37 @@
V-USB Support
=============
You can also use this converter on ATmega(168/328) with V-USB instead of Teensy.
The converter on V-USB lacks some features for now: USB NKRO and System/Media control.
To build a firmware use Makefile.vusb instead of Makefile.
Circuit
-------
+---+ +---------------+
USB GND | | ATmega168 |
=== C3 | |
5V <-------+--------+---|Vcc,AVCC | PS/2
R1 | | ====
D- <----+--+-----R2-----|INT1 RXD|------->DATA
D+ <----|---+----R3-----|INT0 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)
This is my V-USB converter on breadboard.
[IMG]http://i.imgur.com/8jJCZl.jpg[/IMG]
EOF