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UPD78014 Datasheet(PDF) 10 Page - NEC

Part # UPD78014
Description  8-BIT SINGLE-CHIP MICROCONTROLLER
PDF  42 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD78014 Datasheet(HTML) 10 Page - NEC

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10
µPD780016Y, 780018Y
3.1 Port Pins (2/2)
P50 to P57
P60
P61
P62
P63
P64
P65
P66
P67
P80 to P87
P90
P91
P92
P93
P94
P95
P100
P101
P102, P103
P110
P111
P112
P113-P115
P116
P117
P150-P156
Function
Pin Name
I/O
Input/
output
Port 5
8-bit input/output port
LED can be driven directly.
Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
Input
A8 to A15
—
RD
WR
WAIT
ASTB
A0 to A7
SI4A
SO4A
SCK4A
SI4B
SO4B
SCK4B
TI5/TO5
TI6/TO6
—
SI4C
SO4C
SCK4C
—
SDA
SCL
—
Input/
output
Port 11
8-bit input/output port
Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
Input
Input/
output
Port 8
8-bit input/output port
Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
Input
Input/
output
Port 6
8-bit input/ output port
Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
Input
Alternate
Function Pin
After
Reset
Port 9
6-bit input/output port
Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
Input
Input/
output
Input/
output
Port 10
4-bit input/output port
Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
Input
Port 15
7-bit input/output port
Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
Input/
output
Input



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