NEC 78K0 User Manual page 97

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 Input
P30 to P32 I/O
P33
P40 to P47 I/O
P50 to P57 I/O
Note SO11, SI11, SCK11, SSI11, TI001, TI011, and TO01 are available only in the
78F0148.
CHAPTER 4 PORT FUNCTIONS
Table 4-2. 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 input-only port.
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.
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 5.
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.
User's Manual U15947EJ2V0UD
After Reset Alternate Function
Input TI000
TI010/TO00
Note
SO11
Note
SI11
Note
SCK11
Note
SSI11 /TI001
Note Note
TI011 /TO01
Input SCK10/TxD0
SI10/RxD0
SO10
TxD6
RxD6
TOH0
TOH1/INTP5
TI50/TO50
Input ANI0 to ANI7
Input INTP1 to INTP3
INTP4/TI51/TO51
Input AD0 to AD7
Input A8 to A15
µ
PD780146, 780148, and
Note
97