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DM9161CIEP Datasheet(PDF) 9 Page - Davicom Semiconductor, Inc. |
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DM9161CIEP Datasheet(HTML) 9 Page - Davicom Semiconductor, Inc. |
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9 / 47 page  DM9161CI 10/100 Mbps Fast Ethernet Physical Layer Single Chip Transceiver 9 Final Version: DM9161CIIII-DS-F01 February 22, 2012 5.2 Media Interface Pin No. Pin Name I/O Description 3,4 RX+ RX- I/O Differential Receive Pair Differential data is received from the media 7,8 TX+ TX- I/O Differential Transmit Pair/PECL Transmit Pair Differential data is transmitted to the media in TP mode PECL data is transmitted to the media in Fiber mode 5.3 LED Interface Pin No. Pin Name I/O Description 11 LED0 /OP0 O, LI (U) LED Driver output 0 OP0: (power up reset latch input) This pin is used to control the forced or advertised operating mode of the DM9161CI according to the Table A. The value is latched into the DM9161CI registers at power-up/reset 12 LED1 /OP1 O, LI (U) LED Driver output 1 OP1: (power up reset latch input) This pin is used to control the forced or advertised operating mode of the DM9161CI according to the Table A. The value is latched into the DM9161CI registers at power-up/reset 13 LED2 /OP2 O, LI (U) LED Driver output 2 OP2: (power up reset latch input) This pin is used to control the forced or advertised operating mode of the DM9161CI according to the Table A. The value is latched into the DM9161CI registers at power-up/reset 5.4 Mode Pin No. Pin Name I/O Description 10 PWRDWN I Power Down Control Asserted high to force the DM9161CI into power down mode. When in power down mode, most of the DM9161CI circuit block’s power is turned off, only the MII management interface (MDC, MDIO) logic is available (the PHY should respond to management transactions and should not generate spurious signals on the MII)). To leave power down mode, the DM9161CI needs the hardware or software reset with the PWRDWN pin low 14 CABLESTS /LINKSTS O, LI (D) Cable Status or Link Status This pin is used to indicate the status of the cable connection when power up reset latch low (Default) 0 = Without cable connection 1 = With cable connection This pin is used to indicate the status of the Link connection when power up reset latch high 0 = With link 1 = Without link 39 DISMDIX I (D) HP Auto-MDIX Control 1: Disable auto mode 0: Enable HP Auto-MDIX mode 45 NC - Not connect |
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