H838024 datasheet(243/697 Pages) RENESAS

Part #	H838024

Description	Renesas 8-Bit Single-Chip Microcomputer Super Low Power Series

PDF	697 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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Section 8 I/O Ports

Rev. 7.00 Mar 10, 2005 page 201 of 652

REJ09B0042-0700

8.2.4

Pin States

Table 8.4 shows the port 1 pin states in each operating mode.

Table 8.4

Port 1 Pin States

Pins

Reset

Sleep

Subsleep Standby

Watch

Subactive Active

P17/

IRQ

3/TMIF

P16*

P14/

IRQ

ADTRG

P13/TMIG

High-

impedance

Retains

state

Retains

state

High-

impedance*

Retains

state

Functional Functional

Notes: 1.

Pin 16 and the associated function are not implemented on the H8/38124 Group.

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

8.2.5

MOS Input Pull-Up

Port 1 has a built-in MOS input pull-up function that can be controlled by software. When a

PCR1 bit is cleared to 0, setting the corresponding PUCR1 bit to 1 turns on the MOS input pull-up

for that pin. The MOS input pull-up function is in the off state after a reset.

PCR1n

001

PUCR1n

MOS input pull-up

Off

(n = 7, 6, 4, 3)

*: Don’t care

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