Cirrus Logic CS5534-AS User Manual
Page 21
CS5531/32/33/34-AS
DS289F5
21
PERFORM CALIBRATION
Function:
These commands instruct the ADC to perform a calibration on the physical input channel se-
lected by the setup register which is chosen by the command byte pointer bits (CSRP2 -
CSRP0).
CSRP [2:0] (Channel Setup Register Pointer Bits)
000
Setup 1 (All devices)
001
Setup 2 (All devices)
010
Setup 3 (All devices)
011
Setup 4 (All devices)
100
Setup 5 (All devices)
101
Setup 6 (All devices)
110
Setup 7 (All devices)
111
Setup 8 (All devices)
CC [2:0] (Calibration Control Bits)
000
Reserved
001
Self-Offset Calibration
010
Self-Gain Calibration
011
Reserved
100
Reserved
101
System-Offset Calibration
110
System-Gain Calibration
111
Reserved
SYNC1
Function:
Part of the serial port re-initialization sequence.
SYNC0
Function:
End of the serial port re-initialization sequence.
NULL
Function:
This command is used to clear a port flag and keep the converter in the continuous conversion mode.
D7(MSB)
D6
D5
D4
D3
D2
D1
D0
1
0
CSRP2
CSRP1
CSRP0
CC2
CC1
CC0
D7(MSB)
D6
D5
D4
D3
D2
D1
D0
1
1
1
1
1
1
1
1
D7(MSB)
D6
D5
D4
D3
D2
D1
D0
1
1
1
1
1
1
1
0
D7(MSB)
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
0
0
0