MC9S12HY64 Datasheet, PDF(256/792 Page) Freescale Semiconductor, Inc – S12 Microcontrollers

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MC9S12HY64 Datasheet, PDF (256/792 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

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S12 Clock, Reset and Power Management Unit (S12CPMU) Block Description

Table 7-19. Selectable Autonomous Periodical Interrupt Periods

APICLK

APIR[15:0]

0

0000

0

0001

0

0002

0

0003

0

0004

0

0005

0

.....

0

FFFD

0

FFFE

0

FFFF

1

0000

1

0001

1

0002

1

0003

1

0004

1

0005

1

.....

1

FFFD

1

FFFE

1

FFFF

1 When fACLK is trimmed to 10KHz.

Selected Period

0.2 ms1

0.4 ms1

0.6 ms1

0.8 ms1

1.0 ms1

1.2 ms1

.....

13106.8 ms1

13107.0 ms1

13107.2 ms1

2 * Bus Clock period

4 * Bus Clock period

6 * Bus Clock period

8 * Bus Clock period

10 * Bus Clock period

12 * Bus Clock period

.....

131068 * Bus Clock period

131070 * Bus Clock period

131072 * Bus Clock period

MC9S12HY/HA-Family Reference Manual, Rev. 1.04

256

Freescale Semiconductor

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