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DM9161A Datasheet(PDF) 7 Page - Davicom Semiconductor, Inc. |
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DM9161A Datasheet(HTML) 7 Page - Davicom Semiconductor, Inc. |
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7 / 45 page  DM9161A 10/100 Mbps Fast Ethernet Physical Layer Single Chip Transceiver 7 Final Version: DM9161A-DS-F01 October 16, 2009 34 RXCLK /10BTSER O, Z, LI (U) Receive Clock The received clock provides the timing reference for the transfer of the RXDV, RXD, and RXER. RXCLK is provided by PHY. The PHY may recover the RXCLK reference from the received data or it may derive the RXCLK reference from a nominal clock 25MHz in 100Mbps MII mode, 2.5MHz in 10Mbps MII mode, 10MHz in 10Mbps GPSI (7-Wired) mode 10BTSER only support for 10M mode; (power up reset latch input) 0 = GPSI (7-Wired) mode in 10M mode 1 = MII mode in 10M mode 35 CRS /PHYAD[4] O, Z, LI (D) Carrier Sense Detect/ PHYAD[4] Asserted high to indicate the presence of carrier due to receive or transmit activities in half-duplex mode of 10BASE-T or 100BASE-TX. In repeater mode or full-duplex mode, this signal is asserted high to indicate the presence of carrier due to receive activity only This pin is also used as PHYAD [4] (power up reset latch input) PHY address sensing input pin 36 COL /RMII O, Z, LI (D) Collision Detection Asserted high to indicate the detection of the collision conditions in half-duplex mode of 10Mbps and 100Mbps. In full-duplex mode, this signal is always logical 0 Reduced MII enable: This pin is also used to select Normal MII or Reduced MII. (power up reset latch input) 0= Normal MII (default) 1= Reduced MII This pin is always pulled low except used as reduced MII 37 RXDV /TESTMODE O, Z, LI (D) Receive Data Valid Asserted high to indicate that the valid data is presented on the RXD [0:3] Test mode control pin (power up reset latch input) 0 = normal operation (default) 1 = enable test mode 38 RXER/RXD[4] /RPTR O, Z, LI (D) Receive Data Error/The Fifth RXD Data Bit of the 5B Symbol Asserted high to indicate that an invalid symbol has been detected In decoder bypass mode (bypass BP4B5B), RXER becomes RXD [4], the fifth RXD data bit of the 5B symbol This pin is also used to select Repeater or Node mode. (power up reset latch input) 0 = Node Mode (default) 1 = Repeater Mode 31 LEDMODE I LED MODE Select Reference LED function description 0: support Dual-LED 1: Normal LED 40 RESET# I Reset Active low input that initializes the DM9161A. |
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Similar Description - DM9161A |
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