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SP3508CF 数据表(PDF) 21 Page - Sipex Corporation |
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SP3508CF 数据表(HTML) 21 Page - Sipex Corporation |
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21 / 33 page ![]() 21 Date: 06/14/04 SP3508 Enhanced WAN Multi–Mode Serial Transceiver © Copyright 2004 Sipex Corporation Figure 44. Functional Diagram TxD SD(a) SD(b) SDEN VCC VDD C1- C1+ +3.3V (decoupling capacitor not shown) 1µF SP3508 TxCE TT(a) TT(b) TTEN ST ST(a) ST(b) STEN RD(a) RxD RDEN RD(b) RT(a) RxC RTEN RT(b) TxC(a) TxC TxCEN TxC(b) CS(a) CTS CSEN CS(b) DM(a) DSR DMEN DM(b) RRT(a) DCD_DTE RRTEN RRT(b) TM(a) TM TMEN RTS RS(a) RS(b) RSEN DTR TR(a) TR(b) TREN DCD_DCE RRC(a) RRC(b) RRCEN LL LL(a) LLEN C2- C2+ 1µF 1µF GND D0 D1 D2 TERM-OFF D-LATCH V.10-GND RL RL(a) RLEN IC RI ICEN LOOPBACK 76 29 50 39 10 49 52 40 11 51 55 41 12 53 57 42 14 56 59 43 13 58 62 44 15 61 63 45 16 64 46 17 18 19 20 21 22 30 +3.3V (See pinout assignments for GND and V CC pins) 74 70 72 69 AGND 31 97 99 2 32 93 95 3 33 89 91 4 34 81 83 6 35 85 87 5 36 79 77 7 37 67 8 38 65 9 60 28 V.35 MODE RX ENABLE 51ohms 51ohms 124ohms RECEIVER TERMINATION NETWORK V.11 MODE V.35 MODE TX ENABLE 51ohms 51ohms 124ohms V.35 DRIVER TERMINATION NETWORK VSS1 68 VSS2 1µF 27 1µF 1µF 24 26 AVCC C3- C3+ Inverter Regulated Charge Pump CVDD C1 C2 C3 CVSS1 CVSS2 |
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