Texas Instruments AFE79 Series - 2.12.138 Register 542 h (offset = 542 h) [reset = 3 h]; 2.12.139 Register 544 h (offset = 544 h) [reset = 0 h]; 2.12.140 Register 545 h (offset = 545 h) [reset = 0 h]; 2.12.141 Register 548 h (offset = 548 h) [reset = 0 h]

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Serial Interface Register Maps
2.12.138 Register 542h (offset = 542h) [reset = 3h]
Figure 2-1341. Register 542h
7 6 5 4 3 2 1 0
TX_PAP_ALARM_PULSE_EXTENSION
R/W-3h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1353. Register 542 Field Descriptions
Bit Field Type Reset Description
7-0
TX_PAP_ALARM_
PULSE_EXTENSI
ON
R/W 3h
Pulse extension for the PAP alarm going from TxA to other Tx
chains (TxB/C/D). Value range from 1 to 2^16-1 in Tx digital
clock divided by 4. The Tx digital clock is controlled by register
tx_duc_dac_to_dig_clock_ratio
2.12.139 Register 544h (offset = 544h) [reset = 0h]
Figure 2-1342. Register 544h
7 6 5 4 3 2 1 0
TX_PAP_WAIT_COUNTER[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1354. Register 544 Field Descriptions
Bit Field Type Reset Description
7-0
TX_PAP_WAIT_C
OUNTER[7:0]
R/W 0h
Wait counter window length. Range is from 1 to 2^16-1. The
counter is operating at frequency FDAC/16.
2.12.140 Register 545h (offset = 545h) [reset = 0h]
Figure 2-1343. Register 545h
7 6 5 4 3 2 1 0
TX_PAP_WAIT_COUNTER[15:8]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1355. Register 545 Field Descriptions
Bit Field Type Reset Description
7-0
TX_PAP_WAIT_C
OUNTER[15:8]
R/W 0h
Wait counter window length. Range is from 1 to 2^16-1. The
counter is operating at frequency FDAC/16.
2.12.141 Register 548h (offset = 548h) [reset = 0h]
Figure 2-1344. Register 548h
7 6 5 4 3 2 1 0
TX_PAP_AMPL
ITUDE_MODE_
SEL
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset