81
DEX-P9,P9R
-
Pin Functions (PD6356A)
Pin No.
Pin Name
I/O
Function and Operation
1
rd
O
KROM-RD, CE
2
wr
O
LCDC-WR, CE
3-5
NC
Not used
6
RDY
I
RDY input
7
NC
Not used
8
VCC
VCC
9
DSPDT
I
Display data
10
KEYDT
O
Key data
11-32
NC
Not used
33
VSS
VSS
34
C
Power suply stabilizer pin
35
flash
I
FLASH ROM WR mode input
36
prog
I
PROG LOAD mode input
37-41
NC
Not used
42
AVCC
ADC
43
AVRH
ADC
44
AVRL
ADC
45
AVSS
ADC
46, 47
KDT0, 1
I
Main unit key input
48-53
NC
Not used
54
VCC
VCC
55-62
NC
Not used
63
VSS
VSS
64-71
NC
Not used
72
REMIN
I
Remote control signal
73-84
NC
Not used
85
oel
_
res
OEL_RES
86
HST
I
Standby pin
87-89
MD2-0
I
Mode pin
90
RST
I
RESET pin
91
VSS
VSS
92, 93
X0, 1
Oscillator circuit
94
VCC
VCC
95-110
AD00-15
I/O
External ADR, DATA BUS
111-118
A16-23
O
External ADR BUS
119
VSS
VSS
120
ALE
O
External A0-A7 latch signal
30
31
60
90
61
91
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