MAC7200 datasheet(84/976 Pages) FREESCALE

84 / 976 page

Features

MAC7200 Microcontroller Family Reference Manual, Rev. 2

Freescale Semiconductor

— Clock generation and Reset control performed in CRG.

— Phase-locked loop clock frequency multiplier.

— Self clocking mode available in absence of external clock.

— Software Watchdog Timer (SWT) watchdog.

•

Periodic Interrupt Timer (PIT) Module

— Independent timeout period for each timer.

— Four 32-bit general purpose timers, configurable to generate DMA trigger pulses.

— Four dedicated 32-bit timers to generate DMA trigger pulses.

— Two 32-bit timers that can be configured to generate ATD trigger pulses.

— One 24-bit real-time interrupt (RTI) timer.

— RTI operates from oscillator output clock.

•

Miscellaneous Control Module (MCM)

— Software watchdog timer with programmable system reset or interrupt response.

— Watchdog with optional Windowed mode.

— Access address information for faulted memory accesses.

— NMI configuration

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System Services Module (SSM)

— System configuration and status.

– Memory sizes and status

– Security status

– Device mode

– eDMA status

– Debug Port.

– Nexus Status.

– System Reset.

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General Purpose Input/Output

— Select between GPIO, interrupt or peripheral functionality on a pin-by-pin basis

— Register interface for both port wide and pin data reads and writes

— 6 independent 16-bit ports (Port A, B, C, D, F, G), with each pin having the following features:

– Peripheral or GPIO Mode selection, with up to 3 peripherals per pin

– Input/Output selection

– 5V output drive with three selectable slew rates (Disabled, Slow, Fast)

– 5V digital inputs

– Selectable pull-up or pull-down

– Selectable open drain for wired-or connections

– Selectable interrupt capability (with glitch filtering and interrupt mask)

— Control of ATD digital inputs (Port E)

MAC7200 Datasheet(PDF) 84 Page - Freescale Semiconductor, Inc

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