M16CSLASH26 datasheet(95/239 Pages) RENESAS

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Renesas Technology Corp.

Timer B

M16C/26 Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Under

development

Preliminary Specifications Rev. 0.9

Specifications in this manual are tentative and subject to change.

Figure 1.13.18. Timer B-related registers (2)

Symbol

Address

When reset

TABSR

038016

0016

Count start flag

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

Symbol

Address

When reset

CPSRF

038116

0XXXXXXX2

Clock prescaler reset flag

Bit name

Function

Bit symbol

Clock prescaler reset flag

0 : No effect

1 : Prescaler is reset

(When read, the value is 0 )

CPSR

Symbol

Address

When reset

TB0

039116, 039016

Indeterminate

TB1

039316, 039216

Indeterminate

TB2

039516, 039416

Indeterminate

b0 b7

(b15)

(b8)

Timer Bi register (Note)

ÄPulse period / pulse width measurement mode

Measures a pulse period or width

ÄTimer mode

000016 to FFFF16

Counts the timer's period

Function

Values that can be set

ÄEvent counter mode

000016 to FFFF16

Counts external pulses input or a timer overflow

Note: Read and write data in 16-bit units.

Nothing is assigned.

In an attempt to write to these bits, write 0 . The value, if read, turns

out to be indeterminate.

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