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ManualsBrandsTEXAS INSTRUMENTS ManualsData collecting ICsData acquisition IC - AD converter (ADC) External , Internal TQFP 48
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ADS1217
SBAS260C
23
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LSB
MSB 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111
0000 x rdata x rdatac x x x x x x x x x x x stopc
0001 rreg rreg rreg rreg rreg rreg rreg rreg rreg rreg rreg rreg rreg rreg rreg rreg
01 23456 789ABCDEF
0010 rram rram rram rram rram rram rram rram x x x x x x x x
01 23456 7
0011 x x x x x x x x x x x x x x x x
0100 creg creg creg creg creg creg creg creg crega x x x x x x x
01 23456 7
0101 wreg wreg wreg wreg wreg wreg wreg wreg wreg wreg wreg wreg wreg wreg wreg wreg
01 23456 789ABCDEF
0110 wram wram wram wram wram wram wram wram x x x x x x x x
01 23456 7
0111 x x x x x x x x x x x x x x x x
1000 x x x x x x x x x x x x x x x x
1001 x x x x x x x x x x x x x x x x
1010 x x x x x x x x x x x x x x x x
1011 x x x x x x x x x x x x x x x x
1100 cram 0 cram 1 cram 2 cram 3 cram 4 cram 5 cram 6 cram 7 x x x x x x x x
1101 csramx csramx csramx csramx csramx csramx csramx csramx csa x x x x x x
0 1 2 3 4 5 6 7 ramx csreg
1110 cs cs cs cs cs cs cs cs csa x x x x x x x
ram 0 ram 1 ram2 ram 3 ram 4 ram 5 ram 6 ram 7 ram
1111 self self self sys sys x x x x x x wakeup dsync sleep reset x
cal ocal gcal ocal gcal
x = Reserved
TABLE IV. Command Map.
SLEEP Sleep Mode
Description: Puts the ADS1217 into a low power sleep mode.
SCLK must be inactive while in sleep mode. To exit this mode,
issue the WAKEUP command.
Operands: None
Bytes: 1
Encoding: 1111 1101
Data Transfer Sequence:
WAKEUP Wakeup From Sleep Mode
Description: Use this command to wake up from sleep mode.
Operands: None
Bytes: 1
Encoding: 1111 1011
Data Transfer Sequence:
DSYNC Sync
DRDY
Description: Synchronizes the ADS1217 to the serial clock
edge.
Operands: None
Bytes: 1
Encoding: 1111 1100
Data Transfer Sequence:
D
IN
1111 1100
D
IN
1111 1101
D
IN
1111 1011
RESET Reset to Power-Up Values
Description: Restore the registers to their power-up values.
This command will also stop the Read Continuous mode. It
does not affect the contents of RAM.
Operands: None
Bytes: 1
Encoding: 1111 1110
Data Transfer Sequence:
D
IN
1111 1110