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MC3S12HY64J0CLH

Covers MC9S12HY/HA Family S12 Microcontrollers

Freescale Semiconductor 

Device Overview MC9S12HY/HA-Family

1.3.6 Internal Phase-Locked Loop (IPLL)

• Phase-locked-loop clock frequency multiplier

— No external components required

— Reference divider and multiplier allow large variety of clock rates

— Automatic bandwidth control mode for low-jitter operation

— Automatic frequency lock detector

— Configurable option to spread spectrum for reduced EMC radiation (frequency modulation)

— Reference clock sources:

– External 4–16 MHz resonator/crystal (XOSC)

– Internal 1 MHz RC oscillator (IRC)

1.3.7 System Integrity Support

• Power-on reset (POR)

• System reset generation

• Illegal address detection with reset

• Low-voltage detection with interrupt or reset

• Real time interrupt (RTI)

• Computer operating properly (COP) watchdog

— Configurable as window COP for enhanced failure detection

— Initialized out of reset using option bits located in flash memory

• Clock monitor supervising the correct function of the oscillator

• Temperature sensor

1.3.8 Timer (TIM0)

• 8 x 16-bit channels for input capture

• 8 x 16-bit channels for output compare

• 16-bit free-running counter with 7-bit precision prescaler

• 1 x 16-bit pulse accumulator

1.3.9 Timer (TIM1)

• 8 x 16-bit channels for input capture

• 8 x 16-bit channels for output compare

• 16-bit free-running counter with 7-bit precision prescaler

• 1 x 16-bit pulse accumulator

MC9S12HY/HA-Family Reference Manual, Rev. 1.02

Freescale Semiconductor

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