Epson S1D16000 Series, Technical Manual

Page: 42 / 86

S1D16501 Series
Rev.1.0
EPSON
3–3
Number
of pins
Pin name
O0 to O99
DIO1
DIO2
DI3
SEL
YSCL
SHL
DSPOFF
FR
V
DD
, V
SS
V0, V1,
V4, V5
I/O
O
I/O
I
I
I
I
I
I
Power supply
Power supply
80
2
1
1
1
1
1
1
3
8
Function
LCD drive common (row) output
The output changes at the YSCL falling edge.
50
×
2 bits bidirectional shift register serial data input/output
To be set to input or output according to the SHL input
The output changes at the YSCL falling edge.
This is the input pin of scanning pulse in the 50
×
2 bits
configuration.
When SEL = LOW, the DI3 pin to V
SS
or GND.
Selection input of bidirectional shift register operating mode
HIGH ... 50
×
2 (DI3 input) LOW ... 100
Serial data shift clock input
The scanning data is shifted at the falling edge.
Shift direction selection and DIO pin I/O control input
When SEL = HIGH, the DI3 input is set to O50 (SHL = LOW) or
O49 (SHL = HIGH).
When SEL = LOW, the D13 input is ignored and the DIO inputs
are shifted continuously.
LCD display blanking control input
When LOW is input, the content of shift register is cleared and all
common outputs become the V
0
level instantaneously.
LCD drive output converted signal input
Logic power supply V
DD
: 0 V (GND) V
SS
: –2.7 V to –5.5 V
LCD drive power supply V
5
: –8 V to –28 V
V
DD
≥
V
0
≥
V
1
≥
V
4
≥
V
5
SHL O output shift direction DIO1 DIO2
LOW 0
→
49 50
→
99 Input Output
HIGH 99
→
50 49
→
0 Ourput Input
Respectively
Total: 119
4. PIN DESCRIPTION
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