MAC7200 datasheet(80/976 Pages) FREESCALE

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Features

MAC7200 Microcontroller Family Reference Manual, Rev. 2

Freescale Semiconductor

— Byte (8-bit), Halfword (16-bit), Word (32-bit) data types supported.

— Cores and Memory connected using high performance AMBA AHB bus.

— Integrated E-ICE module for debug

•

Memory size

— 320k Bytes (MAC72x2) or 512k Bytes (MAC72x1) of wide accessed

Program Flash EEPROM.

– 4 Flash page buffers all 128-bits wide and individually configurable as either Instruction or

Data buffers.

– Page buffers can be configured to enable fetch ahead and either least recently used or

counter based buffer replacement schemes.

– Program & erase operations controlled by state machine.

– Internally generated program and erase voltages.

– ECC enabled array with 2-bit error detection, 1-bit error correction providing transparent

operation.

– 64-bit minimum write size.

– Flash configuration suitable for EEPROM emulation.

– Read or Program/Erase access on flash partition basis.

– Flash BIU support for access protection for User/Supervisor mode and Instruction/Data

accesses.

– Protection violation flag.

– Flash Lockout recovery mechanism though JTAG interface.

– 100K W/E endurance.

– 20 year data retention.

— 20k Byte (MAC72x2) or 32k Bytes (MAC72x1) RAM

– Single cycle accesses to RAM for Byte, Halfword and Word reads and writes.

– ECC enabled array with 2-bit error detection, 1-bit error correction.

•

Interrupt Controller

— 64 vectored interrupt sources.

— Interrupt sources available from internal peripherals, eDMA controller, software watchdog

timer and external sources.

— Supports 16 interrupt levels (0-15) with 64 priorities per level (1-64), to allow maximum

flexibility in configuring the system. Every interrupt source can be programmed to any

interrupt level. Priorities within a level are hard-coded in the MCU.

— Multiple level interrupt nesting.

— Hardware support for first nesting level.

— Normal and Fast interrupts supported with software programmability of sources for both Fast

and Normal Interrupts

•

Enhanced Direct Memory Access Controller (eDMA)

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