M16C62N Datasheet, PDF(82/213 Page) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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M16C62N Datasheet, PDF (82/213 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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Timer B

Mitsubishi microcomputers

M16C / 62N Group (80-pin)

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Timer Bi register (Note 1)

(b15)

(b8)

b0 b7

Symbol

TB0

TB1

TB2

TB3

TB4

TB5

Function

â¢ Timer mode

Counts the timer's period

Address

039116, 039016

039316, 039216

039516, 039416

035116, 035016

035316, 035216

035516, 035416

When reset

Indeterminate

Values that can be set R W

000016 to FFFF16

â¢ Event counter mode

000016 to FFFF16

Counts external pulses input or a timer overflow (Note 2)

â¢ Pulse period / pulse width measurement mode

Measures a pulse period or width (Note 2)

Note 1: Read and write data in 16-bit units.

Note 2: Timer B1 is provided with no input pin, so it does not work in this mode. The

overflow of the timer, however, can be counted in event counter mode.

Count start flag

b7 b6 b5 b4 b3 b2 b1 b0

Symbol

TABSR

Address

038016

When reset

0016

Bit symbol

Bit name

TA0S Timer A0 count start flag

TA1S Timer A1 count start flag

TA2S Timer A2 count start flag

TA3S Timer A3 count start flag

TA4S Timer A4 count start flag

TB0S Timer B0 count start flag

TB1S Timer B1 count start flag

TB2S Timer B2 count start flag

Function

0 : Stops counting

1 : Starts counting

Timer B3, 4, 5 count start flag

b7 b6 b5 b4 b3 b2 b1 b0

Symbol

TBSR

Address

034016

When reset

000XXXXX2

Bit symbol

Bit name

Function

Nothing is assigned. In an attempt to write to these bits, write â0â. The value, if read,

turns out to be indeterminate.

TB3S

TB4S

TB5S

Timer B3 count start flag

Timer B4 count start flag

Timer B5 count start flag

0 : Stops counting

1 : Starts counting

Clock prescaler reset flag

b7 b6 b5 b4 b3 b2 b1 b0

Symbol

CPSRF

Address

038116

When reset

0XXXXXXX2

Bit symbol

Bit name

Function

Nothing is assigned. In an attempt to write to these bits, write â0â. The value, if read,

turns out to be indeterminate.

CPSR

Clock prescaler reset flag

0 : No effect

1 : Prescaler is reset

(When read, the value is â0â)

Figure 1.13.16. Timer B-related registers (2)

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