MPC862T datasheet(8/88 Pages) FREESCALE

8 / 88 page

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

Freescale Semiconductor

Maximum Tolerated Ratings

Figure 2. MPC857T/MPC857DSL Block Diagram

Maximum Tolerated Ratings

This section provides the maximum tolerated voltage and temperature ranges for the

MPC862/857T/857DSL. Table 2 provides the maximum ratings.

Table 2. Maximum Tolerated Ratings

(GND = 0 V)

Rating

Symbol

Value

Unit

Max Freq

(MHz)

Supply voltage 1

VDDH

-0.3 to 4.0

VDDL

-0.3 to 4.0

KAPWR

-0.3 to 4.0

VDDSYN

-0.3 to 4.0

Bus

System Interface Unit (SIU)

Embedded

Parallel I/O

Memory Controller

Timers

Interrupt

Controllers

8-Kbyte

Dual-Port RAM

Serial

and

Independent

DMA

Channels

System Functions

Real-Time Clock

PCMCIA/ATA Interface

4-Kbyte

Instruction Cache

32-Entry ITLB

Instruction MMU

4-Kbyte

Data Cache

32-Entry DTLB

Data MMU

Instruction

Bus

Load/Store

Bus

Unified

4 Baud Rate

Generators

Parallel Interface Port

and UTOPIA

Internal

Bus Interface

Unit

External

Bus Interface

Unit

Timers

32-Bit RISC Controller

and Program

ROM

SCC1

Serial Interface

I2C

SPI

SMC2*

SMC1

Time Slot Assigner

MPC8xx

Processor

Core

DMAs

FIFOs

10/100

MII

Base-T

Media Access

Time Slot Assigner

Control

Fast Ethernet

Controller

*The MPC857DSL does not contain SMC2 nor the Time Slot Assigner, and provides eight SDMA controllers.

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