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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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VSC7217UC датащи(PDF) 30 Page - Vitesse Semiconductor Corporation |
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VSC7217UC датащи(HTML) 30 Page - Vitesse Semiconductor Corporation |
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30 / 36 page  VITESSE SEMICONDUCTOR CORPORATION Preliminary Datasheet VSC7217 Mutli-Gigabit Interconnect Chip Page 30 © VITESSE SEMICONDUCTOR CORPORATION 741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896 6/14/00 G52325-0, Rev. 3.0 1R, 2R 1M, 2M 1J, 2J 1F, 2F PTXA+/- PTXB+/- PTXC+/- PTXD+/- O PECL Primary Differential Serial TX Outputs for Channel n. These pins output serialized transmit data when PTXENn is HIGH. AC coupling is recommended. 1T, 2T 1N, 2N 1H, 2H 1E, 2E RTXA+/- RTXB+/- RTXC+/- RTXD+/- O PECL Redundant Differential Serial TX Outputs for Channel n. These pins output serialized transmit data when RTXENn is HIGH. AC coupling is recommended. 4N 4M 4J 4H PTXENA PTXENB PTXENC PTXEND I TTL Primary TX Output ENable for Channel n. PTXn+/- is active when HIGH; when LOW, PTXn+/- is powered down and the outputs are undriven. 3P 3N 3H 3G RTXENA RTXENB RTXENC RTXEND I TTL Redundant TX Output ENable for Channel n. RTXn+/- is active when HIGH; when LOW, RTXn+/- is powered down and the outputs are undriven. 18P, 19R 20U, 20V 17R, 19U 20W, 18T RA(7:0) O TTL Receive Data for Channel A. Synchronous to RCLKA/RCLKNA or REFCLK as selected by RMODE(1:0). 15V, 15U 18Y, 17Y 15W, 14U 16Y, 13V RB(7:0) O TTL Receive Data for Channel B. Synchronous to RCLKB/RCLKNB or REFCLK as selected by RMODE(1:0). 16C, 15C 15D, 18A 17A, 15B 14D, 16A RC(7:0) O TTL Receive Data for Channel C. Synchronous to RCLKC/RCLKNC or REFCLK as selected by RMODE(1:0). 20E, 18G 17G, 19F 20C, 17F 19D, 20B RD(7:0) O TTL Receive Data for Channel D. Synchronous to RCLKD/RCLKND or REFCLK as selected by RMODE(1:0). 17N 18W 17C 19H IDLEA IDLEB IDLEC IDLED O TTL IDLE Detect for Channel n. When HIGH, an IDLE character has been detected by the decoder and is on Rn(7:0). When ENDEC=LOW, this is equivalent to COMDETn. 19P 16V 16D 18H KCHA KCHB KCHC KCHD O TTL Kxx.x CHaracter Detect for Channel n. When HIGH, a special Kxx.x character has been detected by the decoder and is on Rn(7:0). When ENDEC=LOW, this is equivalent to data bit Rn8. Pin Name I/O Type Pin Description |
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