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3.1 Pin Function List
3.1.1 Normal operating mode pins
(1) Port pins (1/2)
Pin Name
P00
P01
P02
P03
Note 1
P04
P10 to P17
P20
P21
P22
P23
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P24
P25
P26
P27
P30
P31
P32
P33
P34
P35
P36
P37
Notes 1. When the P04/XT1 pin is used as an input port, set the bit 6 (FRC) of the processor clock control register
2. When pins P10/ANI0 to P17/ANI7 are used as an analog input of the A/D converter, the on-chip pull-up
CHAPTER 3 PIN FUNCTION ( µ PD78014 Subseries)
CHAPTER 3 PIN FUNCTION ( µ PD78014 Subseries)
Input/
Output
Input
Port 0
Input/
5-bit input/output port
Output
Input
Input/
Port 1
Output
8-bit input/output port.
Input/output specifiable bit-wise.
If used as an input port, an on-chip pull-up resistor can be connected by
Note 2
software
.
Input/
Port 2
Output
8-bit input/output port.
Input/output specifiable bit-wise.
If used as an input port, an on-chip pull-up resistor can be connected
by software.
Input/
Port 3
Output
8-bit input/output port.
LED can be driven directly.
Input/output specifiable bit-wise.
If used as an input port, an on-chip pull-up resistor can be connected
by software.
(PCC) to 1 (do not use the on-chip feedback resistor of the subsystem clock oscillator).
resistor is automatically disabled.
Function
Input only
Input/output specifiable bit-wise.
If used as an input port, an on-chip pull-up
resistor can be connected by software.
Input only
After
Alternate
Reset
Function
Input
INTP0/TI0
Input
INTP1
INTP2
INTP3
Input
XT1
Input
ANI0 to ANI7
Input
SI1
SO1
SCK1
STB
BUSY
SI0/SB0
SO0/SB1
SCK0
Input
TO0
TO1
TO2
TI1
TI2
PCL
BUZ
—
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