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MEH-P5000R—,P5000,P5050
- Pin Functions (PD6277A)
Pin No.
Pin Name
1
VSS
2
X1
3
X0
reset
4
5
MOD1
6
MOD0
7
LED
8
S0
9
S1
10
REM
dim
11
12
ILM
kd$–kd!
13–16
kst^–!
17–22
23
VCC
inh
24
25
CE
26
CL
27
DI
28–73
SEG45-0
74–77
COM3–0
78
V3
79
V2
80
V1
*PD6277A
21
40
120
I/O
Format
Function and Operation
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
I
System reset input
I
Operation mode appointment input
I
Operation mode appointment input
O
C
LED control output
O
C
System micro computer UART communication data output
I
System micro computer UART communication data input
I
Remote control reception input
O
C
Dimmer output
O
C
Illumination color select output
I
Key data input
O
C
Key strobe output
Power supply
O
N
LCD driver display inhibit output
O
N
Chip enable output for display driver
O
N
Synchronizing signal output for display driver
O
N
Data output for display driver
O
L
LCD segment output
O
L
LCD common output
LCD drive power supply
LCD bias power supply
LCD bias power supply
80
61
Format
Meaning
C
C MOS
N
N channel open drain
L
LCD C output
LC75874W
21
40
80
61
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