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Corrected HD44780 driver serialLpt documentation.

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This commit is contained in:
robijn
2003-03-26 00:20:30 +00:00
parent c2d3e7e035
commit 82d355982c
1 changed files with 87 additions and 87 deletions
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docs/lcdproc-user/drivers/hd44780.docbook
+87 -87
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@@ -794,52 +794,52 @@ GND to pin 8 of the IC.
<screen> <screen>
<![CDATA[ <![CDATA[
IC1 IC1
----------- -----------
| 4094 | | 4094 |
5V | shift reg | display 5V | shift reg | display
O | | /keys O | | keys
| 1| |3 | 1| |4
+----|STR Q0|---------------------o 7 D0 +----|STR Q0|--------------------o 11 D4 Y0
| | |4 /Y0 | | |5
Data | 2| Q1|---------------------o 8 D1 Data | 2| Q1|--------------------o 12 D5 Y1
D3 5 o---------------------------|D |5 /Y1 D3 5 o-------------------------|D |6
| | Q2|---------------------o 9 D2 | | Q2|--------------------o 13 D6 Y2
| 3|CK |6 /Y2 | 3| |7
D4 6 o---------------------------| Q3|---------------------o 10 D3 D4 6 o-------------------------|CK Q3|--------------------o 14 D7 Y3
| | |10 /Y3 | | |14
| 15| Q4|---------------------o Y4 | 15| Q4|--------------------o Y4
+----|OE |11 +----|OE |13
| Q5|---------------------o 4 RS | Q5|--------------------o 4 RS Y5
| |12 /Y5 | |12
| Q6|---------------------o Y6 | Q6|--------------------o Y6
| |13 | |11
| Q7|---------------------o Y7 | Q7|--------------------o Y7
| |9 | |9
| QS|-- +--o 5 RW | QS|-- +--o 5 RW
| __|10 | | __|10 |
| QS|-- === | QS|-- ===
| | | |
----------- -----------
D2 4 o-------------------------------------------------------------o 6 EN D2 4 o----------------------------------------------------------o 6 EN
D7 9 o-------------------------------------------------------------o 6 EN2 D7 9 o----------------------------------------------------------o 6 EN2
(2nd LCD) (2nd LCD)
5V O-----+--------+----------------------------------+-----o 2 VCC 5V O-----+--------+-------------------------------+-----o 2 VCC
| | | | | |
| | | | | |
|100n O 16 .-. |100n O 16 .-.
--- IC1 | |<---o 3 Vlcd --- IC1 | |<---o 3 Vlcd
--- O 8 | |10k --- O 8 | |10k
| | '-' | | '-'
GND | | | GND | | |
18..25 o-----------+--------+--------------------------+-------+-----o 1 GND 18..25 o-----------+--------+-----------------------+-------+-----o 1 GND
| |
=== GND === GND
]]> ]]>
</screen> </screen>
@@ -855,55 +855,55 @@ complex. If you do not understand the schematic, do not build it.
<screen> <screen>
<![CDATA[ <![CDATA[
IC2 IC2
----------- -----------
| 74HCT164 | | 74HCT164 |
| shift reg | display | shift reg | display
| | /keys | | keys
Data 1| |3 Data 1| |3
D3 5 o-----------------------+---|D Q0|---------------------o 7 D0 D3 5 o---------------------+---|D Q0|--------------------o 11 D4 Y0
| | |4 /Y0 | | |4
| 2| Q1|---------------------o 8 D1 | 2| Q1|--------------------o 12 D5 Y1
+---|D |5 /Y1 +---|D |5
| Q2|---------------------o 9 D2 | Q2|--------------------o 13 D6 Y2
| |6 /Y2 | |6
| Q3|---------------------o 10 D3 | Q3|--------------------o 14 D7 Y3
| |10 /Y3 | |10
Clock 8| Q4|---------------------o Y4 Clock 8| Q4|--------------------o Y4
D4 6 o---------------------------|CK |11 D4 6 o-------------------------|CK |11
| Q5|---------------------o 4 RS | Q5|--------------------o 4 RS Y5
___ 9|\ 8 9|_ |12 /Y5 ___ 9|\ 8 9|_ |12
+--|___|--+----| >o----|R Q6|---------------------o Y6 +--|___|--+----| >o----|R Q6|--------------------o Y6
| 22k | |/ | |13 | 22k | |/ | |13
| --- IC1 | Q7|---+ +--o 5 RW | --- IC1 | Q7|---+ +--o 5 RW
| --- | | | 5V | | --- | | | 5V |
| |100p ----------- | O === | |100p ----------- | O ===
| | | | | | | |
| === | .-. | === | .-.
| | | |22k | | | |22k
+--------------------------------------+ | | +--------------------------------------+ | |
| '-' | '-'
| ___ 11|\ 10 | 5|\ 6 | ___ 11|\ 10 | 5|\ 6
+--|___|--+----| >o-------------------||----+-----| >o---o 6 EN +--|___|--+----| >o-------------------||-----+----| >o--o 6 EN
22k | |/ 22p |/ 22k | |/ 22p |/
--- IC1 IC1 --- IC1 IC1
--- ---
|22p |22p
| IC1=74HCT14 (6x Schmitt trigger inverter) | IC1=74HCT14 (6x Schmitt trigger inverter)
=== ===
5V O--+-------+------+------+------------------------+-----o 2 VCC 5V O--+-------+------+------+-----------------------+-----o 2 VCC
| | | | 13|\ 12 | | | | | 13|\ 12 |
| | | +---| >o- | | | | +---| >o- |
|100n O 14 O 14 |/ .-. |100n O 14 O 14 |/ .-.
--- IC1 IC2 | |<---o 3 Vlcd --- IC1 IC2 | |<---o 3 Vlcd
--- O 7 O 7 1|\ 2 3|\ 4 | |10k --- O 7 O 7 1|\ 2 3|\ 4 | |10k
| | | +--| >o- +--| >o- '-' | | | +--| >o- +--| >o- '-'
GND | | | | |/ | |/ | GND | | | | |/ | |/ |
18..25 o--------+-------+------+-------+----------+-----+------+-----o 1 GND 18..25 o------+-------+------+-------+----------+-----+-----+-----o 1 GND
| |
=== GND === GND
]]> ]]>
</screen> </screen>