M306V2EEFS datasheet(92/271 Pages) RENESAS

92 / 271 page

Rev.1.40

Oct 06, 2004 page 92 of 269

M306V2ME-XXXFP, M306V2EEFP

Symbol

Address

When reset

CPSRF

038116

0XXXXXXX2

Clock prescaler reset flag

Bit name

Function

Bit symbol

b7b6

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.

Symbol

Address

When reset

TABSR

038016

0016

Count start flag

Bit name

Bit symbol

b7b6

Timer B2 count start flag

Timer B1 count start flag

Timer B0 count start flag

Timer A4 count start flag

Timer A3 count start flag

Timer A2 count start flag

Timer A1 count start flag

Timer A0 count start flag

0 : Stops counting

1 : Starts counting

TB2S

TB1S

TB0S

TA4S

TA3S

TA2S

TA1S

TA0S

Function

Figure 2.10.20 Clock prescaler reset flag

Figure 2.10.18 Timer Bi register (i = 0 to 2)

Figure 2.10.19 Count start flag

Symbol

Address

When reset

TB0

039116, 039016

Indeterminate

TB1

039316, 039216

Indeterminate

TB2

039516, 039416

Indeterminate

b7b0 b7 b0

(b15)

(b8)

Timer Bi register (Note)

• Pulse period / pulse width measurement mode

Measures a pulse period or width

• Timer mode

000016 to FFFF16

Counts the timer's period

Function

Values that can be set

• Event counter mode

000016 to FFFF16

Counts external pulses input or a timer overflow

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

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