134
CHAPTER 6 PORT FUNCTIONS
Table 6-2. Port Functions (
µ
PD78078Y Subseries) (1/2)
Pin Name
Function
Alternate Function
P00
Input only
INTP0/TI00
P01
INTP1/TI01
P02
Input/output mode can be specified bit-
INTP2
P03
Port 0.
wise.
INTP3
P04
8-bit input/output port.
If used as an input port, an on-chip pull-
INTP4
P05
up resistor can be connected by software.
INTP5
P06
INTP6
P07
Input only
XT1
Port 1.
P10 to P17
8-bit input/output port.
ANI0 to ANI7
Input/output mode can be specified bit-wise.
If used as an input port, an on-chip pull-up resistor can be connected by software.
P20
SI1
P21
SO1
P22
Port 2.
SCK1
P23
8-bit input/output port.
STB
P24
Input/output mode can be specified bit-wise.
BUSY
P25
If used as an input port, an on-chip pull-up resistor can be connected by software.
SI0/SB0/SDA0
P26
SO0/SB1/SDA1
P27
SCK0/SCL
P30
TO0
P31
TO1
P32
Port 3.
TO2
P33
8-bit input/output port.
TI1
P34
Input/output mode can be specified bit-wise.
TI2
P35
If used as an input port, an on-chip pull-up resistor can be connected by software.
PCL
P36
BUZ
P37
—
Port 4.
8-bit input/output port.
P40 to P47
Input/output mode can be specified 8-bit-wise.
AD0 to AD7
If used as an input port, an on-chip pull-up resistor can be connected by software.
Test input flag (KRIF) is set to 1 by falling edge detection.
Port 5.
8-bit input/output port.
P50 to P57
LEDs can be driven directly.
A8 to A15
Input/output mode can be specified bit-wise.
If used as an input port, an on-chip pull-up resistor can be connected by software.
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