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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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XRT83SL34 Arkusz danych(PDF) 45 Page - Exar Corporation |
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XRT83SL34 Arkusz danych(HTML) 45 Page - Exar Corporation |
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45 / 80 page  XRT83SL34 QUAD T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR PRELIMINARY REV. P1.0.8 42 MICROPROCESSOR REGISTER TABLES The microprocessor interface consists of 128 addressable locations. Each channel uses 16 dedicated 7 bit registers for independent programming and control. There are four additional registers for global control of all channels and two registers for device identification and revision numbers. The remaining registers are for factory test and future expansion. The control register map and the function of the individual bits are summarized in Table 17 and Table 18 respectively. TABLE 17: MICROPROCESSOR REGISTER ADDRESS REGISTER NUMBER REGISTER ADDRESS FUNCTION HEX BINARY 0 - 15 0x00 - 0x0F 0000000 - 0001111 Channel 0 Control Registers 16 - 31 0x10 -0x1F 0010000 - 0011111 Channel 1 Control Registers 32 - 47 0x20 - 0x2F 0100000 - 0101111 Channel 2 Control Registers 48 - 63 0x30 - 0x3F 0110000 - 0111111 Channel 3 Control Registers 64 - 67 0x40 - 0x43 1000000 - 1000011 Command Control Registers for All 4 Channels 68 - 75 0x44 - 0x4B 1000100 - 1001011 R/W registers reserved for testing purpose. 76-125 0x4C - 0x7D 1001100 - 1111101 Reserved 126 0x7E 1111110 Device ID 127 0x7F 1111111 Revision ID TABLE 18: MICROPROCESSOR REGISTER BIT DESCRIPTION REG. # ADDRESS REG. TYPE BIT 7BIT 6BIT 5BIT 4BIT 3BIT 2BIT 1BIT 0 Channel 0 Control Registers 0 0000000 Hex 0x00 R/W Reserved Reserved RXON_n EQC4_n EQC3_n EQC2_n EQC1_n EQC0_n 1 0000001 Hex 0x01 R/W RXTSEL_n TXTSEL_n TERSEL1_n TERSEL0_n JASEL1_n JASEL0_n JABW_n FIFOS_n 2 0000010 Hex 0x02 R/W INVQRSS_n TXTEST2_n TXTEST1_n TXTEST0_n TXON_n LOOP2_n LOOP1_n LOOP0_n 3 0000011 Hex 0x03 R/W NLCDE1_n NLCDE0_n CODES_n RXRES1_n RXRES0_n INSBPV_n INSBER_n TRATIO_n 4 0000100 Hex 0x04 R/W Reserved DMOIE_n FLSIE_n LCVIE_n NLCDIE_n AISDIE_n RLOSIE_n QRPDIE_n 5 0000101 Hex 0x05 RO Reserved DMO_n FLS_n LCV_n NLCD_n AISD_n RLOS_n QRPD_n 6 0000110 Hex 0x06 RUR Reserved DMOIS_n FLSIS_n LCVIS_n NLCDIS_n AISDIS_n RLOSIS_n QRPDIS_n 7 0000111 Hex 0x07 RO Reserved Reserved CLOS5_n CLOS4_n CLOS3_n CLOS2_n CLOS1_n CLOS0_n 8 0001000 Hex 0x08 R/W X B6S1_n B5S1_n B4S1_n B3S1_n B2S1_n B1S1_n B0S1_n |
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