MPC852T datasheet(5/88 Pages) FREESCALE

5 / 88 page

MPC862/857T/857DSL PowerQUICC™ Family Hardware Specifications, Rev. 3

Freescale Semiconductor

Features

— 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))

•

Two SMCs (serial management channels) (The MPC857DSL has one SMC, SMC1 for UART)

— UART

— Transparent

— General circuit interface (GCI) controller

— Can be connected to the time-division multiplexed (TDM) channels

•

One serial peripheral interface (SPI)

— Supports master and slave modes

— Supports multiple-master operation on the same bus

•

One inter-integrated circuit (I2C) port

— Supports master and slave modes

— Multiple-master environment support

•

Time-slot assigner (TSA) (The MPC857DSL does not have the TSA)

— Allows SCCs and SMCs to run in multiplexed and/or non-multiplexed operation

— Supports T1, CEPT, PCM highway, ISDN basic rate, ISDN primary rate, user defined

— 1- or 8-bit resolution

— Allows independent transmit and receive routing, frame synchronization, clocking

— Allows dynamic changes

— On the MPC862P and MPC862T, can be internally connected to six serial channels (four SCCs

and two SMCs); on the MPC857T, can be connected to three serial channels (one SCC and two

SMCs)

•

Parallel interface port (PIP)

— Centronics interface support

— Supports fast connection between compatible ports on MPC862/857T/857DSL or MC68360

•

PCMCIA interface

— Master (socket) interface, release 2.1 compliant

— Supports one or two PCMCIA sockets dependent upon whether ESAR functionality is enabled

— 8 memory or I/O windows supported

•

Low power support

— Full on—All units fully powered

— Doze—Core functional units disabled except time base decrementer, PLL, memory controller,

RTC, and CPM in low-power standby

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