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Renesas 16-bit single-chip microcomputer Computer Hardware User Manual

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Rev.1.02 Jul 01, 2005 page 107 of 314

REJ09B0126-0102

M16C/6N Group (M16C/6NL, M16C/6NN) 12. Timers

Under development

This document is under development and its contents are subject to change.

Figure 12.17 TABSR Register, TBSR Register and CPSRF Register

Symbol Address After Reset

TABSR 0380h 00h

Count Start Flag

b7 b6 b5 b4 b3 b2 b1 b0

Bit Name

Bit Symbol

Timer B2 Count Start Flag

Timer B1 Count Start Flag

Timer B0 Count Start Flag

Timer A4 Count Start Flag

Timer A3 Count Start Flag

Timer A2 Count Start Flag

Timer A1 Count Start Flag

Timer A0 Count Start Flag 0 : Stops counting

1 : Starts counting

TB2S

TB1S

TB0S

TA4S

TA3S

TA2S

TA1S

TA0S

Function

RW

RW

RW

RW

RW

RW

RW

RW

RW

Symbol Address After Reset

TBSR 01C0h 000XXXXXb

Timer B3, B4, B5 Count Start Flag

b7 b6 b5 b4 b3 b2 b1 b0

Bit Name

Bit Symbol

Timer B5 Count Start Flag

Timer B4 Count Start Flag

Timer B3 Count Start Flag

0 : Stops counting

1 : Starts counting

TB5S

TB4S

TB3S

Nothing is assigned. When write, set to "0".

When read, their contents are indeterminate.

Function

RW

RW

-

RW

RW

-

(b4-b0)

-

-

(b6-b0)

Symbol Address After Reset

CPSRF 0381h 0XXXXXXXb

Clock Prescaler Reset Flag

Bit Name Function

Bit Symbol

b7 b6 b5 b4 b3 b2 b1 b0

Clock Prescaler Reset Flag

CPSR

Nothing is assigned. When write, set to "0".

When read, their contents are indeterminate.

RW

RW

Setting this bit to "1" initializes the

prescaler for the timekeeping clock.

(When read, the value of this bit is "0".)

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