Manual

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
11111111
D7(MSB) D6 D5 D4 D3 D2 D1 D0
11111110
D7(MSB) D6 D5 D4 D3 D2 D1 D0
00000000