AMC7812B Datasheet, PDF (67/92 Pages) TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS – 12-Bit Analog Monitoring and Control Solution with Multichannel ADC, DACs, and Temperature Sensors

AMC7812B
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SBAS625A – SEPTEMBER 2013 – REVISED SEPTEMBER 2013
AMC Configuration Register 1 (Read or Write, Address = 4Dh, Default = 0070h)
Table 17. AMC Configuration Register 1
BIT
NAME
DEFAULT R/W
DESCRIPTION
15
—
0
R Reserved. Writing to this bit causes no change. Reading this bit returns '0'.
14
—
0
R Reserved. Writing to this bit causes no change. Reading this bit returns '0'.
13
—
0
R Reserved. Writing to this bit causes no change. Reading this bit returns '0'.
12
—
0
R Reserved. Writing to this bit causes no change. Reading this bit returns '0'.
11
—
0
R Reserved. Writing to this bit causes no change. Reading this bit returns '0'.
10
—
0
R Reserved. Writing to this bit causes no change. Reading this bit returns '0'.
9
CONV-RATE-1
0
R/W ADC conversion rate bit. See Table 18.
8
CONV-RATE-0
0
R/W ADC conversion rate bit. See Table 18.
7
CH-FALR- CT-2
0
R/W False alarm protection bit for CH0 to CH3. See Table 19.
6
CH-FALR- CT-1
1
R/W False alarm protection bit for CH0 to CH3. See Table 19.
5
CH-FALR- CT-0
1
R/W False alarm protection bit for CH0 to CH3. See Table 19.
4
TEMP-FALR- CT-1
1
R/W False alarm protection bit for temperature monitor. See Table 20.
3
TEMP-FALR- CT-0
0
R/W False alarm protection bit for temperature monitor. See Table 20.
2
—
0
R Reserved. Writing to this bit causes no change. Reading this bit returns '0'.
1
—
0
R Reserved. Writing to this bit causes no change. Reading this bit returns '0'.
0
—
0
R Reserved. Writing to this bit causes no change. Reading this bit returns '0'.
CONV-RATE-1
0
0
1
1
Table 18. CONV-RATE-[1:0] Bit Settings
CONV-RATE-0
0
1
0
1
ADC CONVERSION RATE
500 kSPS, the specified rate (default)
1/2 of the specified rate
1/4 of the specified rate
1/8 of the specified rate
CH-FALR-CT-2
0
0
0
0
1
1
1
1
Table 19. CH-FALR-CT-[2:0] Bit Settings
CH-FALR-CT-1
0
0
1
1
0
0
1
1
CH-FALR-CT-0
0
1
0
1
0
1
0
1
N CONSECUTIVE SAMPLES
BEFORE ALARM IS SET
1
4
8
16 (default for CH0 to CH3)
32
64
128
256
TEMP-FALR-CT-1
0
0
1
1
Table 20. TEMP-FALR-CT-[1:0] Bit Settings
TEMP-FALR-CT-0
0
1
0
1
N CONSECUTIVE SAMPLES BEFORE ALARM IS SET
1
2
4 (default)
8
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