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MPC821 датащи(PDF) 85 Page - NXP Semiconductors

номер детали MPC821
подробное описание детали  Design Specification
PDF  242 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

MPC821 датащи(HTML) 85 Page - NXP Semiconductors

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Support Information
MPC8XXFADS Design Specification—Rev 0.1
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
"******************************************************************************
ADS_REQ_ACTIVE = 1;
"The other state is -
!ADS_REQ_ACTIVE
HOST_READ_ADI
= ( (AdsSelect~.fb==BOARD_IS_SELECTED) &
(DS_HstAck.fb==HOST_ACK_ACTIVE) &
(AdsReq==ADS_REQ_ACTIVE) &
(HstReq==!HOST_REQ_ACTIVE) );
HOST_READ_ADI_DATA
= ( (AdsSelect~.fb==BOARD_IS_SELECTED) &
(DS_HstAck.fb==HOST_ACK_ACTIVE) &
(HstReq==!HOST_REQ_ACTIVE) &
(AdsReq==ADS_REQ_ACTIVE) &
(D_C~==DATA) );
HOST_READ_ADI_CONTROL
= ( (AdsSelect~.fb==BOARD_IS_SELECTED) &
(DS_HstAck.fb==HOST_ACK_ACTIVE) &
(HstReq==!HOST_REQ_ACTIVE) &
(AdsReq==ADS_REQ_ACTIVE) &
(D_C~==CONTROL) );
ADS_SEND_STATUS
= ( (AdsSelect~.fb==BOARD_IS_SELECTED) &
(DS_HstReq.fb == !HOST_REQ_ACTIVE) &
(D_C~==CONTROL) &
(AdsAck==ADS_ACK_ACTIVE) &
IS_STATUS_REQUEST );
"******************************************************************************
"* ADI Data Bus definitions
"******************************************************************************
DATA_BUFFERS_ENABLE
= ( (AdsSelect~.fb==BOARD_IS_SELECTED) &
(HstAck==HOST_ACK_ACTIVE) &
(HstReq==!HOST_REQ_ACTIVE) );
STATUS_WORD_ON_ADI_BUS
= ( (AdsSelect~.fb==BOARD_IS_SELECTED) &
(HstAck==HOST_ACK_ACTIVE) &
(HstReq==!HOST_REQ_ACTIVE) &
(D_C~==CONTROL) );
READ_DATA_WORD_ON_ADI_BUS
= ( (AdsSelect~.fb==BOARD_IS_SELECTED) &
(HstAck==HOST_ACK_ACTIVE) &
(HstReq==!HOST_REQ_ACTIVE) &
(D_C~== DATA) );
"******************************************************************************
"* Vfls / Frz select definitions
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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