Cs5529 – Cirrus Logic CS5529 User Manual
Page 12
CS5529
12
DS246F5
Command Register Descriptions
Perform Single Conversion
This command instructs the ADC to perform a single conversion.
Perform Continuous Conversions
This command instructs the ADC to perform continuous conversions.
Power Save/Run
If PS/R = 0, normal run mode is entered. If PS/R = 1, power save mode is entered.
Null
This command is used to clear the port flag in the continuous conversion mode when the port flag bit in the configuration register
is set to logic 1.
7
6
5
4
3
2
1
0
1
1
0
0
0
0
0
0
7
6
5
4
3
2
1
0
1
0
1
0
0
0
0
0
7
6
5
4
3
2
1
0
1
0
0
0
0
0
0
PS/R
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
Table 1. Command Set
D7(MSB)
D6
D5
D4
D3
D2
D1
D0
CB
SC
CC
R/W
RSB2
RSB1
RSB0
PS/R
BIT
NAME
VALUE
FUNCTION
D7
Command Bit, CB
0
1
Null command (no operation). All command bits,
including CB must be 0.
Logic 1 for executable commands.
D6
Single Conversion, SC
0
1
Single Conversion not active.
Perform a conversion.
D5
Continuous Conversions,
CC
0
1
Continuous Conversions not active.
Perform conversions continuously.
D4
Read/Write, R/W
0
1
Write to selected register.
Read from selected register.
D3-D1
Register Select Bit, RSB2-
RSB0
000
001
010
011
100
101
110
111
Offset Register
Gain Register
Configuration Register
Conversion Data Register (read only)
Set-up Registers (Offset, Gain, Configuration)
Reserved
Reserved
Reserved
D0
Power Save/Run, PS/R
0
1
Run
Power Save