MC68HC705P9 Datasheet, PDF(106/160 Page) Motorola, Inc – HCMOS Microcontroller Unit　

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MC68HC705P9 Datasheet, PDF (106/160 Pages) Motorola, Inc – HCMOS Microcontroller Unit　

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Timer

Freescale Semiconductor, Inc.

INTERNAL

BUS CLOCK

INTERNAL

RESET

ï£±

ï£´

T00

ï£´

ï£´

TIMER

ï£´

ï£´

T01

ï£²

CLOCKS ï£´

ï£´ T10

ï£´

ï£´

ï£´

ï£³ï£´

T11

16-BIT

COUNTER

RESET (EXTERNAL

OR END OF POR)

$FFFC

$FFFD

$FFFE

Figure 9-6. Timer Reset Timing

$FFFF

INTERNAL

BUS CLOCK

ï£±

ï£´

T00

ï£´

ï£´

TIMER

ï£´

ï£´

T01

ï£²

CLOCKS ï£´

ï£´ T10

ï£´

ï£´

ï£´

ï£³ï£´

T11

16-BIT

COUNTER

$FFEB

$FFEC

$FFED

$FFEE

$FFEF

INPUT CAPTURE

EDGE

INPUT CAPTURE

LATCH

INPUT CAPTURE

REGISTER

PREVIOUSLY CAPTURED VALUE

$FFED

INPUT CAPTURE

FLAG

Note:

If the input capture edge occurs in the shaded area between T10 states, then the input capture

flag becomes set during the next T11 state.

Figure 9-7. Input Capture Timing

Technical Data

106

Timer

For More Information On This Product,

Go to: www.freescale.com

MC68HC705P9 â Rev. 4.0

MOTOROLA

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