From 82d355982c16c4340053cc27fa9d2a983b6fdb64 Mon Sep 17 00:00:00 2001 From: robijn Date: Wed, 26 Mar 2003 00:20:30 +0000 Subject: [PATCH] Corrected HD44780 driver serialLpt documentation. --- docs/lcdproc-user/drivers/hd44780.docbook | 174 +++++++++++----------- 1 file changed, 87 insertions(+), 87 deletions(-) diff --git a/docs/lcdproc-user/drivers/hd44780.docbook b/docs/lcdproc-user/drivers/hd44780.docbook index 29ba79e..66e4319 100644 --- a/docs/lcdproc-user/drivers/hd44780.docbook +++ b/docs/lcdproc-user/drivers/hd44780.docbook @@ -794,52 +794,52 @@ GND to pin 8 of the IC. @@ -855,55 +855,55 @@ complex. If you do not understand the schematic, do not build it. o----|R Q6|---------------------o Y6 - | 22k | |/ | |13 - | --- IC1 | Q7|---+ +--o 5 RW - | --- | | | 5V | - | |100p ----------- | O === - | | | | - | === | .-. - | | | |22k - +--------------------------------------+ | | - | '-' - | ___ 11|\ 10 | 5|\ 6 - +--|___|--+----| >o-------------------||----+-----| >o---o 6 EN - 22k | |/ 22p |/ - --- IC1 IC1 - --- - |22p - | IC1=74HCT14 (6x Schmitt trigger inverter) - === + IC2 + ----------- + | 74HCT164 | + | shift reg | display + | | keys + Data 1| |3 + D3 5 o---------------------+---|D Q0|--------------------o 11 D4 Y0 + | | |4 + | 2| Q1|--------------------o 12 D5 Y1 + +---|D |5 + | Q2|--------------------o 13 D6 Y2 + | |6 + | Q3|--------------------o 14 D7 Y3 + | |10 + Clock 8| Q4|--------------------o Y4 + D4 6 o-------------------------|CK |11 + | Q5|--------------------o 4 RS Y5 + ___ 9|\ 8 9|_ |12 + +--|___|--+----| >o----|R Q6|--------------------o Y6 + | 22k | |/ | |13 + | --- IC1 | Q7|---+ +--o 5 RW + | --- | | | 5V | + | |100p ----------- | O === + | | | | + | === | .-. + | | | |22k + +--------------------------------------+ | | + | '-' + | ___ 11|\ 10 | 5|\ 6 + +--|___|--+----| >o-------------------||-----+----| >o--o 6 EN + 22k | |/ 22p |/ + --- IC1 IC1 + --- + |22p + | IC1=74HCT14 (6x Schmitt trigger inverter) + === - 5V O--+-------+------+------+------------------------+-----o 2 VCC - | | | | 13|\ 12 | - | | | +---| >o- | - |100n O 14 O 14 |/ .-. - --- IC1 IC2 | |<---o 3 Vlcd - --- O 7 O 7 1|\ 2 3|\ 4 | |10k - | | | +--| >o- +--| >o- '-' - GND | | | | |/ | |/ | - 18..25 o--------+-------+------+-------+----------+-----+------+-----o 1 GND - | - === GND + 5V O--+-------+------+------+-----------------------+-----o 2 VCC + | | | | 13|\ 12 | + | | | +---| >o- | + |100n O 14 O 14 |/ .-. + --- IC1 IC2 | |<---o 3 Vlcd + --- O 7 O 7 1|\ 2 3|\ 4 | |10k + | | | +--| >o- +--| >o- '-' + GND | | | | |/ | |/ | + 18..25 o------+-------+------+-------+----------+-----+-----+-----o 1 GND + | + === GND ]]>