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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC821 датащи(PDF) 100 Page - NXP Semiconductors |
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MPC821 датащи(HTML) 100 Page - NXP Semiconductors |
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100 / 242 page  Support Information MPC8XXFADS Design Specification—Rev 0.1 PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE A•2 U11 - Board Control & Status Register "****************************************************************************** "* In this file (6): "* - Added board revision # at BCSR3: 0 ENG "* 1 - PILOT. "* - Flash Presence detect lines - added FlashPD(7:5). "* - Changed polarity of Power-On Reset (now active high) "* - DramEn becomes active-low to enhance debug-station support changes. "****************************************************************************** "* In this file (7): "* - Board revisiob code @ BCSR3 is changed to 2 - Rev A. "****************************************************************************** "* In this file (8): "* - Board revisiob code @ BCSR3 is changed to 3 - Rev B. "* - Added RS232En2~ for 2'nd RS232 port. "****************************************************************************** "* In this file (9): "* - All status bits (except CntRegEnProtect~) are removed for external buffers. "* - Added address line A27 "* - Added BCSR2CS~ and BCSR3CS~ for external status registers. "* - Added controls on bcsr1: "* - SdramEn~ "* - PccVcc1~ "* - Added BCSR4 with following controls: "* - UsbUtpFethEn~ (bit 0) enables Usb or Utopia or Fast Ethernet ports "* - UsbSpeed (bit 1) Usb speed control ('1'- full speed) "* - UsbVcc0(bit 2) enables VCC for Usb channel "* - UsbVcc1 (bit 3) reserved for possible 3.3V usb power "* - VideoOn~(bit 4) enables video transceiver "* - VideoExtClkEn (bit 5) enables ext 27Mhz clock for video encoder "* - VideoRst~(bit 6) resets the video encoder. "* - SignaLamp(bit 7) used for s/w signaling to user. "****************************************************************************** "* In this file (10): "* - Added ethernet transceiver control signals to BCSR4: "* - EthLoop (bit 8) sets the transceiver to internal loopback (H) "* - TPFFLDL~ (bit 9) sets the trans. to full-duplex mode. (L) "* - TPSQEL~ (bit 10) allows for testing the colission ciruitry "* of the 68160. "* - ModemEne~ (bit 11) enables the modem tool with the MPC823FADSDB "* - Modem_Audio~ (bit 12) selects between modem / audio function for Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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