M306V2EEFS datasheet(83/271 Pages) RENESAS

No de pièce	M306V2EEFS

Description	SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

PDF	271 Pages

Scroll/Zoom	100%

Fabricant	RENESAS [Renesas Technology Corp]

Site Internet	http://www.renesas.com

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83 / 271 page

Rev.1.40

Oct 06, 2004 page 83 of 269

M306V2ME-XXXFP, M306V2EEFP

Figure 2.10.7 Up/down flag

Timer A4 up/down flag

Timer A3 up/down flag

Timer A2 up/down flag

Timer A1 up/down flag

Timer A0 up/down flag

Symbol

Address

When reset

UDF

038416

0016

Reserved bit

Up/down flag

Bit name

Function

Bit symbol

TA4UD

TA3UD

TA2UD

TA1UD

TA0UD

Must always be set to “0”

000

This specification becomes valid

when the up/down flag content is

selected for up/down switching

cause

0 : Down count

1 : Up count

TA1OS

TA2OS

TA0OS

One-shot start flag

Symbol

Address

When reset

ONSF

038216

00X000002

Timer A0 one-shot start flag

Timer A1 one-shot start flag

Timer A2 one-shot start flag

Timer A3 one-shot start flag

Timer A4 one-shot start flag

TA3OS

TA4OS

Bit name

Function

Bit symbol

Nothing is assigned.

In an attempt to write to this bit, write “0.” The value, if read, turns out to be indeterminate.

TA0TGL

TA0TGH

0 0 : Do not set

0 1 : TB2 overflow is selected

1 0 : TA4 overflow is selected

1 1 : TA1 overflow is selected

Timer A0 event/trigger

select bit

b7 b6

1 : Timer start

When read, the value is “0”

Figure 2.10.8 One-shot start flag

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