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KMPC885 数据表(PDF) 4 Page - Freescale Semiconductor, Inc |
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KMPC885 数据表(HTML) 4 Page - Freescale Semiconductor, Inc |
4 / 92 page MPC885/MPC880 Hardware Specifications, Rev. 3 4 Freescale Semiconductor Features — Advanced encryption standard unit (AESU) – Implements the Rinjdael symmetric key cipher – ECB, CBC, and counter modes – 128-, 192-, and 256- bit key lengths — Message digest execution unit (MDEU) – SHA with 160- or 256-bit message digest – MD5 with 128-bit message digest – HMAC with either algorithm — Crypto-channel supporting multi-command descriptor chains — Integrated controller managing internal resources and bus mastering — Buffer size of 256 bytes for the DEU, AESU, and MDEU, with flow control for large data sizes • Interrupts — Six external interrupt request (IRQ) lines — 12 port pins with interrupt capability — 23 internal interrupt sources — Programmable priority between SCCs — Programmable highest priority request • Communications processor module (CPM) — RISC controller — Communication-specific commands (for example, GRACEFUL STOP TRANSMIT, ENTER HUNT MODE, and RESTART TRANSMIT ) — Supports continuous mode transmission and reception on all serial channels — 8-Kbytes of dual-port RAM — Several serial DMA (SDMA) channels to support the CPM — Three parallel I/O registers with open-drain capability •On-chip 16 × 16 multiply accumulate controller (MAC) — One operation per clock (two-clock latency, one-clock blockage) — MAC operates concurrently with other instructions — FIR loop—Four clocks per four multiplies • Four baud rate generators — Independent (can be connected to any SCC or SMC) — Allow changes during operation — Autobaud support option • Up to three serial communication controllers (SCCs) supporting the following protocols: — Serial ATM capability on SCCs — Optional UTOPIA port on SCC4 — Ethernet/IEEE 802.3 optional on the SCC(s) supporting full 10-Mbps operation — HDLC/SDLC — HDLC bus (implements an HDLC-based local area network (LAN)) — Asynchronous HDLC to support point-to-point protocol (PPP) |
类似零件编号 - KMPC885 |
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类似说明 - KMPC885 |
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