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STLC5411FN датащи(PDF) 8 Page - STMicroelectronics |
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STLC5411FN датащи(HTML) 8 Page - STMicroelectronics |
8 / 72 page PIN FUNCTIONS (specific GCI mode) Pin Name In/Out Description 6 FSa In Out Input or Output depending of the configuration. FSa is a 8 KHz clock which indicates the start of the frame on Bx and Br. 7 FSb Out In NT/TE non auto-mode configuration, FSb is a 8 KHz pulse always indicating the second 64Kbit/sec channel of the frame on Br. S0 In When MO = 0 (LT/NT12 configuration): S0 associated with S1 and S2 selects a GCI channel number on Bx/Br. TEST2 In Input pin to select a transmission test in all auto mode configurations. TEST2 is associated with TEST1. 11 Br Out 2B+D and GCI control channel open drain output. Data is shifted out (at the half BCLK frequency) on the first rising edge of BCLK during the assigned channels slot. Br is in high impedance state outside the assigned time slot and during the assigned time slot of a channel if it is disabled. 12 BCLK In Out Bit clock input or output depending of the configuration. When BCLK is an input, its frequency may be any multiple of 16 KHz from 512 KHz to 6176 KHz.. When BCLK is an output, its frequence is 512 KHz in NT1 auto and NTRR auto configurations, 1536 KHz in NT/TE configuration; In this case, BCLK is locked to the recovered clock received from the line. Input or Output BCLK is synchronous with FSa. Datas are shifted in and out (on Bx and Br) at the half the BCLK frequency. 13 Bx In 2B+D and GCI control channel input. Data is sampled by the UID on the second falling edge of BCLK within the period of the bit, during the assigned channels time slot. 14 IO4 In Out General purpose programmable I/O configured by CR5 register in all non auto mode configurations. TEST1 In Input pin to select a transmission test in all auto mode configurations. TEST1 is associated with TEST2. 15 IO3 In Out General purpose programmable I/O configured by CR5 register in all non auto mode configurations. EC Out External control output pin in NT1 auto configuration. Normaly high, this pin is pulled low when an eoc message ”öperate 2B+D loopback” is recognized from the line. LFS In Local febe select: When tied to 1 the febe is locally looped back. See figure 10. 16 IO2 In, Out General purpose programmable I/O configured by CR5 register in all non auto mode configurations. EC Out External control output pin in LTRR auto configuration. Normaly high, this pin is pulled low when an ARL command is received by the UID. ES2 In External status input pin. In NT1 auto and NTRR auto configurations, this status is sent on the line through the ps2 bit. 17 S2 In When MO = 0 (LT/NT12 configuration): S2 associated with S0 and S1 selects a GCI channel number on Bx/Br. CONF2 In When MO = 1: Configuration input pin. Is used associated with CONF1 to select configuration NT/TE (non auto), NT1 auto, LTRR auto and NTRR auto. 18 IO1 In Out General purpose programmable I/O configured by CR5 register in all non auto mode configurations. ES1 In External status input pin. In NT1 auto and NTRR auto configurations, this status is sent on the line through the ps1 bit. PLLD In PLL1 can be disabled in LTRR onto configuration with this pin. 19 S1 In When MO = 0 (LT/NT12 configuration): S1 associated with S0 and S2 selects a GCI channel number on Bx/Br. CONF1 In When MO = 1: Configuration input pin. Is used associated with CONF2 to select configuration NT/TE (non auto), NT1 auto, LTRR auto and NTRR auto. STLC5411 8/72 |
Аналогичный номер детали - STLC5411FN |
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Аналогичное описание - STLC5411FN |
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