SA8806A
PIN DESCRIPTION (Continued)
Pin
Pin
Designation Description
PLCC-44 DIP-40
33
32
31
30
28
11
10
9
34
12
24
35
44
20
19
18
17
15
40
39
38
21
VR[0]
VR[1]
VR[2]
VR[3]
EN
VI1
VI1/3
VI2/3
NC
NC
NC
NC
NC
LCD Voltage Divider Enable input, active low
Optional external LCD voltage inputs
LCD backplane driver outputs
Not connected
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
sames
5/10
SAMES [ SAMES ]
