Texas Instruments AFE79 Series - 2.1.18 Register 19 h (offset = 19 h) [reset = 0 h]; 2.1.19 Register 1 Bh (offset = 1 Bh) [reset = 0 h]

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SBAU337–May 2020
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Serial Interface Register Maps
Table 2-18. Register 18 Field Descriptions
Bit Field Type Reset Description
7-7 calib_memory R/W 0h Page select for calib_memory
6-6 reserved R/W 0h
5-5 MACRO R/W 0h Page select for MACROMACRO control registers
4-4 reserved R/W 0h
3-3 MCU_mem R/W 0h Page select for MCU memory
2-2 reserved R/W 0h
1-1 reserved R/W 0h
0-0 reserved R/W 0h
2.1.18 Register 19h (offset = 19h) [reset = 0h]
Figure 2-18. Register 19h
7 6 5 4 3 2 1 0
TX TOP reserved reserved reserved reserved
R/W-0h R/W-0h R/W-0h R/W-0h R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-19. Register 19 Field Descriptions
Bit Field Type Reset Description
7-4 TX TOP R/W 0h
Page select for DAC digital
Bit0 --> TxA
Bit1 --> TxB
Bit2 --> TxC
Bit3 --> TxD
3-3 reserved R/W 0h
2-2 reserved R/W 0h
1-1 reserved R/W 0h
0-0 reserved R/W 0h
2.1.19 Register 1Bh (offset = 1Bh) [reset = 0h]
Figure 2-19. Register 1Bh
7 6 5 4 3 2 1 0
ALARMS_CLEAR[7:0]
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-20. Register 1B Field Descriptions
Bit Field Type Reset Description
7-0
ALARMS_CLEAR[
7:0]
R/W 0h
Clear Global alarms when asserted
0 = alarm_spi_global for SPI-A & B1
1 = alarm_spi_access for A & B1.
2 = alarm SPI global for SPI A & B2
3= alarm SPI access for A & B2.
4 = alarm SPI global for SPI B1 & B2
5 = alarm SPI access for SPI B1 & B2.
6 = alarm SPI streaming roll over SPI-A.
7= alarm SPI streaming roll over SPI-B1.
8 = alarm SPI streaming roll over SPI-B2.