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MPC8540PX667JC Datasheet(PDF) 4 Page - Freescale Semiconductor, Inc |
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MPC8540PX667JC Datasheet(HTML) 4 Page - Freescale Semiconductor, Inc |
4 / 104 page MPC8540 Integrated Processor Hardware Specifications, Rev. 4 4 Freescale Semiconductor Overview — Read-modify-write support for RapidIO atomic increment, decrement, set, and clear transactions — Sleep mode support for self refresh SDRAM — Supports auto refreshing — On-the-fly power management using CKE signal — Registered DIMM support — Fast memory access via JTAG port — 2.5-V SSTL2 compatible I/O • RapidIO interface unit — 8-bit RapidIO I/O and messaging protocols — Source-synchronous double data rate (DDR) interfaces — Supports small type systems (small domain, 8-bit device ID) — Supports four priority levels (ordering within a level) — Reordering across priority levels — Maximum data payload of 256 bytes per packet — Packet pacing support at the physical layer — CRC protection for packets — Supports atomic operations increment, decrement, set, and clear — LVDS signaling • RapidIO–compliant message unit — One inbound data message structure (inbox) — One outbound data message structure (outbox) — Supports chaining and direct modes in the outbox — Support of up to 16 packets per message — Support of up to 256 bytes per packet and up to 4 Kbytes of data per message — Supports one inbound doorbell message structure • Programmable interrupt controller (PIC) — Programming model is compliant with the OpenPIC architecture — Supports 16 programmable interrupt and processor task priority levels — Supports 12 discrete external interrupts — Supports 4 message interrupts with 32-bit messages — Supports connection of an external interrupt controller such as the 8259 programmable interrupt controller — Four global high resolution timers/counters that can generate interrupts — Supports 22 other internal interrupt sources — Supports fully nested interrupt delivery — Interrupts can be routed to external pin for external processing |
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