hhkb: Revise doc
[tmk_keyboard.git] / keyboard / hhkb / doc / HHKB.txt
index 3d08ceb0af45d908df9b75772ecbf2bdbaad14e9..493a56effb4ffa75504cd1cdbff3c9e271ffcb80 100644 (file)
@@ -104,14 +104,14 @@ Matrix diagram:
              |bias control?            - - - - - - - -     ---
              |                  3.9K*8 R R R R R R R R      |
     +--------^+      +--------+        - - - - - - - -      |  
              |bias control?            - - - - - - - -     ---
              |                  3.9K*8 R R R R R R R R      |
     +--------^+      +--------+        - - - - - - - -      |  
-    |        2|      | HC4051 <0-------|-|-|-|-|-|-|-|--|R|-+
-    |         |capa. |        <1-------|-|-|-|-|-|-|-|--|R|-+
+    |        3|      | HC4051 <0-------|-|-|-|-|-|-|-|--|R|-+
+    | DIL-20  |capa. |        <1-------|-|-|-|-|-|-|-|--|R|-+
     | TP1684  |sense |        <2-------|-|-|-|-|-|-|-|--|R|-+
     | TP1684  |sense |        <2-------|-|-|-|-|-|-|-|--|R|-+
-    |       11<------|        <3-------|-|-|-|-|-|-|-|--|R|-+
+    |       20<------|        <3-------|-|-|-|-|-|-|-|--|R|-+
     |         |      |        <4-------|-|-|-|-|-|-|-|--|R|-+
     |         |      |        <5-------|-|-|-|-|-|-|-|--|R|-+
     |         |      |        <4-------|-|-|-|-|-|-|-|--|R|-+
     |         |      |        <5-------|-|-|-|-|-|-|-|--|R|-+
-    |         <-+    |        <6-------|-|-|-|-|-|-|-|--|R|-+
-    |   1   4 | |    |        <7-------|-|-|-|-|-|-|-|--|R|-+
+    >5~EN     <-+    |        <6-------|-|-|-|-|-|-|-|--|R|-+
+    |   2   4 | |    |        <7-------|-|-|-|-|-|-|-|--|R|-+
     +---V---^-+ |    +-^-^-^--+        0 1 2 3 4 5 6 7  33K*8
        KEY HYS  |      A B C         +-----------------+
         |   | +-^----+ | | |         |      LS145      |
     +---V---^-+ |    +-^-^-^--+        0 1 2 3 4 5 6 7  33K*8
        KEY HYS  |      A B C         +-----------------+
         |   | +-^----+ | | |         |      LS145      |
@@ -130,14 +130,14 @@ Matrix diagram:
              |bias control?                - - - - -       ---
              |                  3.9K*5     R R R R R        |
     +--------^+      +--------+            - - - - -        |  
              |bias control?                - - - - -       ---
              |                  3.9K*5     R R R R R        |
     +--------^+      +--------+            - - - - -        |  
-    |         |      | HC4051 <0-----------|-|-|-|-|----|R|-+
+    |        3|      | HC4051 <0-----------|-|-|-|-|----|R|-+
     |         |capa. |    Z2  <1-----------|-|-|-|-|----|R|-+
     | TP1684  |sense |        <2-----------|-|-|-|-|----|R|-+
     |         |capa. |    Z2  <1-----------|-|-|-|-|----|R|-+
     | TP1684  |sense |        <2-----------|-|-|-|-|----|R|-+
-    |         <---+--|        <3-----------|-|-|-|-|----|R|-+
+    |       20<---+--|        <3-----------|-|-|-|-|----|R|-+
     |         |   |  |        <4-----------|-|-|-|-|----|R|-+
     |         |   ~En|        <5-----------|-|-|-|-|----|R|-+
     |         |   |  |        <4-----------|-|-|-|-|----|R|-+
     |         |   ~En|        <5-----------|-|-|-|-|----|R|-+
-    |         | +---->        <6-----------|-|-|-|-|----|R|-+
-    |         | | |  | A B C  <7-----------|-|-|-|-|----|R|-+
+    >5~EN     | +---->        <6-----------|-|-|-|-|----|R|-+
+    |   2   4 | | |  | A B C  <7-----------|-|-|-|-|----|R|-+
     +---V---^-+ | |  +-^-^-^--+            | | | | |        |
        KEY HYS  | |    | | |               | | | | |        |
         |   |   | |  +--------+            | | | | |        |
     +---V---^-+ | |  +-^-^-^--+            | | | | |        |
        KEY HYS  | |    | | |               | | | | |        |
         |   |   | |  +--------+            | | | | |        |
@@ -159,6 +159,8 @@ Matrix diagram:
     +--------------------------------------------------+    |
     |                connector                         |   ---
     +--------------------------------------------------+   GND
     +--------------------------------------------------+    |
     |                connector                         |   ---
     +--------------------------------------------------+   GND
+
+TP1684-5(~EN) pin is connected with LS145-D/Connector-11.
                                     
 
 Signals charts
                                     
 
 Signals charts
@@ -170,7 +172,7 @@ Signals charts
     (HHKB_chart1.jpg)
 
     Space bar locate at ROW:3 COL:7. A key is selected by HC4051(C,B,A) and LS145(C,B,A).
     (HHKB_chart1.jpg)
 
     Space bar locate at ROW:3 COL:7. A key is selected by HC4051(C,B,A) and LS145(C,B,A).
-    Key state can be read on TP1684(4/KEY) while asserting low on LS145(D). 
+    Key state can be read on TP1684(4) while asserting low on LS145(D).
 
     (HHKB_chart2.jpg)
 
 
     (HHKB_chart2.jpg)
 
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