参数资料
型号: EVAL-AD5781SDZ
厂商: Analog Devices Inc
文件页数: 16/28页
文件大小: 0K
描述: BOARD EVAL FOR AD5781
标准包装: 1
DAC 的数量: 1
位数: 18
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
设置时间: 1µs
DAC 型: 电压
工作温度: -40°C ~ 125°C
已供物品: 板,CD
已用 IC / 零件: AD5781
Data Sheet
AD5781
Rev. D | Page 23 of 28
Software Control Register
This is a write only register in which writing a 1 to a particular bit has the same effect as pulsing the corresponding pin low.
Table 14. Software Control Register
MSB
LSB
DB23
DB22
DB21
DB20
DB19
DB3
DB2
DB1
DB0
R/W
Register address
Software control register data
0
1
0
Reserved
RESET
LDAC2
1
The CLR function has no effect if the LDAC pin is low.
2
The LDAC function has no effect if the CLR pin is low.
Table 15. Software Control Register Functions
Function
Description
LDAC
Setting this bit to 1 updates the DAC register and consequently the DAC output.
CLR
Setting this bit to 1 sets the DAC register to a user defined value (see Table 13) and updates the DAC output. The output
value depends on the DAC register coding that is being used, either binary or twos complement.
RESET
Setting this bit to 1 returns the AD5781 to its power-on state.
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