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| ADS1218_14 Datasheet, PDF (33/45 Pages) Texas Instruments – 8-Channel, 24-Bit ANALOG-TO-DIGITAL CONVERTER with FLASH Memory | |||
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ADS1218
www.ti.com
CSREG
SBAS187C â SEPTEMBER 2001 â REVISED SEPTEMBER 2005
Calculate the Checksum of Registers
Description: Calculate the checksum of all the registers. The checksum is calculated as a sum of all the bytes
with the carry ignored. The ID, DRDY, and DIO bits are masked so they are not included in the checksum.
Operands: None
Bytes: 1
Encoding: 1101 1111
Data Transfer Sequence:
DIN 1101 1111 ⢠⢠⢠(1) xxxx xxxx
DOUT
Checksum
NOTE: (1) For wait time, refer to timing specification.
CSRAM
Calculate RAM Bank Checksum
Description: Calculate the checksum of the selected RAM Bank. The checksum is calculated as a sum of all the
bytes with the carry ignored. All bits are included in the checksum calculation; there is no masking of bits.
Operands: a
Bytes: 1
Encoding: 1110 0aaa
Data Transfer Sequence:
Calculate Checksum for RAM Bank 2
DIN 1110 0010 ⢠⢠⢠(1) xxxx xxxx
DOUT
Checksum
NOTE: (1) For wait time, refer to timing specification.
CSARAM
Calculate Checksum for all RAM Banks
Description: Calculate the checksum of all RAM Banks. The checksum is calculated as a sum of all the bytes
with the carry ignored. All bits are included in the checksum calculation; there is no masking of bits.
Operands: None
Bytes: 1
Encoding: 1110 1000
Data Transfer Sequence:
DIN 1110 1000 ⢠⢠⢠(1) xxxx xxxx
DOUT
Checksum
NOTE: (1) For wait time, refer to timing specification.
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