RS8973 Mindspeed Technologies, RS8973 Datasheet - Page 6

• Manufacturer Part Number: RS8973
• Description: Single-chip Sdsl/hdsl Transceiver
• Manufacturer: Mindspeed Technologies

4.0
vi
Table of Contents
Interconnection Information
4.1
4.2
Transmission Line Interface
4.1.1
4.1.2
4.1.3
DC Blocking Capacitor
0x32, 0x33—Far-End Low Alarm Threshold Register
(far_end_low_alarm_th_low, far_end_low_alarm_th_high)
0x34, 0x35—SNR Alarm Threshold Register (snr_alarm_th_low, snr_alarm_th_high)
0x36, 0x37—Cursor Level Register (cursor_level_low, cursor_level_high)
0x38, 0x39—DAGC Target Register (dagc_target_low, dagc_target_high)
0x3A—Symbol Detector Modes Register (detector_modes)
0x3B—Peak Detector Delay Register (peak_detector_delay)
0x3C—Digital AGC Modes Register (dagc_modes)
0x3D—Feed Forward Equalizer Modes Register (ffe_modes)
0x3E—Error Predictor Modes Register (ep_modes)
0x40, 0x41—Phase Detector Meter Register (pdm_low, pdm_high)
0x42—Overflow Meter Register (overflow_meter)
0x44, 0x45—DC Level Meter Register (dc_meter_low, dc_meter_high)
0x46, 0x47—Signal Level Meter Register (slm_low, slm_high)
0x48, 0x49—Far-End Level Meter Register (felm_low, felm_high)
0x4A, 0x4B—Noise Level Histogram Meter Register
(noise_histogram_low, noise_histogram_high)
0x4C, 0x4D—Bit Error Rate Meter Register (ber_meter_low, ber_meter_high)
0x4E—Symbol Histogram Meter Register (symbol_histogram)
0x50, 0x51—Noise Level Meter Register (nlm_low, nlm_high)
0x5E, 0x5F— PLL Frequency Register (pll_frequency_low, pll_frequency_high)
0x70—LEC Read Tap Select Register (linear_ec_tap_select_read)
0x71—LEC Write Tap Select Register (linear_ec_tap_select_write)
0x72—NEC Read Tap Select Register (nonlinear_ec_tap_select_read)
0x73—NEC Write Tap Select Register (nonlinear_ec_tap_select_write)
0x74—DFE Read Tap Select Register (dfe_tap_select_read)
0x75—DFE Write Tap Select Register (dfe_tap_select_write)
0x76—Scratch Pad Read Tap Select (sp_tap_select_read)
0x77—Scratch Pad Write Tap Select (sp_tap_select_write)
0x78—Equalizer Read Select Register (eq_add_read)
0x79—Equalizer Write Select Register (eq_add_write)
0x7A—Equalizer Microcode Read Select Register (eq_microcode_add_read)
0x7B—Equalizer Microcode Write Select Register (eq_microcode_add_write)
0x7C–0x7F—Access Data Register (access_data_byte3:0)
Compromise Hybrid
Impedance-Matching Resistors
Line Transformer
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Preliminary Information
Conexant
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25
. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
. . . . . . . . . . . . . . . . . . . . . . . . . . 3-32
. . . . . . . . . . . . . . . . . . . . . . . . . 3-33
Single-Chip SDSL/HDSL Transceiver
. . . . . . . . . . . . . . . . . . . . . . . 3-31
. . . . . . . . . . . . . . . . . . . . . . 3-22
. . . . . . . . . . . . . . . . . . . . . . 3-23
. . . . . . . . . . . . . . . . . . . . . . 3-31
. . . . . . . . . . . . . . . . . . . . . . 3-33
. . . . . . . . . . . . . . . . . . . . . 3-24
. . . . . . . . . . . . . . . . . . . . . 3-25
. . . . . . . . . . . . . . . . . . . . . 3-30
. . . . . . . . . . . . . . . . . . . . . 3-30
. . . . . . . . . . . . . . . . . . . 3-27
. . . . . . . . . . . . . . . . . . . 3-28
. . . . . . . . . . . . . . . . . . . 3-29
. . . . . . . . . . . . . . . . . 3-27
. . . . . . . . . . . . . . . . . 3-29
. . . . . . . . . . . . . . . . 3-26
. . . . . . . . . . . . . . . . 3-29
. . . . . . . . . . . . . . 3-30
. . . . . . . . . . . . . 3-27
. . . . . . . . . . . . . 3-30
. . . . . . . . . . . 3-22
. . . . . . . . . . . 3-22
. . . . . . . . . 3-33
. . . . . . . . 3-28
. . . . . . . . 3-33
. . . . . . . 3-29
N8973DSD
RS8973
. . 3-22