TS-7250-V3 LCD Header: Difference between revisions

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(Created page with "The LCD header is a 0.1" pitch 2x7 header including GPIO. This is designed around compatibility with the HD44780 LCD controller which includes our [https://www.embeddedarm.co...")
 
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| 1
| 1
| [[#GPIO|GPIO Bank 5 IO 1]]
| [[#Board Rails|5V]]
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| 2
| 2
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|-
| 3
| 3
| [[#GPIO|GPIO Bank 5 IO 2]]
| LCD_RS [[#GPIO|GPIO Bank 2 IO 23]]
|-
|-
| 4
| 4
| [[#GPIO|Current Sink Output Bank 2 IO 27]] <ref>When this pin is a high output it enables a FET to ground.</ref>
| LCD_BIAS [[#PWM|PWM0]] / [[#GPIO|GPIO Bank 2 IO 24]] <ref>This pin is used to dynamically adjust contract on the LCD.  This may need to be tuned depending on the environment or altitude where the display is used.</ref>
|-
|-
| 5
| 5
| [[#GPIO|GPIO Bank 5 IO 3]]
| LCD_EN [[#GPIO|GPIO Bank 5 IO 20]]
|-
| 6
| [[#SPI|spidev 0.1 Chip Select]]
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| 7
| [[#GPIO|GPIO Bank 5 IO 4]]
|-
| 8
| [[#GPIO|GPIO Bank 5 IO 5]]
|-
| 9
| [[#GPIO|GPIO Bank 5 IO 6]]
|-
| 10
| [[#SPI|spidev 0.1 MISO]]
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| 11
| [[#GPIO|GPIO Bank 5 IO 7]]
|-
| 12
| [[#SPI|spidev 0.1 MOSI]]
|-
| 13
| [[#GPIO|GPIO Bank 5 IO 8]]
|-
| 14
| [[#SPI|spidev 0.1 CLK]]
|-
| 15
| [[#GPIO|GPIO Bank 5 IO 9]]
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| 16
| [[#Board Rails|3.3V]]
|}
|}
|  
|  
[[File:TS-7250-V3-DIO Header.svg|302px]]
[[File:TS-7250-V3-LCD Header.svg|302px]]
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|}


<References />
<References />

Revision as of 13:31, 27 February 2020

The LCD header is a 0.1" pitch 2x7 header including GPIO. This is designed around compatibility with the HD44780 LCD controller which includes our LCD-LED.

Signals Pin Layout
Pin Signal
1 5V
2 GND
3 LCD_RS GPIO Bank 2 IO 23
4 LCD_BIAS PWM0 / GPIO Bank 2 IO 24 [1]
5 LCD_EN GPIO Bank 5 IO 20

TS-7250-V3-LCD Header.svg

  1. ↑ This pin is used to dynamically adjust contract on the LCD. This may need to be tuned depending on the environment or altitude where the display is used.
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