From e109b5504beb9f3e6bee6e381ee601a0cd3fae5f Mon Sep 17 00:00:00 2001 From: tmk Date: Mon, 27 Feb 2017 14:28:59 +0900 Subject: [PATCH] hhkb: Revise doc --- keyboard/hhkb/doc/HHKB.txt | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/keyboard/hhkb/doc/HHKB.txt b/keyboard/hhkb/doc/HHKB.txt index 3d08ceb0..493a56ef 100644 --- a/keyboard/hhkb/doc/HHKB.txt +++ b/keyboard/hhkb/doc/HHKB.txt @@ -104,14 +104,14 @@ Matrix diagram: |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|-+ - | 11<------| <3-------|-|-|-|-|-|-|-|--|R|-+ + | 20<------| <3-------|-|-|-|-|-|-|-|--|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 | @@ -130,14 +130,14 @@ Matrix diagram: |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|-+ - | <---+--| <3-----------|-|-|-|-|----|R|-+ + | 20<---+--| <3-----------|-|-|-|-|----|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 | | | | | | | | | | | | | | | +--------+ | | | | | | @@ -159,6 +159,8 @@ Matrix diagram: +--------------------------------------------------+ | | connector | --- +--------------------------------------------------+ GND + +TP1684-5(~EN) pin is connected with LS145-D/Connector-11. 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). - 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) -- 2.39.3