CHAPTER 4 PORT FUNCTIONS
4.3.2 Port 1
Port 1 can control input/output in 1-bit units.
The number of I/O port pins for port 1 differs according to the product.
Product
V850ES/KF1
V850ES/KG1
V850ES/KJ1
I/O Port Pin Count
–
2-bit I/O port
2-bit I/O port
(1) Port 1 functions (V850ES/KG1, V850ES/KJ1)
{ Port input/output data can be specified in 1-bit units.
Specification is made by the port 1 register (P1).
{ Port input/output can be specified in 1-bit units.
Specification is made by the port 1 mode register (PM1).
{ On-chip pull-up resistor connection can be specified in 1-bit units.
Specification is made by pull-up resistor option register 1 (PU1).
Port 1 includes the following alternate functions.
Table 4-6. Alternate-Function Pins of Port 1 (V850ES/KG1, V850ES/KJ1)
Pin Name
P10
P11
Note Software pull-up function
Alternate Function
ANO0
ANO1
I/O
PULLNote
Yes
Remark
Port 1
I/O
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User’s Manual U15862EJ3V0UD
149
NEC [ NEC ]
