M30620FCAFP datasheet(328/615 Pages) RENESAS

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Timer A

Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

2-11

Figure 2.2.5. Timer A-related registers (4)

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

Nothing is assigned.

In an attempt to write to these bits, write “0”. The value, if read, turns out to be

indeterminate.

TA1TGL

Symbol

Address

When reset

TRGSR

038316

0016

Timer A1 event/trigger

select bit

0 0 : Input on TA1IN is selected (Note)

0 1 : TB2 overflow is selected

1 0 : TA0 overflow is selected

1 1 : TA2 overflow is selected

Trigger select register

Bit name

Function

Bit symbol

0 0 : Input on TA2IN is selected (Note)

0 1 : TB2 overflow is selected

1 0 : TA1 overflow is selected

1 1 : TA3 overflow is selected

0 0 : Input on TA3IN is selected (Note)

0 1 : TB2 overflow is selected

1 0 : TA2 overflow is selected

1 1 : TA4 overflow is selected

0 0 : Input on TA4IN is selected (Note)

0 1 : TB2 overflow is selected

1 0 : TA3 overflow is selected

1 1 : TA0 overflow is selected

Timer A2 event/trigger

select bit

Timer A3 event/trigger

select bit

Timer A4 event/trigger

select bit

TA1TGH

TA2TGL

TA2TGH

TA3TGL

TA3TGH

TA4TGL

TA4TGH

b1 b0

b3 b2

b5 b4

b7 b6

Note: Set the corresponding port direction register to “0”.

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