9.0 INTERFACE
PIN
SYMBOL
I/0
FUNCTION
Chip select input pin
Data / instruction I/O is enabled only when CS1B is
"L", When chip select is non-active, DB0 to DB7 may
be high impedance.
1
CS1B
I
Reset input pin
When RSTB is "L", initialization is executed.
2
RSTB
I
Register select input pin
3
4
RS
I
RS = "H": DB0 to DB7 are display data
RS = "L": DB0 to DB7 are Instruction
SCL
Serial interface selected (PS ="L");
DB6: serial input clock (SCLK)
DB7: serial input data (SID)
When chip select is not active, DB6 and DB7 may be
high impedance.
I/O
5
SDA
6
VDD
VSS
VOUT
C1-
C1+
C2+
C2-
V1
Supply Power supply
Supply Ground
7
8
I/O
Voltage converter input/output pin.
9
O
Capacitor 1 negative connection pin for voltage converter.
Capacitor 1 positive connection pin for voltage converter.
Capacitor 2 positive connection pin for voltage converter.
Capacitor 2 negative connection pin for voltage converter.
10
11
12
13
14
15
16
17
O
O
O
LCD driver supply voltages.
The voltage determined by LCD pixel is
impedance-converted by an operational amplifier for
application.
V2
I/O
V3
Voltages should have the following relationship:
V0>=V1>=V2>=V3>=V4>=VSS
V4
V0
8
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