HD6432138SW datasheet(335/1061 Pages) RENESAS

Part #	HD6432138SW

Description	Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series

PDF	1061 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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335 / 1061 page

Section 11 16-Bit Free-Running Timer

Rev. 4.00 Jun 06, 2006 page 281 of 1004

REJ09B0301-0400

Bit 2—Output Compare Flag B (OCFB): This status flag indicates that the FRC value matches

the OCRB value. This flag must be cleared by software. It is set by hardware, however, and cannot

be set by software.

Bit 2

OCFB

Description

[Clearing condition]

Read OCFB when OCFB = 1, then write 0 in OCFB

(Initial value)

[Setting condition]

When FRC = OCRB

Bit 1—Timer Overflow Flag (OVF): This status flag indicates that the FRC has overflowed

(changed from H'FFFF to H'0000). This flag must be cleared by software. It is set by hardware,

however, and cannot be set by software.

Bit 1

OVF

Description

[Clearing condition]

Read OVF when OVF = 1, then write 0 in OVF

(Initial value)

[Setting condition]

When FRC changes from H'FFFF to H'0000

Bit 0—Counter Clear A (CCLRA): This bit selects whether the FRC is to be cleared at compare-

match A (when the FRC and OCRA values match).

Bit 0

CCLRA

Description

FRC clearing is disabled

(Initial value)

FRC is cleared at compare-match A

HD6432138SW Datasheet(PDF) 335 Page - Renesas Technology Corp