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RC32434-266BC Datasheet(PDF) 8 Page - Integrated Device Technology |
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RC32434-266BC Datasheet(HTML) 8 Page - Integrated Device Technology |
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8 / 53 page  8 of 53 January 19, 2006 IDT RC32434 SDI I/O Serial Data Input. This signal is used to shift in serial data. This pin may be used as a bit input/output port. SDO I/O Serial Data Output. This signal is used shift out serial data. I2C Bus Interface SCL I/O I2C Clock. I2C-bus clock. SDA I/O I2C Data Bus. I2C-bus data bus. Ethernet Interfaces MIICL I Ethernet MII Collision Detected. This signal is asserted by the ethernet PHY when a collision is detected. MIICRS I Ethernet MII Carrier Sense. This signal is asserted by the ethernet PHY when either the transmit or receive medium is not idle. MIIRXCLK I Ethernet MII Receive Clock. This clock is a continuous clock that provides a timing reference for the reception of data. This pin also functions as the RMII REF_CLK input. MIIRXD[3:0] I Ethernet MII Receive Data. This nibble wide data bus contains the data received by the ethernet PHY. This pin also functions as the RMII RXD[1:0] input. MIIRXDV I Ethernet MII Receive Data Valid. The assertion of this signal indicates that valid receive data is in the MII receive data bus. This pin also functions as the RMII CRS_DV input. MIIRXER I Ethernet MII Receive Error. The assertion of this signal indicates that an error was detected somewhere in the ethernet frame currently being sent in the MII receive data bus. This pin also functions as the RMII RX_ER input. MIITXCLK I Ethernet MII Transmit Clock. This clock is a continuous clock that provides a timing reference for the transfer of transmit data. MIITXD[3:0] O Ethernet MII Transmit Data. This nibble wide data bus contains the data to be transmitted. This pin also functions as the RMII TXD[1:0] output. MIITXENP O Ethernet MII Transmit Enable. The assertion of this signal indicates that data is present on the MII for transmission. This pin also functions as the RMII TX_EN output. MIITXER O Ethernet MII Transmit Coding Error. When this signal is asserted together with MIITXENP, the ethernet PHY will transmit symbols which are not valid data or delimiters. MIIMDC O MII Management Data Clock. This signal is used as a timing reference for transmission of data on the management interface. MIIMDIO I/O MII Management Data. This bidirectional signal is used to transfer data between the station management entity and the ethernet PHY. EJTAG / JTAG JTAG_TMS I JTAG Mode. The value on this signal controls the test mode select of the boundary scan logic or JTAG Controller. When using the EJTAG debug inter- face, this pin should be left disconnected (since there is an internal pull-up) or driven high. Signal Type Name/Description Table 1 Pin Description (Part 5 of 6) |
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