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GLCD ST7920

Posted: Sun Sep 19, 2021 9:21 am
by Boomer
Hi All,
I am having trouble connecting the above display to my ECIO40. FC7 in the properties dialog screen is reporting pin c1 as (a0) but this pin does not exist on the display. what pin does this go too..... PORT C1 - A0?

Display Pins ECIO40 PINOUTS
1 - GND
2 - VCC
3 - VO - pot wiper
4 - RS
5 - R/W PORT C6
6 - E PORT C2
7 - DB0 PORTB0
] ]
14 - DB7 PORT B7
15 - PSB
16 - NC
17 - RST PORT C0
18 - VOUT
19 - BLA BCKLIGHT ANODE
20 - BLK BACKLIGHT CATHODE

Re: GLCD ST7920

Posted: Tue Sep 21, 2021 10:23 am
by Benj
Hello,

I beleive the Register Select (RS) pin is often labelled as A0.