HD6433636SW datasheet(158/418 Pages) RENESAS

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8.5.3

Pin Functions

Table 8.12 shows the port 6 pin functions.

Table 8.12

Port 6 Pin Functions

Pin Functions and Selection Method

7 to P6 0

The pin function depends on bit PCR6

n in PCR6.

(n = 7 to 0)

PCR6

Pin function

n input pin

n output pin

8.5.4

Pin States

Table 8.13 shows the port 6 pin states in each operating mode.

Table 8.13

Port 6 Pin States

Pins

Reset

Sleep

Subsleep Standby

Watch

Subactive Active

7 to P6 0

High-

impedance

Retains

state

Retains

state

High-

impedance*

Retains

state

Functional

Note: * A high-level signal is output when the MOS pull-up is in the on state.

8.5.5

MOS Input Pull-Up

Port 6 has a built-in MOS input pull-up function that can be controlled by software. When a PCR6

bit is cleared to 0, setting the corresponding PUCR6 bit to 1 turns on the MOS pull-up for that pin.

The MOS pull-up function is in the off state after a reset.

PCR6

PUC6

MOS input pull-up

Off

Note:

* Don’t care

(n = 7 to 0)

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