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TLK2208 Datasheet(PDF) 6 Page - Texas Instruments |
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TLK2208 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 42 page  TLK2208 8PORT GIGABIT ETHERNET TRANSCEIVER SLLS556B − DECEMBER 2002 − REVISED NOVEMBER 2003 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 DESCRIPTION TYPE LOCATION SIGNAL TDDC8 A3 LVCMOS input Transmit data, K-generator channels C and D. In multiplexed channel mode, when CODE = low, this terminal is the 9th bit of a 10-bit word to be transmitted. When CODE = high, this terminal acts as the K-character indicator. When TDDC8 = high, the data on TDDC[7:0] is encoded into a K-character. In nibble interface mode, when CODE = low, this terminal is the 4th and 9th bits of a 10-bit word to be transmitted on channel D. When CODE = high, this terminal acts as the K-character indicator for channel D. In independent channel mode, the transmit clock that latches this input is TCLKD. In all other modes the transmit clock is TCLKB. TDDC9 B3 LVCMOS input with P/D Transmit data channels C and D. When CODE = low, this terminal is the 10th bit of a 10-bit word. When CODE = high, this terminal should be left floating or tied low to ground. In independent channel mode, the transmit clock that latches this input is TCLKD. In all other modes, the transmit clock is TCLKB. TDFE[7:0] B7, A7, B6, A6, B5, A5, B4, A4 LVCMOS input Transmit data channels E and F. The parallel data is clocked into the transceiver on the rising and falling edges of the transmit clock and transmitted as a serial stream with bit 0 sent as the first bit. In independent channel mode, the transmit clock that latches this input is TCLKF. In all other modes, the transmit clock is TCLKB. In multiplexed channel mode, data for channel F is aligned to the rising edge of the transmit clock and data for channel E is aligned to its falling edge. In nibble interface mode, data is input most-significant nibble first, aligned to the rising edge of the transmit clock, followed by the least-significant nibble aligned to the falling edge of the transmit clock. Channel E data is input on TDFE[4:0] and channel F on TDFE[9:5]. When CODE = high, TDDC3 acts as the K-character indicator for channel E. TDFE8 A8 LVCMOS input Transmit data, K-generator channels E and F. In multiplexed channel mode, when CODE = low, this terminal is the 9th bit of a 10-bit word to be transmitted. When CODE = high, this terminal acts as the K-character indicator. When TDFE8 = high, the data on TDFE[7:0] is encoded into a K-character. In nibble interface mode, when CODE = low, this terminal is the 4th and 9th bits of a 10-bit word to be transmitted on channel F. When CODE = high, this terminal acts as the K-character indicator for channel F. In independent channel mode, the transmit clock that latches this input is TCLKF. In all other modes the transmit clock is TCLKB. TDFE9 B8 LVCMOS input with P/D Transmit data channels E and F. When CODE = low, this terminal is the 10th bit of a 10-bit word. When CODE = high, this terminal should be left floating or tied low to ground. In independent channel mode, the transmit clock that latches this input is TCLKF. In all other modes, the transmit clock is TCLKB. TDHG[7:0] B12, A12, B11, A11, B10, A10, B9, A9 LVCMOS input Transmit data channels G and H. The parallel data is clocked into the transceiver on the rising and falling edges of the transmit clock and transmitted as a serial stream with bit 0 sent as the first bit. In independent channel mode, the transmit clock that latches this input is TCLKD. In all other modes, the transmit clock is TCLKB. In multiplexed channel mode, data for channel H is aligned to the rising edge of the transmit clock and data for channel G is aligned to its falling edge. In nibble interface mode, data is input most-significant nibble first, aligned to the rising edge of the transmit clock, followed by the least-significant nibble aligned to the falling edge of the transmit clock. Channel G data is input on TDHG[4:0] and channel F on TDHG[9:5]. When CODE = high, TDHG3 acts as the K-character indicator for channel G. |
Similar Part No. - TLK2208_08 |
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Similar Description - TLK2208_08 |
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