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Pin Name
P00
P01
P02
P03
P04
P10 to P17
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P32
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P33
P34
P35
P36
P37
P40 to P47
P50 to P57
132
CHAPTER 6 PORT FUNCTIONS
Table 6-2. Port Functions ( µ PD78014Y Subseries) (1/2)
Port 0.
5-bit input/output port.
Port 1.
8-bit input/output port.
Input/output specifiable bit-wise.
If used as an input port, on-chip pull-up resistor is enabled by software.
Port 2.
8-bit input/output port.
Input/output specifiable bit-wise.
If used as an input port, on-chip pull-up resistor is enabled by software.
Port 3.
8-bit input/output port.
Input/output specifiable bit-wise.
If used as an input port, on-chip pull-up resistor is enabled by software.
Port 4.
8-bit input/output port.
Input/output can be specified in 8-bit units.
When used as an input port, on-chip pull-up resistor is enabled by software.
Test input flag (KRIF) is set to 1 by falling edge detection.
Port 5.
8-bit input/output port.
LED can be driven directly.
Input/output specifiable bit-wise.
When used as an input port, on-chip pull-up resistor is enabled by software.
Function
Input only.
Input/output specifiable bit-wise.
If used as an input port, on-chip pull-up
resistor can be enabled by software.
Input only.
Alternate
Function
INTP0/TI0
INTP1
INTP2
INTP3
XT1
ANI0 to ANI7
SI1
SO1
SCK1
STB
BUSY
SI0/SB0/SDA0
SO0/SB1/SDA1
SCK0/SCL
TO0
TO1
TO2
TI1
TI2
PCL
BUZ
—
AD0 to AD7
A8 to A15
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