Figure 1: Pin 1 of LCD header
A portion of the schematic is included in Figure 2, below, from the 141673-4 schematic
and is not expected to deviate significantly in the future. There is also a list of signals in
Table 1, below.
Figure 2: LCD portion of APM schematic
Pin
Signal/Function
1 DGND
2 +5VD (SUPPLY V FOR LOGIC)
3 $2397; LCD_PWM THRU 1K (OPERATING
V FOR LCD)
4 LCD_RS
5 LCD_RW
6 LCD_EN
7 $1837; DB0; TIED LOW TO DGND
8 $1836; DB1; TIED LOW TO DGND
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