ADS1259
SBAS424C –JUNE 2009–REVISED MARCH 2010
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CONFIG1: CONFIGURATION REGISTER 1 (Address = 1h)
7
6
5
4
3
2
1
0
FLAG
CHKSUM
0
SINC2
EXTREF
DELAY2
DELAY1
DELAY0
Reset value = 00001000b.
Bit 7
FLAG: Out-of-range flag
0 = Disabled (default)
1 = Enabled: replaces bit 24 (LSB) of the conversion data with the out-of-range bit; if the
CHKSUM byte is enabled, bit 7 of the checksum byte
Bit 6
CHKSUM: Checksum
0 = Disabled (default)
1 = Conversion data checksum byte included in readback
Bit 5
Bit 4
Reserved
Always write '0'.
SINC2: Digital filter mode
0 = sinc1 filter (default)
1 = sinc2 filter
Bit 3
EXTREF: Reference select
0 = Internal
1 = External (default)
Bits 2-0
DELAY[2:0]: START conversion delay
000 = No delay (default)
001 = 64 tCLK
010 = 128 tCLK
011 = 256 tCLK
100 = 512 tCLK
101 = 1024 tCLK
110 = 2048 tCLK
111 = 4096 tCLK
36
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