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SP510 Datasheet(PDF) 12 Page - Exar Corporation |
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SP510 Datasheet(HTML) 12 Page - Exar Corporation |
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12 / 37 page ![]() SP510 12 ULTRA HIGH SPEED MULTIPROTOCOL TRANSCEIVER REV. 1.0.0 TABLE 3: PIN DESCRIPTIONS BY FUNCTION Pin Name Pin Number I/O DESCRIPTION DIFFERENTIAL DRIVERS TxD 28 I TTL TxD Driver Input SD(b) / SD(a) 100, 97 O TTL Differential Transmit data non-inverting (b) and inverting (a) outputs V35TGND1 99 I SD Termination Reference SDEN 3 I TTL TxD Driver Enable TxCE 29 I TTL TxCE Driver Input TT(b) / TT(a) 95, 92 O TTL Differential TxCE non-inverting (b) and inverting (a) out- puts V35TGND2 94 I TT Termination Reference TTEN 4 I TTL TxCE Driver Enable ST 30 I TTL ST Driver Input ST(b) / ST(a) 90, 87 O TTL Differential ST non-inverting (b) and inverting (a) outputs V35TGND3 89 I ST Termination Reference STEN 5 I TTL ST Driver Enable RTS 31 I TTL RTS Driver Input RS(b) / RS(a) 85, 83 O TTL Differential RTS non-inverting (b) and inverting (a) outputs RSEN 6 I TTL RTS Driver Enable DTR 32 I TTL DTR Driver Input TR(b) / TR(a) 78, 75 O TTL Differential DTR non-inverting (b) and inverting (a) outputs TREN 7 I TTL DTR Driver Enable DCD_DCE 33 I TTL DCD_DCE Driver Input RRC(b) / RRC(a) 79, 81 O TTL Differential DCD non-inverting (b) and inverting (a) outputs RRCEN 8 I TTL DCD Driver Enable SINGLE ENDED DRIVERS RL 34 I TTL RL Driver Input RL(a) 65 O TTL RL Driver Output RLEN 9 I TTL RL Driver Enable LL 35 I TTL LL Driver Input LL(a) 63 O TTL LL Driver Output LLEN# 10 I TTL LL Driver Enable, active low |
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