MPC821 datasheet(110/242 Pages) NXP

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Support Information

MPC8XXFADS Design Specification—Rev 0.1

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

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

"* BCSR 1 definitions.

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

HALF_WORD = 0;

ETH_ENABLED = 0;

DRAM_ENABLED = 0;

CONT_REG_ENABLE = 0;

RS232_1_ENABLE = 0;

RS232_2_ENABLE = 0;

PCC_ENABLE = 0;

PCC_VCC_CONT_0 = 0;

PCC_VCC_CONT_1 = 1;

PCC_VPP0 = 1;

PCC_VPP1 = 1;

FLASH_ENABLED = 0;

INF_RED_ENABLE = 0;

"* FLASH_CFG_ENABLE = 0;

needed to be defined ealier

DRAM_5V = 0;

DRAM_3V = !DRAM_5V;

CNT_REG_EN_PROTECT = 0; " inadvertant write protect

SDRAM_ENABLED = 1;

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

"******* Power On Defaults Assignments *********

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

FLASH_ENABLE_PON_DEFAULT = FLASH_ENABLED;

FLASH_CFG_ENABLE_PON_DEFAULT = !FLASH_CFG_ENABLE;

DRAM_ENABLE_PON_DEFAULT = DRAM_ENABLED;

ETH_ENABLE_PON_DEFAULT = !ETH_ENABLED;

CONT_REG_ENABLE_PON_DEFAULT = CONT_REG_ENABLE;

RS232_1_ENABLE_PON_DEFAULT = !RS232_1_ENABLE;

RS232_2_ENABLE_PON_DEFAULT = !RS232_2_ENABLE;

PCC_ENABLE_PON_DEFAULT = !PCC_ENABLE;

PCC_VCC_0_PON_DEFAULT = PCC_VCC_CONT_0;

PCC_VCC_1_PON_DEFAULT = PCC_VCC_CONT_0;

PCC_VPP0_PON_DEFAULT = PCC_VPP0;

PCC_VPP1_PON_DEFAULT = PCC_VPP1;

" T.S. as default

INF_RED_ENABLE_PON_DEFAULT = !INF_RED_ENABLE;

HALF_WORD_PON_DEFAULT = !HALF_WORD;

SDRAM_ENABLE_PON_DEFAULT = SDRAM_ENABLED;

CNT_REG_EN_PROTECT_PON_DEFAULT = CNT_REG_EN_PROTECT;

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

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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