Datasheet

ADS1259

SBAS424D –JUNE 2009– REVISED AUGUST 2011

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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 Reserved

Always write '0'.

Bit 4 SINC2: Digital filter mode

0 = sinc

filter (default)

1 = sinc

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 t

CLK

010 = 128 t

CLK

011 = 256 t

CLK

100 = 512 t

CLK

101 = 1024 t

CLK

110 = 2048 t

CLK

111 = 4096 t

CLK