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ADC3641 Datasheet(PDF) 46 Page - Texas Instruments

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Part # ADC3641
Description  ADC364x 14-bit, 10-MSPS to 65-MSPS, Low-Noise, Low Power Dual Channel ADC
PDF  77 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

ADC3641 Datasheet(HTML) 46 Page - Texas Instruments

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8.6.1 Detailed Register Description
Figure 8-43. Register 0x00
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
RESET
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
Table 8-13. Register 0x00 Field Descriptions
Bit
Field
Type
Reset
Description
7-1
0
R/W
0
Must write 0
0
RESET
R/W
0
This bit resets all internal registers to the default values and self
clears to 0.
Figure 8-44. Register 0x07
7
6
5
4
3
2
1
0
OP IF MAPPER
0
OP IF EN
OP IF SEL
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
Table 8-14. Register 0x07 Field Descriptions
Bit
Field
Type
Reset
Description
7-5
OP IF MAPPER
R/W
000
Output interface mapper. This register contains the proper
output interface bit mapping for the different interfaces. The
interface bit mapping is internally loaded from e-fuses and also
requires a fuse load command to go into effect (0x13, D0).
Register 0x07 along with the E-Fuse Load (0x13, D0) needs to
be loaded first in the programming sequence since the E-Fuse
load resets the SPI writes.
After initial reset the default output interface variant is loaded
automatically from fuse internally. However when reading back
this register reads 000 until a value is written using SPI.
001: 2-wire, 18 and 14-bit
010: 2-wire, 16-bit
011: 1-wire
100: 0.5-wire
101: DDR
others: not used
4
0
R/W
0
Must write 0
3
OP IF EN
R/W
0
Enables changing the default output interface mode (D2-D0).
2-0
OP IF SEL
R/W
000
Selection of the output interface mode. OP IF EN (D3) needs to
be enabled also.
After initial reset the default output interface is loaded
automatically from fuse internally. However when reading back
this register reads 000 until a value is written using SPI.
001: DDR CMOS
011: 2-wire
100: 1-wire
101: 0.5-wire
others: not used
ADC3643
SBAS886 – OCTOBER 2020
www.ti.com
46
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Copyright © 2020 Texas Instruments Incorporated
Product Folder Links: ADC3643



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