MPC875 datasheet(7/84 Pages) FREESCALE

7 / 84 page

MPC875/MPC870 Hardware Specifications, Rev. 3.0

Freescale Semiconductor

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

Maximum Tolerated Ratings

The MPC870 block diagram is shown in Figure 2.

Figure 2. MPC870 Block Diagram

Maximum Tolerated Ratings

This section provides the maximum tolerated voltage and temperature ranges for the MPC875/870. Table 2

displays the maximum tolerated ratings, and Table 3 displays the operating temperatures.

Bus

System Interface Unit (SIU)

Embedded

Parallel I/O

Memory Controller

Timers

Interrupt

Controllers

8-Kbyte

Dual-Port RAM

System Functions

8-Kbyte

Instruction Cache

32-Entry ITLB

Instruction MMU

8-Kbyte

Data Cache

32-Entry DTLB

Data MMU

Instruction

Bus

Load/Store

Bus

Unified

4 Baud Rate

Generators

Parallel Interface Port

Internal

Bus Interface

Unit

External

Bus Interface

Unit

Timers

32-Bit RISC Controller

and Program

ROM

Serial Interface

SPI

SMC1

MPC8xx

Processor

Core

Serial Interface

PCMCIA-ATA Interface

Virtual IDMA and

Serial DMAs

DMAs

FIFOs

10/100

MIII / RMII

BaseT

Media Access

Control

Fast Ethernet

Controller

USB

Slave/Master IF

DMAs

I2C

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