1 files changed, 19 insertions, 17 deletions
diff --git a/keyboard/hhkb/doc/HHKB.txt b/keyboard/hhkb/doc/HHKB.txt
index f99a07443..422c452c9 100644
--- a/keyboard/hhkb/doc/HHKB.txt
+++ b/keyboard/hhkb/doc/HHKB.txt
@@ -30,25 +30,27 @@ Connector Cable
 Two PCBs are connected by 15 lines(13 in case of Pro2).
 Vcc and GND use 3(2) lines each, other 9 lines are for keyboard signaling.
-    Keyswitch PCB connector                                 Teensy++ pins
+    Keyswitch connector
-    -------------------------------------------------------------------------------
+    pro  pro2           Description                               Teensy++ pins
-     1  Vcc(5V)   Not exist on Pro2                         5V
+    --------------------------------------------------------------------------------------------
-     2  Vcc(5V)                                             5V
+     1       Vcc(5V)    Not exist on Pro2                         5V
-     3  Vcc(5V)                                             5V
+     2   1   Vcc(5V)                                              5V
-     4  TP1684    KEY: Low(0) when key pressed              PE6 input(with pullup)
+     3   2   Vcc(5V)                                              5V
-     5  TP1684    KEY_PREV: assert previous key state???    PE7 output
+     4   3   TP1684     KEY: Low(0) when key pressed              PE6 input(with pullup)
-     6  HC4051    A(bit0) select 8 rows(0 to 7)             PB0 output
+     5   4   TP1684     KEY_PREV: make threshold                  PE7 output
-     7  HC4051    B(bit1)                                   PB1 output
+     6   5   HC4051     A(bit0)\                                  PB0 output
-     8  HC4051    C(bit2)                                   PB2 output
+     7   6   HC4051     B(bit1) > select row(0 to 7)              PB1 output
-     9  LS145     A(bit0) select 8 columns(0 to 7)          PB3 output
+     8   7   HC4051     C(bit2)/                                  PB2 output
-    10  LS145     B(bit1)                                   PB4 output
+     9   8   LS145      A(bit0)\                                  PB3 output
-    11  LS145     C(bit2)                                   PB5 output
+    10   9   LS145      B(bit1) > select column(0 to 7)           PB4 output
-    12  LS145     D(enable) Low(0) enable selected column   PB6 output
+    11  10   LS145      C(bit2)/                                  PB5 output
-    13  GND                                                 GND
+    12  11   LS145      D(enable) Low(0) enables selected column  PB6 output
-    14  GND                                                 GND
+    13  12   GND                                                  GND
-    15  GND       Not exist on Pro2                         GND
+    14  13   GND                                                  GND
+    15       GND        Not exist on Pro2                         GND
    NOTE: guessing pin5(KEY_PREV) may work for hysteresis of capacitive sensing.
+    NOTE: 1KOhm didn't work as pullup resistor on KEY. AVR internal pullup or 10KOhm resistor was OK.
    (HHKB_connector.jpg)

diff --git a/keyboard/hhkb/doc/HHKB.txt b/keyboard/hhkb/doc/HHKB.txt index f99a07443..422c452c9 100644 --- a/keyboard/hhkb/doc/HHKB.txt +++ b/keyboard/hhkb/doc/HHKB.txt
@@ -30,25 +30,27 @@ Connector Cable
30	Two PCBs are connected by 15 lines(13 in case of Pro2).	30	Two PCBs are connected by 15 lines(13 in case of Pro2).
31	Vcc and GND use 3(2) lines each, other 9 lines are for keyboard signaling.	31	Vcc and GND use 3(2) lines each, other 9 lines are for keyboard signaling.
32		32
33	Keyswitch PCB connector Teensy++ pins	33	Keyswitch connector
34	-------------------------------------------------------------------------------	34	pro pro2 Description Teensy++ pins
35	1 Vcc(5V) Not exist on Pro2 5V	35	--------------------------------------------------------------------------------------------
36	2 Vcc(5V) 5V	36	1 Vcc(5V) Not exist on Pro2 5V
37	3 Vcc(5V) 5V	37	2 1 Vcc(5V) 5V
38	4 TP1684 KEY: Low(0) when key pressed PE6 input(with pullup)	38	3 2 Vcc(5V) 5V
39	5 TP1684 KEY_PREV: assert previous key state??? PE7 output	39	4 3 TP1684 KEY: Low(0) when key pressed PE6 input(with pullup)
40	6 HC4051 A(bit0) select 8 rows(0 to 7) PB0 output	40	5 4 TP1684 KEY_PREV: make threshold PE7 output
41	7 HC4051 B(bit1) PB1 output	41	6 5 HC4051 A(bit0)\ PB0 output
42	8 HC4051 C(bit2) PB2 output	42	7 6 HC4051 B(bit1) > select row(0 to 7) PB1 output
43	9 LS145 A(bit0) select 8 columns(0 to 7) PB3 output	43	8 7 HC4051 C(bit2)/ PB2 output
44	10 LS145 B(bit1) PB4 output	44	9 8 LS145 A(bit0)\ PB3 output
45	11 LS145 C(bit2) PB5 output	45	10 9 LS145 B(bit1) > select column(0 to 7) PB4 output
46	12 LS145 D(enable) Low(0) enable selected column PB6 output	46	11 10 LS145 C(bit2)/ PB5 output
47	13 GND GND	47	12 11 LS145 D(enable) Low(0) enables selected column PB6 output
48	14 GND GND	48	13 12 GND GND
49	15 GND Not exist on Pro2 GND	49	14 13 GND GND
		50	15 GND Not exist on Pro2 GND
50		51
51	NOTE: guessing pin5(KEY_PREV) may work for hysteresis of capacitive sensing.	52	NOTE: guessing pin5(KEY_PREV) may work for hysteresis of capacitive sensing.
		53	NOTE: 1KOhm didn't work as pullup resistor on KEY. AVR internal pullup or 10KOhm resistor was OK.
52		54
53	(HHKB_connector.jpg)	55	(HHKB_connector.jpg)
54		56