Port 3 - NEC Renesas V850/SC1 User Manual

32-bit single-chip microcontrollers

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Port 3

Port 3 is an 8-bit I/O port for which I/O settings can be controlled in 1-bit units.

When using P35 to P37 as the INTP7 to INTP9 pins, noise is eliminated by an analog eliminator.

After reset:

In input mode:

In output mode: When P3 is read, the values of P3 are read. Writing to P3 writes the values to that

Port 3 includes the following alternate functions.

Software pull-up function

Only for the V850/SC1 and V850/SC2

Address: FFFFF006H

Control of output data (in output mode) (n = 0 to 7)

When P3 is read, the pin levels at that time are read. Writing to P3 writes the values

to that port. This does not affect the input pins.

port, and those values are immediately output.

Table 5-5. Port 3 Alternate Function Pins

Alternate Function

User's Manual U15109EJ3V0UD

PORT FUNCTIONS

Analog noise elimination

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