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ML4644CQ Scheda tecnica(PDF) 3 Page - Micro Linear Corporation |
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ML4644CQ Scheda tecnica(HTML) 3 Page - Micro Linear Corporation |
3 / 11 page 3 ML4644 PIN DESCRIPTION (Continued) PIN # NAME FUNC. DESCRIPTION 23 RxOUT2P Output Receive signal pair for DTE port 2. 24 RxOUT2N Output Receive signal pair for DTE port 2. 25 VCC Power +5V power supply. 26 VCC Power +5V power supply. 27 NC No connection. 28 NC No connection. 29 RxINP Input Receive signal pair for MAU port. 30 RxINN Input Receive signal pair for MAU port. 31 SQEN2 Input Active low. This pin is used to enable the SQE function of DTE port 2. 32 SQEN3 Input Active low. This pin is used to enable the SQE function of DTE port 3. 33 RxOUT3P Output Receive signal pair for DTE port 3. 34 RxOUT3N Output Receive signal pair for DTE port 3. 35 NC No connection. 36 RxOUT4P Output Receive signal pair for DTE port 4. 37 RxOUT4N Output Receive signal pair for DTE port 4. 38 NC No connection. 39 JAB3 Output Open collector jabber LED driver for Jabber of DTE port 3. 40 NC No connection. 41 JAB4 Output Open collector jabber LED driver for Jabber of DTE port 4. 42 NC No connection. 43 NC No connection. 44 SQEN4 Input Active low. This pin is used to enable the SQE function of DTE port 4. 45 JAB1 Output Open collector jabber LED driver for Jabber of DTE port 1. 46 TxIN4N Input Transmit signal pair for DTE port 4. 47 TxIN4P Input Transmit signal pair for DTE port 4. PIN # NAME FUNC. DESCRIPTION 48 Tx4 Output Open collector transmit LED driver for Jabber of DTE port 4. 49 Tx3 Output Open collector transmit LED driver for Jabber of DTE port 3. 50 Tx2 Output Open collector transmit LED driver for Jabber of DTE port 2. 51 Tx1 Output Open collector transmit LED driver for Jabber of DTE port 1. 52 GND Ground Ground. 53 CDOUT1P Output Collision signal pair for DTE port 1. 54 CDOUT1N Output Collision signal pair for DTE port 1. 55 TxIN1N Input Transmit signal pair for DTE port 1. 56 TxIN1P Input Transmit signal pair for DTE port 1. 57 NC No connection. 58 CDOUT4P Output Collision signal pair for DTE port 4. 59 CDOUT4N Output Collision signal pair for DTE port 4. 60 CDINN Input Collision signal pair for MAU port. 61 X3 Output ECL output driven by crystal. Can drive X1 inputs on other ML4644S. 62 NC No connection. 63 CDINP Input Collision signal pair for MAU port. 64 SQEN1 Input Active low. This pin is used to enable the SQE function of DTE port 1. 65 NC No connection. 66 X1 Input 10MHz Crystal input pin. This pin can also be used as a 10MHz clock input pin, or can connect to X3 of another that is driven by a crystal or 10MHz clock. 67 X2 Input 10 MHz Crystal input pin. 68 NC No connection. |
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