MPC821 datasheet(146/242 Pages) NXP

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MPC8XXFADS Design Specification—Rev 0.1

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

LocDataBufEn = [UpperHalfEn~,LowerHalfEn~];

PccDataBufEn = [PccEvenEn~,PccOddEn~];

ModuleEn = [DramEn~,FlashEn~,PccEn~,ContRegEn~];

SyncReset = [SyncHardReset~,DSyncHardReset~];

RstCause = [Rst1,Rst0,Abr1,Abr0,RegPORIn~];

Stp = [TA~];

Modck = [Modck2, Modck1];

ConfigHold =[ConfigHold2, ConfigHold1, ConfigHold0];

F_PD = [F_PD4, F_PD3, F_PD2, F_PD1];

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

"* Dram Declarations.

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

DRAM_ENABLE_ACTIVE = 0;

DRAM_ENABLED = (DramEn~ == DRAM_ENABLE_ACTIVE);

SIMM36100 = (SD == 0);

SIMM36200 = (SD == 3);

SIMM36400 = (SD == 2);

SIMM36800 = (SD == 1);

IS_HALF_WORD = (HalfWord~ == 0);

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

"* Flash Declarations.

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

FLASH_ENABLE_ACTIVE = 0;

FLASH_ENABLED = (FlashEn~ == FLASH_ENABLE_ACTIVE);

MCM29020 = (F_PD == 8);

MCM29040 = (F_PD == 7);

MCM29080 = (F_PD == 6);

SM732A1000A = (F_PD == 5);

SM732A2000 = (F_PD == 4);

FLASH_BANK1 = ( (MCM29020 # SM732A1000A) #

(MCM29040 & !A10) #

(MCM29080 & !A9 & !A10) #

(SM732A2000 & !A9) );

FLASH_BANK2 = ( (MCM29040 & A10) #

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

MPC821 датащи(PDF) 146 Page - NXP Semiconductors