M306H7MG-XXXFP Datasheet, PDF(88/329 Page) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER

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M306H7MG-XXXFP Datasheet, PDF (88/329 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER

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M306H7MG-XXXFP/MC-XXXFP/FGFP

9. TIMERS

Timer Bi register (i=0 to 5)(Note 1)

(b15)

(b8)

b7

b0 b7

b0

Symbol

TB0

TB1

TB2

TB3

TB4

TB5

Address

039116, 039016

039316, 039216

039516, 039416

035116, 035016

035316, 035216

035516, 035416

After reset

Indeterminate

Indeterminate

Indeterminate

Indeterminate

Indeterminate

Indeterminate

Mode

Function

Setting range RW

Timer mode

Divide the count source by n + 1

where n = set value

000016 to FFFF16 RW

Event counter

mode

Divide the count source by n + 1

where n = set value (Note 2)

000016 to FFFF16 RW

Pulse period

Measures a pulse period or width

modulation mode,

Pulse width

RO

modulation mode

Note 1: The register must be accessed in 16 bit units.

Note 2: The timer counts pulses from an external device or overflows or underflows of other timers.

Count start flag

b7 b6 b5 b4 b3 b2 b1 b0

Symbol

TABSR

Address

038016

After reset

0016

Bit symbol

TA0S

TA1S

TA2S

TA3S

TA4S

TB0S

TB1S

TB2S

Bit name

Timer A0 count start flag

Timer A1 count start flag

Timer A2 count start flag

Timer A3 count start flag

Timer A4 count start flag

Timer B0 count start flag

Timer B1 count start flag

Timer B2 count start flag

Function

0 : Stops counting

1 : Starts counting

RW

RW

RW

RW

RW

RW

RW

RW

RW

Timer B3, B4, B5 count start flag

b7 b6 b5 b4 b3 b2 b1 b0

Symbol

TBSR

Address

034016

After reset

000XXXXX2

Bit symbol

Bit name

Function

RW

Nothing is assigned. When write, set to â0â. When read, their

(b4-b0) contents are indeterminate.

TB3S Timer B3 count start flag

0 : Stops counting

RW

1 : Starts counting

TB4S Timer B4 count start flag

RW

TB5S Timer B5 count start flag

RW

Clock prescaler reset flag

b7 b6 b5 b4 b3 b2 b1 b0

Symbol

CPSRF

Address

038116

After reset

0XXXXXXX2

Bit symbol

Bit name

Function

RW

Nothing is assigned. When write, set to â0â. When read, their

(b6-b0) contents are indeterminate.

CPSR

Clock prescaler reset flag Setting this bit to â1â initializes the

prescaler for the timekeeping clock. RW

(When read, the value of this bit is â0â.)

Figure 9.16 TB0 to TB5 Registers, TABSR Register, TBSR Register, CPSRF Register

Rev.2.10 Oct 25, 2006 Page 88 of 326

REJ03B0152-0210

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