TMP93CS44 datasheet(89/224 Pages) TOSHIBA

89 / 224 page

TMP93CS44/S45

2004-02-10

93CS44-87

Timer Operation Control Register

Bit symbol

PRRUN

T5RUN

T4RUN

T3RUN

T2RUN

T1RUN

T0RUN

TRUN

(0020H)

Read/Write

R/W

After reset

Function

Prescaler and timer run/stop control

0: Stop and clear

1: Run (Count up)

PRRUN: Operation of prescaler

T5RUN : Operation of 16-bit timer (Timer 5)

T4RUN : Operation of 16-bit timer (Timer 4)

T3RUN : Operation of 8-bit timer (Timer 3)

T2RUN : Operation of 8-bit timer (Timer 2)

T1RUN : Operation of 8-bit timer (Timer 1)

T0RUN : Operation of 8-bit timer (Timer 0)

Note: TRUN<Bit6> is always read as “1”.

System Clock Control Register

Bit symbol

XEN

XTEN

RXEN

RXTEN

RSYSCK

WUEF

PRCK1

PRCK0

SYSCR0

(006EH)

Read/Write

R/W

After reset

Function

High-frequency

oscillator (fc)

0: Stop

1: Oscillation

Low-frequency

oscillator (fs)

0: Stop

1: Oscillation

High-frequency

oscillator (fc)

after released

STOP mode

0: Stop

1: Oscillation

Low-frequency

oscillator (fs)

after released

STOP mode

0: Stop

1: Oscillation

Select clock

after released

STOP mode

0: fc

1: fs

Warm-up

timer (Write)

0: Don’t care

1: Start timer

(Read)

0: End

warm up

1: Not end

warm up

Select prescaler clock

00: fFPH

01: fs

10: fc/16

11: (Reserved)

Figure 3.7.5 8-Bit Timer Related Registers (1/5)

Select prescaler input clock

fFPH

fc/16

(Reserved)

Count operation

Stop and clear

Count

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