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AMC7812 Datasheet, PDF (60/92 Pages) Texas Instruments – 12-Bit ANALOG MONITORING AND CONTROL SOLUTION with Multichannel ADC, DACs, and Temperature Sensors
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AMC7812
SBAS513D – JANUARY 2011 – REVISED OCTOBER 2012
REGISTERS
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REGISTER MAP
The AMC7812 has several 16-bit registers that consist of a high byte (8 MSBs) and a low byte (8 LSBs). An 8-bit
register pointer points to the proper register. The pointer does not change after the operation. Table 10 lists the
registers for the AMC7812. Note that the default values are for SPI operation; see the register descriptions for
I2C default values.
Table 10. Register Map
ADDRESS
(HEX)
00
01
02
0A
0B
21
22
23
24
25
26
27
28
29
2A
2B
2C
2D
2E
2F
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F
40
41
42
43
44
R/W
R
R
R
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
DEFAULT
(HEX)
0000
0000
0000
003C (1)
0007 (1)
0000 (1)
0000 (1)
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
REGISTER
LT-Temperature-Data
D1-Temperature-Data
D2-Temperature-Data
Temperature Configuration
Temperature Conversion Rate
η-Factor Correction (for D1)
η-Factor Correction (for D2)
ADC-0-Data
ADC-1-Data
ADC-2-Data
ADC-3-Data
ADC-4-Data
ADC-5-Data
ADC-6-Data
ADC-7-Data
ADC-8-Data
ADC-9-Data
ADC-10-Data
ADC-11-Data
ADC-12-Data
ADC-13-Data
ADC-14-Data
ADC-15-Data
DAC-0-Data
DAC-1-Data
DAC-2-Data
DAC-3-Data
DAC-4-Data
DAC-5-Data
DAC-6-Data
DAC-7-Data
DAC-8-Data
DAC-9-Data
DAC-10-Data
DAC-11-Data
DAC-0-CLR-Setting
DAC-1-CLR-Setting
DAC-2-CLR-Setting
DAC-3-CLR-Setting
DAC-4-CLR-Setting
DAC-5-CLR-Setting
(1) See register descriptions for I2C default values.
ADDRESS
(HEX)
R/W
45
R/W
46
R/W
47
R/W
48
R/W
49
R/W
4A
R/W
4B
R/W
4C
R/W
4D
R/W
4E
R/W
4F
R
50
R/W
51
R/W
52
R/W
53
R/W
54
R/W
55
R/W
56
R/W
57
R/W
58
R/W
59
R/W
5A
R/W
5B
R/W
5C
R/W
5D
R/W
5E
R/W
5F
R/W
60
R/W
61
R/W
62
R/W
63
R/W
64
R/W
65
R/W
66
R/W
67
R/W
68
R/W
69
R/W
6A
R/W
6B
R/W
6C
R
7C
R/W
DEFAULT
(HEX)
0000
0000
0000
0000
0000
0000
00FF
2000
0070
0000
0000
0000
0000
FFFF
0004
0000
0000
0000
0000
0000
0000
0FFF
0000
0FFF
0000
0FFF
0000
0FFF
0000
07FF
0800
07FF
0800
07FF
0800
0810
0810
2108
0000
1220
N/A
REGISTER
DAC-6-CLR-Setting
DAC-7-CLR-Setting
DAC-8-CLR-Setting
DAC-9-CLR-Setting
DAC-10-CLR-Setting
DAC-11-CLR-Setting
GPIO
AMC Configuration 0
AMC Configuration 1
Alarm Control
Status
ADC Channel 0
ADC Channel 1
ADC Gain
AUTO-DAC-CLR-SOURCE
AUTO-DAC-CLR-EN
SW-DAC-CLR
HW-DAC-CLR-EN-0
HW-DAC-CLR-EN-1
DAC Configuration
DAC Gain
Input-0-High-Threshold
Input-0-Low-Threshold
Input-1-High-Threshold
Input-1-Low-Threshold
Input-2-High-Threshold
Input-2-Low-Threshold
Input-3-High-Threshold
Input-3-Low-Threshold
LT-High-Threshold
LT-Low-Threshold
D1-High-Threshold
D1-Low-Threshold
D2-High-Threshold
D2-Low-Threshold
Hysteresis-0
Hysteresis-1
Hysteresis-2
Power-Down
Device ID
Software Reset
60
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