FD1000A
3/4COM LCD Driver
Pin Descriptions
Pin No.
Pin Name
SEG1/ P1 ~
SEG12/ P12
I/O
Pin Description
1 ~ 12
O
LCD Segment output pins / General-purpose output pins(Only 1/4Duty Mode)
Select Segment output pins or General-purpose output pins by the instruction.
SEG13~SEG51
SEG52/ COM0
LCD Segment output pins.
13 ~ 51
52
O
O
LCD Segment output pin or LCD Common output pin.
SEG52 in 1/3 Duty use, COM0 in 1/4 Duty use.
53 ~ 55
57
COM1 ~ COM3
INH\
O
I
LCD Common output pins.
Display off control input pin
INH\ = VSS, Display forced off INH\ = VDD, Display on
58, 59
61
VLC1, VLC2
OSC
CE
I/O LCD power supply
I/O Oscillator output pin.
62
I
I
I
-
-
Chip enable input pin
Shift clock input pin
Serial Data input pin
Power supply
63
SCK
64
SI
56
VDD
VSS
60
Ground
Serial Data Format and Timing
z
1/3 Duty , SCK is stopped at low level
z
1/3 Duty , SCK is stopped at high level
Note : X = don’t care
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