pana_m8: Add initial files
[tmk_keyboard.git] / keyboard / pana_m8 / README
CommitLineData
353afe87 1Panasonic VP-0187A
2==================
3It is unknown keyboard from Panasonic
4
56P6C connector
6
7Hirose Cheery M8 switches
8https://deskthority.net/wiki/Cherry_M8
9
10
11
12Scan
13----
14The keyboard is comprised of some of 4000 series IC without microcontroller.
15
16
17 RST>-----------+---------------+
18 | |
19 TC4520 | TC4520 |
20 --------- carry ---------
21 CLK>--->|row |------>|col |
22 |counter|Q3 |counter|
23 --------- ---------
24 Q012 Q012
25 ||| |||
26 ||| ABC TC4028
27 ||| ---------
28 ||| |decoder|
29 ||| ---------
30 ||| |||||| col[0..7]
31 ABC vvvvvvv pull down
32 ---------- <----|+++++++|--100K--+
33 |data | <----|+++++++|--100K--+
34 STATE<--|selector| <----|+++++++|--100K--+
35 | 7 to 1 | <----|+++++++|--100K--+
36 ---------- <----|+++++++|--100K--+
37 row[0..7] |
38 8x8 matrix -
39 GND
40
41
42
43Matrix
44------
45 0 1 2 3 4 5 6 7
46 --------------------------------------------------------------------
47 0 ESC 1 2 3 4 5 6 7
48 1 8 9 0 - ^ BS INS DEL
49 2 TAB Q W E R T Y U
50 3 I O P @ [ ] F2 F1
51 4 CTRL A S D F G H J
52 5 K L ; : RETURN UP F3 F4
53 6 SHIFT Z X C V B N M
54 7 SPACE , . / LEFT RIGHT DOWN HOME
55
56
57
586P6C connector pinout
59---------------------
601. VCC
612. Clock - sends clock to binary counter TC4520
623. Key State - indicates hi if key selected by counter is active
634. Sense - indicates hi if any key is active while Reset is hi.
645. Reset - resets counter and drives all column
656. GND
66
67 123456
68 ,--------.
69 | |
70 | |
71 `--____--'
72 plug
73
Imprint / Impressum