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SP503CF 数据表(PDF) 25 Page - Sipex Corporation |
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SP503CF 数据表(HTML) 25 Page - Sipex Corporation |
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25 / 29 page ![]() 25 Date: 7/29/04 SP503 Multiprotocol Transceiver © Copyright 2004 Sipex Corporation EDGE DUT PIN CONNECTOR DESCRIPTIONS 01 TxD (pin 14) –TTL Input – Transmit data; source for SD(a) and SD(b) out- puts. 02 DTR (pin 13) – TTL Input – Data terminal ready: source for TR(a) and TR(b) outputs. 03 ST/TT (pin 6) –TTL Input – ST/TT select pin; enables ST drivers and dis- ables TT drivers when high. Disables ST drivers and enables TT drivers when low. 04 DEC 3/RDEC3 (pin 5) – TTL Input – Transmitter/Receiver decode register. 05 TDEC 2/RDEC2 (pin 4) – TTL Input – Transmitter/Receiver decode register. 06 TDEC 1/RDEC1 (pin 3) – TTL Input – Transmitter/Receiver decode register. 07 TDEC 0/RDEC0 (pin 2) – TTL Input – Transmitter/Receiver decode register. 08 RxD (pin 1 ) – TTL Output – Receive data; sourced from RD(a) and RD)b) inputs. 09 CTS (pin 80) – TTL Output – Clear to send; sourced from CS(a) and CS(b) inputs. 10 RxT (pin 79) – TTL Output – RxT; sourced from TT(a), TT(b) inputs. 11 DSR (pin 78) – TTL Output – Data set ready; sourced from DM(a) and DM(b) inputs. 12 RD(b) (pin 71) – Analog In – Receive data, non–inverted; source for RxD. EDGE DUT PIN CONNECTOR DESCRIPTIONS 13 RD(a) (pin 70) – Analog In – Receive data, inverted: source for RxD. 14 DM(b) (pin 69) – Analog In – Data mode, non–inverted; source for DSR. l5 DM(a) (pin 68) – Analog In – Data mode, inverted; source for DSR. 16 CS(b) (pin 67) – Analog In – Clear to send; non–inverted; source for CTS. 17 CS(a) (pin 66) – Analog In – Clear to send, inverted; source for CTS. 18 TT(b) (pin 65) – Analog Out – Terminal timing, non–inverted: sourced from TxC input. 19 TT(a) (pin 63) – Analog Out – Terminal timing; inverted: sourced from TxC input. 20 TR(a) (pin 58) – Analog Out – Termi- nal ready, inverted; sourced from DTR. 21 TR(b) (pin 56) – Analog Out – Termi- nal ready; non–inverted; sourced from DTR. 22 SD(a) (pin 61) – Analog Out – Send data, inverted; sourced from TxD. 23 SD(b) (pin 59) – Analog Out – Send data; non–inverted; sourced from TxD. 24 RS(a) (pin 54) – Analog Out – Ready to send; inverted; sourced from RTS. 25 RS(b) (pin 52) – Analog Out – Ready to send, non–inverted; sourced from RTS. 1 26 2 27 3 28 4 29 5 30 6 31 7 32 8 33 9 34 10 35 11 36 12 37 13 38 14 39 15 40 16 41 17 42 18 43 19 44 20 45 21 46 22 47 23 48 24 49 25 50 |
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