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MPC561CZP56 Datasheet(PDF) 2 Page - Motorola, Inc |
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MPC561CZP56 Datasheet(HTML) 2 Page - Motorola, Inc |
2 / 12 page MPC561/MPC563 PRODUCT BRIEF MOTOROLA 2 — Decrementer — Time base • Clock synthesizer • Power management • Reset controller • External bus interface that tolerates 5-V inputs, provides 2.6-V outputs and supports multiple-mas- ter designs • Enhanced interrupt controller that supports up to eight external and 40 internal interrupts, simpli- fies the interrupt structure and decreases interrupt processing time • USIU supports dual mapping to map part of one internal/external memory to another external memory • USIU supports dual mapping of flash on MPC563 and MPC564 to move part of internal flash mem- ory to external bus for development • External bus, supporting non-wraparound burst for instruction fetches, with up to 8 instructions per memory cycle Burst Buffer Controller (BBC) Module • Support for enhanced interrupt controller (EIC) • Support for enhanced exception table relocation feature • Branch target buffer • Contains 2-Kbytes of decompression RAM (DECRAM) for code compression. This RAM may also be used as general-purpose RAM when code compression feature not used. Flexible Memory Protection Unit • Flexible memory protection units (MPU) in BBC and L2U • Default attributes available in one global entry • Attribute support for speculative accesses • Up to eight memory regions are supported, four for data and four for instructions Memory Controller • Four flexible chip selects via memory controller • 24-bit address and 32-bit data buses • 4-Kbyte to one 16-Mbyte (data) or four-Gbyte (instruction) region size support • Supports enhanced external burst • Up to eight-beat transfer bursts, two-clock minimum bus transactions • Use with SRAM, EPROM, flash and other peripherals • Byte selects or write enables • 32-bit address decodes with bit masks • Four regions 512-Kbytes of CDR3 Flash EEPROM Memory (UC3F) – MPC563 Only • One 512-Kbyte module • Page read mode • Block (64 Kbytes) erasable • External 4.75- to 5.25-V VFLASH power supply for program, erase, and read operations 32-Kbyte static RAM (CALRAM) • Composed of one 32-Kbyte CALRAM module — 28-Kbyte static RAM — 4-Kbyte calibration (overlay) RAM feature that allows calibration of flash-based constants • Eight 512-byte overlay regions • One clock fast accesses • Two-clock cycle access option for power saving • Keep-alive power (VDDSRAM) for data retention |
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