SA8806A
PIN DESCRIPTION (Continued)
Pin Pin
PLCC-44 DIP-40
Designation Description
33
32
31
30
28
11
10
9
20
19
18
17
15
40
39
38
21
VR[0]
VR[1]
VR[2]
VR[3]
EN
LCD backplane driver outputs
LCD Voltage Divider Enable input, active low
VI1
Optional external LCD voltage inputs
VI1/3
VI2/3
NC
34
12
24
35
44
Not connected
NC
NC
NC
NC
FUNCTIONAL DESCRIPTION
The SA8806A is a CMOS Liquid Crystal Display Driver integrated circuit for displays,
having 4 track multipexed backplanes and up to 64 LCD segments.
The integrated circuit has a parallel interface, with external contract control and a low
power mode.
1. Parallel Interface
Read Mode: With CS and RD both active (low), the data corresponding to the
selected address, is switched to the output.
The Read cycle timing diagram is given below:
Diagram 1: Read Cycle
5/10
sames
SAMES [ SAMES ]
