MPC5601PEF0VLL4R datasheet(11/95 Pages) FREESCALE

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MPC5602P Microcontroller Data Sheet, Rev. 4.1

Freescale Semiconductor

•

Frequency-modulated PLL

— Modulation enabled/disabled through software

— Triangle wave modulation

•

Programmable modulation depth (±0.25% to ±4% deviation from center frequency): programmable modulation

frequency dependent on reference frequency

•

Self-clocked mode (SCM) operation

1.5.10

Main oscillator

The main oscillator provides these features:

•

Input frequency range: 4–40 MHz

•

Crystal input mode or oscillator input mode

•

PLL reference

1.5.11

Internal RC oscillator

This device has an RC ladder phase-shift oscillator. The architecture uses constant current charging of a capacitor. The voltage

at the capacitor is compared by the stable bandgap reference voltage.

The RC oscillator provides these features:

•

Nominal frequency 16 MHz

•

±5% variation over voltage and temperature after process trim

•

Clock output of the RC oscillator serves as system clock source in case loss of lock or loss of clock is detected by the

PLL

•

RC oscillator is used as the default system clock during startup

1.5.12

Periodic interrupt timer (PIT)

The PIT module implements these features:

•

4 general-purpose interrupt timers

•

32-bit counter resolution

•

Clocked by system clock frequency

•

Each channel usable as trigger for a DMA request

1.5.13

System timer module (STM)

The STM implements these features:

•

One 32-bit up counter with 8-bit prescaler

•

Four 32-bit compare channels

•

Independent interrupt source for each channel

•

Counter can be stopped in debug mode

1.5.14

Software watchdog timer (SWT)

The SWT has the following features:

•

32-bit time-out register to set the time-out period

•

Programmable selection of window mode or regular servicing

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