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参数资料
| 型号： | CDB5526 |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 3/30页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR CS5526 |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 20 |
| 采样率（每秒）： | 606 |
| 数据接口： | 串行 |
| 输入范围： | ±2.5 V |
| 在以下条件下的电源（标准）： | 9.4mW @ 15SPS，5 V |
| 工作温度： | -40°C ~ 85°C |
| 已用 IC / 零件： | CS5526 |
| 已供物品： | 板，CD |
| 相关产品： | CS5526-BSZR-ND - IC ADC 20BIT W/4BIT LATCH 20SSOP 598-1108-5-ND - IC ADC 20BIT W/4BIT LATCH 20SSOP |
| 其它名称： | 598-1014 |
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CS5525 CS5526
DS202F5
11
Reading/Writing On-Chip Registers
The CS5525/26’s offset, gain, and configuration
registers are read/writable while the conversion
data register is read only.
To perform a read from a specific register, the R/W
bit of the command word must be a logic 1. The SC,
CC, and PS/R bits must be logic 0 and the CB
(MSB) bit must be a logic 1. The register to be writ-
ten is selected with the RSB2-RSB0 bits of the
command word.
To perform a write to a specific register, the R/W
bit of the command word must be a logic 0. The SC,
CC, and PS/R bits must be logic 0 and the CB (MSB)
bit must be a logic 1. The register to be written is se-
lected with the RSB2-RSB0 bits of the command
word. Figure 6 illustrates the serial sequence neces-
sary to write to, or read from the serial port.
If the Set-up Registers are chosen with the RSB2-
RSB0 bits, the registers are read or written in the
following sequence: Offset, Gain and Configura-
tion. This is accomplished by following one 8-bit
command word with three 24-bit data words for a
total of 72 data bits.
Command Register
D7(MSB)
D6D5D4D3D2D1D0
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
D0
Power Save/Run, PS/R
0
1
Run
Power Save
Table 1. Command Set
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