MPC821 datasheet(142/242 Pages) NXP

142 / 242 page

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MPC8XXFADS Design Specification—Rev 0.1

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

"******************************************************************************

"* Flash Associated Pins.

"******************************************************************************

F_PD1PIN 7;

F_PD2PIN 65;

F_PD3PIN 41;

F_PD4PIN 25;

FlashCs~ PIN 49;" flash bank chip-select

FlashEn~PIN 15;" flash enable from control reg.

FlashCs1~PIN 12 istype 'com';" Flash bank1 chip-select

FlashCs2~PIN 22 istype 'com';" Flash bank2 chip-select

FlashCs3~PIN 57 istype 'com';" Flash bank3 chip-select

FlashCs4~PIN 24 istype 'com';" Flash bank4 chip-select

FlashOe~PIN 58 istype 'com';" Flash output enable.

"******************************************************************************

"* Control Register pins

"******************************************************************************

ContRegCs~PIN 59;" control register cs from MPC8XX

ContRegEn~PIN 56;" control register enable from control register.

"******************************************************************************

"* Reset & Interrupt Logic Pins.

"******************************************************************************

Rst0

PIN 13;

" connected to N.C. of

Reset P.B.

Rst1

PIN 21;

" connected to N.O. of

Reset P.B.

!RegPORIn~PIN 9;

" Regular Power On Reset In. (H)

HardReset~PIN 48 istype 'com';

" Actual hard reset output (O.D.)

SoftReset~PIN 40 istype 'com';

" Actual soft reset output (O.D.)

ResetConfig~PIN 67 istype 'com';

" Drives the RSTCONF* signal of the MPC8XX.

DriveConfig~PIN 63 istype 'com';" Drives configuration data to the MPC8XX

Abr0 PIN 10;

" connected to N.C. of

Abort P.B.

Abr1 PIN 11;

" connected to N.O. of

Abort P.B.

NMIEnNODE istype 'com';

" enables T.S. NMI pin

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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