Datasheet

AMC7812
www.ti.com SBAS513E –JANUARY 2011–REVISED SEPTEMBER 2013
AMC CONFIGURATION REGISTER 1 (Read/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'.
Table 18. CONV-RATE-[1:0] Bit Settings
CONV-RATE-1 CONV-RATE-0 ADC CONVERSION RATE
0 0 500 kSPS, the specified rate (default)
0 1 ½ of the specified rate
1 0 1/4 of the specified rate
1 1 1/8 of the specified rate
Table 19. CH-FALR-CT-[2:0] Bit Settings
N CONSECUTIVE SAMPLES
CH-FALR-CT-2 CH-FALR-CT-1 CH-FALR-CT-0 BEFORE ALARM IS SET
0 0 0 1
0 0 1 4
0 1 0 8
0 1 1 16 (default for CH-0 to CH-3)
1 0 0 32
1 0 1 64
1 1 0 128
1 1 1 256
Table 20. TEMP-FALR-CT-[1:0] Bit Settings
TEMP-FALR-CT-1 TEMP-FALR-CT-0 N CONSECUTIVE SAMPLES BEFORE ALARM IS SET
0 0 1
0 1 2
1 0 4 (default)
1 1 8
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