H8SSLASH2225 datasheet(425/1071 Pages) RENESAS

部件名	H8S/2225

功能描述	16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series

PDF	1071 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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425 / 1071 page

Section 10 I/O Ports

Rev. 5.00 Aug 08, 2006 page 339 of 982

REJ09B0054-0500

10.7.6

Input Pull-Up MOS States in Port B

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

MOS can be specified as on or off on an individual bit basis.

Table 10.3 summarizes the input pull-up MOS states.

Table 10.3 Input Pull-Up MOS States in Port B

Pin States

Power-on

Reset

Hardware

Standby

Mode

Manual

Reset

Software

Standby

Mode

In Other

Operations

Address output,

Port output, TPU

output

OFF

Port input, TPU

input

OFF

ON/OFF

Legend:

OFF:

Input pull-up MOS is always off.

ON/OFF: On when PBDDR = 0 and PBPCR = 1; otherwise off.

10.8

Port C

Port C is an 8-bit I/O port and has the following registers.

• Port C data direction register (PCDDR)

• Port C data register (PCDR)

• Port C register (PORTC)

• Port C pull-up MOS control register (PCPCR)

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