M16C6K9 Datasheet, PDF(82/292 Page) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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M16C6K9 Datasheet, PDF (82/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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M16C/6K9 Group

Timer A

Timer Ai register (Note)

(b15)

b7

(b8)

b0 b7

Symbol

b0

TA0

TA1

TA2

TA3

TA4

Address

038716,038616

038916,038816

038B16,038A16

038D16,038C16

038F16,038E16

When reset

Indeterminate

Indeterminate

Indeterminate

Indeterminate

Indeterminate

Function

Values that can be set R W

â¢ Timer mode

Count the internal count source

â¢ Event counter mode

Count pulses from external input or the overflow of timer

000016 to FFFF16

000016 to FFFF16

â¢ One-shot timer mode

Count one shot width

000016 to FFFF16

â¢ Pulse width modulation mode (16-bit PWM)

Function as a 16-bit pulse width modulator

â¢ Pulse width modulation mode (8-bit PWM)

Timer low-order address functions as an 8-bit

prescaler and high-order address functions as an 8-bit

pulse width modulator

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

000016 to FFFE16

0016 to FE16

(Both high-order

and low-order

addresses)

Count start flag

b7 b6 b5 b4 b3 b2 b1 b0

Symbol

TABSR

Address

038016

When 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 : Stop count

1 : Start count

RW

Up/down flag

b7 b6 b5 b4 b3 b2 b1 b0

Symbol

UDF

Address

038416

When reset

0016

Bit symbol

TA0UD

TA1UD

TA2UD

TA3UD

TA4UD

TA2P

TA3P

TA4P

Bit name

Function

Timer A0 up/down flag

Timer A1 up/down flag

Timer A2 up/down flag

Timer A3 up/down flag

Timer A4 up/down flag

0 : Down count

1 : Up count

This specification becomes valid

when the up/down flag content is

selected for up/down switching

factor

Timer A2 two-phase pulse

signal processing select bit

Timer A3 two-phase pulse

signal processing select bit

Timer A4 two-phase pulse

signal processing select bit

0 : two-phase pulse signal

processing disabled

1 : two-phase pulse signal

processing enabled

When not using the two-phase

pulse signal processing function,

set the select bit to â0â

RW

Fig.FB-5 Timer A-related registers (2)

Rev.1.00 Jun 06, 2003 page 82 of 290

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