Port Cm - NEC V850ES/SA2 UPD703201 Manual

4.3.9

Port CM

Port CM can be set to the input or output mode in 1-bit units.
The number of I/O port bits differs depending on the product.
Commercial Name
V850ES/SA2
V850ES/SA3
(1) Functions of port CM
Input/output data can be specified in 1-bit units by using port register CM (PCM).
Can be set to the input or output mode in 1-bit units by using port mode register CM (PMCM).
Can be set to the port mode or control mode (alternate function) in 1-bit units by using port mode control
register CM (PMCCM).
Port CM has an alternate function as the following pins.
Pin Name
Port CM PCM0
PCM1
PCM2
PCM3
Note 2
PCM4
Note 2
PCM5
Notes 1. Software pull-up function
2. V850ES/SA3 only
150
CHAPTER 4 PORT FUNCTIONS
4-bit I/O port
6-bit I/O port
Table 4-13. Alternate-Function Pins of Port CM
Alternate-Function Pin I/O
WAIT I/O
CLKOUT
HLDAK
HLDQR
−
−
Preliminary User's Manual U15905EJ1V0UD
Number of I/O Port Bits
Note 1
PULL
None
Remark
−