ADC32RF45 Datasheet, PDF (76/108 Pages) Texas Instruments – Analog-to-Digital Converter

ADC32RF45
SBAS747B – MAY 2016 – REVISED JULY 2016
8.5.8.7 Register 008h (address = 008h), Decimation Filter Page
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Figure 107. Register 008h
7
6
5
4
3
2
1
0
DDC0 NCO1 MSB
R/W-0h
LEGEND: R/W = Read/Write; -n = value after reset
Table 65. Register 008h Field Descriptions
Bit Field
7-0 DDC0 NCO1 MSB
Type
R/W
Reset
0h
Description
These bits are the MSB of the NCO frequency word for NCO1 of
DDC0 (band 1).
The LSB represents f_S / (2¹⁶), where f_S is the ADC sampling
frequency.
8.5.8.8 Register 009h (address = 009h), Decimation Filter Page
Figure 108. Register 009h
7
6
5
4
3
2
1
0
DDC0 NCO2 LSB
R/W-0h
LEGEND: R/W = Read/Write; -n = value after reset
Bit Field
7-0 DDC0 NCO2 MSB
Table 66. Register 009h Field Descriptions
Type
R/W
Reset
0h
Description
These bits are the LSB of the NCO frequency word for NCO2 of
DDC0 (band 1).
The LSB represents f_S / (2¹⁶), where f_S is the ADC sampling
frequency.
8.5.8.9 Register 00Ah (address = 00Ah), Decimation Filter Page
Figure 109. Register 00Ah
7
6
5
4
3
2
1
0
DDC0 NCO2 MSB
R/W-0h
LEGEND: R/W = Read/Write; -n = value after reset
Bit Field
7-0 DDC0 NCO2 MSB
Table 67. Register 00Ah Field Descriptions
Type
R/W
Reset
0h
Description
These bits are the MSB of the NCO frequency word for NCO2 of
DDC0 (band 1).
The LSB represents f_S / (2¹⁶), where f_S is the ADC sampling
frequency.
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