CXA3512R Datasheet, PDF (4/24 Pages) Sony Corporation – LCD Driver

CXA3512R
Pin
No.
Symbol
14 DIRCTR
16 DCFBSW
17 SHOUT6
19 SHOUT5
21 SHOUT4
28 SHOUT3
30 SHOUT2
32 SHOUT1
I/O
Standard
voltage level
High: ≥ 2.5V
I Low: ≤ 0.8V
OPEN High
I OPEN High
O 1.5 to 13.5V
Equivalent circuit
Description
VDD
VDD VDD
VDD
20k
20k
100k
14
40k
12µ
VDD
10µ
VDD VDD
100k
16
40k
Scan direction setting.
Low: output as a time series in
descending order (reverse scan) of
output pin symbol (in order from
SHOUT6 to SHOUT1)
High: output in ascending order
(forward scan)
Offset cancel circuit on/off switch.
High: cancel circuit on
Use this pin at on (open).
40k
VCC
VCC VCC
300
17 28
19 30
300
21 32
Demultiplexer outputs.
Can be connected directly to the
LCD input pins.
33 VCOMOUT O 3 to 7V
VCC
VCC
VCC
70µ
500
33
145 60k
500
LCD common voltage of panel
output.
Can be set to VSIGCNT to
(VSIGCNT – 3V) by the Pin 34 input.
34 VCOMOFF I 0 to 10V
35 SIGCNT
I 7V
VCC
34
VCC
60µ
2k
100k
VCC
35
2k
20µ
–4–
VCOMOUT (Pin 33) voltage setting.
VCOMOUT is the same potential as
SIGCNT for input of 0V, and
approximately 3V lower than that for
input of 10V.
Signal center voltage (inversion
folded voltage) input.
Normally, set to 7V.