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KMPC870ZT133 Datasheet(PDF) 4 Page - Freescale Semiconductor, Inc |
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KMPC870ZT133 Datasheet(HTML) 4 Page - Freescale Semiconductor, Inc |
4 / 84 page MPC875/MPC870 Hardware Specifications, Rev. 3.0 4 PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE Freescale Semiconductor Features — 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) — Allows changes during operation — Autobaud support option • SCC (serial communication controller) — Ethernet/IEEE 802.3 optional on the SCC, 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) —AppleTalk — Universal asynchronous receiver transmitter (UART) — Synchronous UART — Serial infrared (IrDA) — Binary synchronous communication (BISYNC) — Totally transparent (bit streams) — Totally transparent (frame based with optional cyclic redundancy check (CRC)) • SMC (serial management channel) — UART (low-speed operation) — Transparent • Universal serial bus (USB)—Supports operation as a USB function endpoint, a USB host controller, or both for testing purposes (loopback diagnostics) — USB 2.0 full-/low-speed compatible — The USB function mode has the following features: – Four independent endpoints support control, bulk, interrupt, and isochronous data transfers. |
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