M30201 datasheet(80/415 Pages) RENESAS

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Mitsubishi microcomputers

M30201 Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Timer X

Figure 1.59. Timer X-related registers (3)

Symbol

Address

When reset

CPSRF

038116

0XXXXXXX2

Clock prescaler reset flag

Bit name

Function

Bit symbol

b3 b2

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.

TA0TGL

Symbol

Address

When reset

TRGSR

038316

0016

Timer A0 event/trigger

select bit

0 0 : Input on TA0IN is selected (Note)

0 1 : TB1 overflow is selected

1 0 : TX2 overflow is selected

1 1 : TX0 overflow is selected

Trigger select register

Bit name

Function

Bit symbol

b7 b6

b2 b1

0 0 : Input on TX0INOUT is selected (Note)

0 1 : TB1 overflow is selected

1 0 : TA0 overflow is selected

1 1 : TX1 overflow is selected

0 0 : Input on TX1INOUT is selected (Note)

0 1 : TB1 overflow is selected

1 0 : TX0 overflow is selected

1 1 : TX2 overflow is selected

0 0 : Input on TX2INOUT is selected (Note)

0 1 : TB1 overflow is selected

1 0 : TX1 overflow is selected

1 1 : TA0 overflow is selected

Timer X0 event/trigger

select bit

Timer X1 event/trigger

select bit

Timer X2 event/trigger

select bit

TA0TGH

TX0TGL

TX0TGH

TX1TGL

TX1TGH

TX2TGL

TX2TGH

b1 b0

b3 b2

b5 b4

b7 b6

Note: Set the corresponding port direction register to “0”(input mode).

TX0OS

TX1OS

TA0OS

One-shot start flag

Symbol

Address

When reset

ONSF

038216

XXXX00002

Timer A0 one-shot start flag

Timer X0 one-shot start flag

Timer X1 one-shot start flag

Timer X2 one-shot start flag

TX2OS

Bit name

Function

Bit symbol

b6 b5

Nothing is assigned.

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

to be indeterminate.

1 : Timer start

When read, the value is “0”

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