MPC8275VR datasheet(6/76 Pages) MOTOROLA

6 / 76 page

MPC8280 PowerQUICC II™ Family Hardware Speciﬁcations

MOTOROLA

Overview

— Four serial communications controllers (SCCs) identical to those on the MPC860, supporting

the digital portions of the following protocols:

– Ethernet/IEEE 802.3 CDMA/CS

– HDLC/SDLC and HDLC bus

– Universal asynchronous receiver transmitter (UART)

– Synchronous UART

– Binary synchronous (BISYNC) communications

– Transparent

— Universal serial bus (USB) controller

– Supports USB 2.0 full/low rate compatible

– USB host mode

–Supports control, bulk, interrupt, and isochronous data transfers

–CRC16 generation and checking

–NRZI encoding/decoding with bit stufﬁng

–Supports both 12- and 1.5-Mbps data rates (automatic generation of preamble token and

data rate conﬁguration). Note that low-speed operation requires an external hub.

–Flexible data buffers with multiple buffers per frame

–Supports local loopback mode for diagnostics (12 Mbps only)

– Supports USB slave mode

–Four independent endpoints support control, bulk, interrupt, and isochronous data

transfers

–CRC16 generation and checking

–CRC5 checking

–NRZI encoding/decoding with bit stufﬁng

–12- or 1.5-Mbps data rate

–Flexible data buffers with multiple buffers per frame

–Automatic retransmission upon transmit error

— Two serial management controllers (SMCs), identical to those of the MPC860

– Provide management for BRI devices as general circuit interface (GCI) controllers in time-

division-multiplexed (TDM) channels

– Transparent

– UART (low-speed operation)

— One serial peripheral interface identical to the MPC860 SPI

— One inter-integrated circuit (I2C) controller (identical to the MPC860 I2C controller)

– Microwire compatible

– Multiple-master, single-master, and slave modes

— Up to eight TDM interfaces (four on the MPC8270)

– Supports two groups of four TDM channels for a total of eight TDMs (one group of four on

the MPC8270 and the MPC8275)

– 2,048 bytes of SI RAM

– Bit or byte resolution

MPC8275VR 数据表(PDF) 6 Page - Motorola, Inc

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