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@Pin Functions (PD3235A)
PinNo.|
PinName
| I/O
_|Function and Operation
EXTAL
Not used
1)
XTAL
| I
Oscillation continuation terminal
Cassette mechanism strobe input 6
Not used
GND
Key
data input
Not used
Enable clock output for LCD driver
Serial data output for extension I/O IC
Serial data input from extension 1/0 IC
Serial clock input/output for extension IC
Not used
Bus
output for extension 1/0 IC
Reset output for LCD driver
Not used
Chip select output for LCD driver
Not used
Read / write output for LCD driver
O
Oo
Read signal output f
]
or ROM IC
Not used
Address BUS output for ROM IC
GND
Address BUS output for ROM IC
r ROM IC
LCD contrast control output
O
O
0
Data input/output fo
O
|
O
al input
]
Reset input
Remote control sign
Reset output extension I/O IC
Not used
*PD3235A
Tt
-
wo
t+
65
40
80
25
=
wt
N
S-80743AN-D7
@Pin Functions (PD3256A)
Pin No.|_
Pin Name
1/O__|
Function and Operation
Chip enable input
Address BUS input
24|
OE
|
Output enable input
_
25|
All
Address BUS input
1|
NC
Not used
x
2,3 | A16,A15
i
Address BUS input
4|
Al2
I
Address BUS input
5-12 | A7-A0
14
Address BUS input
|
13-15 | DO-D2
(e)
Data output
16|
VSS
GND
17-21 | D3-D7
(e)
Data output
I
l
|
|
Address BUS input
LS)
o&
BRO ~
>
Kd
>
foe)
Address BUS input
30 | NC
Not used
31 | A16
i 1
Address BUS input
|
32 | VDD
—_
Power supply
|
*PD3256A
*TC7SOO0F
oO
<=
INB
:
5
INA
VSS
*TC4S81F
RC5532MD
A OUT
Vcc
INB
A-IN
B OUT
INA
A+IN
B-IN
VSS
GND
B+IN
29
30
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