CS5521/22/23/24/28
22 DS317F8
PERFORM CONVERSION
Function: These commands instruct the ADC to perform conversions on the physical input channel point-
ed to by the pointer bits (CSRP2 - CSRP0) in the channel-setup registers. The particular type
of conversion performed is determined by the states of the conversion control bits (the multiple
conversion bit, the loop bit, read convert bit, and the depth pointer bits) in the configuration reg-
ister.
CSRP [3:0] (Channel Setup Register Pointer Bits)
0000 Setup 1 (All devices)
0001 Setup 2 (All devices)
0010 Setup 3 (All devices)
0011 Setup 4 (All devices)
0100 Setup 5 (CS5523/24/28)
0101 Setup 6 (CS5523/24/28)
0110 Setup 7 (CS5523/24/28)
0111 Setup 8 (CS5523/24/28)
1000 Setup 9 (CS5528 only)
1001 Setup 10 (CS5528 only)
1010 Setup 11 (CS5528 only)
1011 Setup 12 (CS5528 only)
1100 Setup 13 (CS5528 only)
1101 Setup 14 (CS5528 only)
1110 Setup 15 (CS5528 only)
1111 Setup 16 (CS5528 only)
D7(MSB) D6 D5 D4 D3 D2 D1 D0
1 CSRP3 CSRP2 CSRP1 CSRP0 0 0 0
CS5521/22/23/24/28
DS317F8 23
PERFORM CALIBRATION
Function: These commands instruct the ADC to perform a calibration on the physical input channel refer-
enced which is chosen by the command byte pointer bits (CSRP3 - CRSP0).
CSRP [3:0] (Channel Setup Register Pointer Bits)
0000 Setup 1 (All devices)
0001 Setup 2 (All devices)
0010 Setup 3 (All devices)
0011 Setup 4 (All devices)
0100 Setup 5 (CS5523/24/28 only)
0101 Setup 6 (CS5523/24/28 only)
0110 Setup 7 (CS5523/24/28 only)
0111 Setup 8 (CS5523/24/28 only)
1000 Setup 9 (CS5528 only)
1001 Setup 10 (CS5528 only)
1010 Setup 11 (CS5528 only)
1011 Setup 12 (CS5528 only)
1100 Setup 13 (CS5528 only)
1101 Setup 14 (CS5528 only)
1110 Setup 15 (CS5528 only)
1111 Setup 16 (CS5528 only)
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
D7(MSB) D6 D5 D4 D3 D2 D1 D0
1 CSRP3 CSRP2 CSRP1 CSRP0 CC2 CC1 CC0
CS5521/22/23/24/28
24 DS317F8
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
11111111
D7(MSB) D6 D5 D4 D3 D2 D1 D0
11111110
D7(MSB) D6 D5 D4 D3 D2 D1 D0
00000000

CS5522-ASZ

Mfr. #:
Manufacturer:
Cirrus Logic
Description:
Analog to Digital Converters - ADC 2-Ch 24-Bit Delta Sigma ADC
Lifecycle:
New from this manufacturer.
Delivery:
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