NEC 78K0 Series User Manual page 100

Pin Name I/O
P00 I/O
P01
P02
P03
P04
P05
P06
P10 I/O
P11
P12
P13
P14
P15
P16
P17
P20 to P27 I/O
P30 I/O
P31
P32
P33
P40 to P43 I/O
P50 to P53 I/O
P60 I/O
P61
P62
P63
P70 to P77 I/O
Notes 1. Available only in the
µ
2. PD78F0537D only
100
CHAPTER 5 PORT FUNCTIONS
Table 5-2. Port Functions (1/2)
Function
Port 0.
7-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Port 1.
8-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Port 2.
8-bit I/O port.
Input/output can be specified in 1-bit units.
Port 3.
4-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Port 4.
4-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Port 5.
4-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Port 6.
4-bit I/O port (N-ch open drain).
Input/output can be specified in 1-bit units.
Port 7.
8-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
µ
PD78F0534, 78F0535, 78F0536, 78F0537, and 78F0537D.
Preliminary User's Manual U17260EJ3V1UD
After Reset Alternate Function
Input port TI000
TI010/TO00
Note1
SO11
Note1
SI11
Note1
SCK11
Note1
SSI11 /TI001
Note1
TI011 /TO01
Input port SCK10/TxD0
SI10/RxD0
SO10
TxD6
RxD6
TOH0
TOH1/INTP5
TI50/TO50
Analog input ANI0 to ANI7
Input port INTP1
INTP2/OCD1A
INTP3/OCD1B
INTP4/TI51/TO51
−
Input port
−
Input port
Input port SCL0
SDA0
EXSCL0
−
Input port KR0 to KR7
Note1
Note1
Note2
Note2