参数资料
型号: EVAL-AD5373EBZ
厂商: Analog Devices Inc
文件页数: 17/29页
文件大小: 0K
描述: BOARD EVAL FOR AD5373
产品培训模块: DAC Architectures
标准包装: 1
DAC 的数量: 32
位数: 14
采样率(每秒): 540k
数据接口: 串行
设置时间: 20µs
DAC 型: 电压
工作温度: -40°C ~ 85°C
已供物品: 板,CD
已用 IC / 零件: AD5373
AD5372/AD5373
Rev. C | Page 23 of 28
SPECIAL FUNCTION MODE
If the mode bits are 00, then the special function mode is selected, as shown in Table 15. Bit I21 to Bit I16 of the serial data-word select the
special function, and the remaining bits are data required for execution of the special function, for example, the channel address for data
readback. The codes for the special functions are shown in Table 16. Table 17 shows the addresses for data readback.
Table 15. Special Function Mode
I23
I22
I21
I20
I19
I18
I17
I16
I15
I14
I13
I12
I11
I10
I9
I8
I7
I6
I5
I4
I3
I2
I1
I0
0
S5
S4
S3
S2
S1
S0
F15
F14
F13
F12
F11
F10
F9
F8
F7
F6
F5
F4
F3
F2
F1
F0
Table 16. Special Function Codes
Special Function Code
S5
S4
S3
S2
S1
S0
Data (F15 to F0)
Action
0
0000 0000 0000 0000
NOP.
0
1
XXXX XXXX XXXX X[F2:F0]
Write control register.
F4 = overtemperature indicator (read-only bit). This bit should be 0 when
writing to the control register.
F3 = reserved. This bit should be 0 when writing to the control register.
F2 = 1: Select Register X1B for input.
F2 = 0: Select Register X1A for input.
F1 = 1: Enable thermal shutdown mode.
F1 = 0: Disable thermal shutdown mode.
F0 = 1: Software power-down.
F0 = 0: Software power-up.
0
1
0
XX[F13:F0]
Write data in F13 to F0 to OFS0 register.
0
1
XX[F13:F0]
Write data in F13 to F0 to OFS1 register.
0
1
0
Reserved
0
1
0
1
Select register for readback.
0
1
0
XXXX XXXX [F7:F0]
Write data in F7 to F0 to A/B Select Register 0.
0
1
XXXX XXXX [F7:F0]
Write data in F7 to F0 to A/B Select Register 1.
0
1
0
XXXX XXXX [F7:F0]
Write data in F7 to F0 to A/B Select Register 2.
0
1
0
1
XXXX XXXX [F7:F0]
Write data in F7 to F0 to A/B Select Register 3.
0
1
0
1
0
Reserved
0
1
0
1
XXXX XXXX [F7:F0]
Block write to A/B select registers.
F7 to F0 = 0: Write all 0s (all channels use the X2A register).
F7 to F0 = 1: Write all 1s (all channels use the X2B register).
Table 17. Address Codes for Data Readback1
F15
F14
F13
F12
F11
F10
F9
F8
F7
Register Read
0
X1A register
0
1
X1B register
0
1
0
C register
0
1
Bit F12 to Bit F7 select the channel to be read back,
from Channel 0 = 001000 to Channel 31 = 100111
M register
1
0
1
Control register
1
0
1
0
OFS0 data register
1
0
1
OFS1 data register
1
0
1
0
Reserved
1
0
1
0
A/B Select Register 0
1
0
1
A/B Select Register 1
1
0
1
0
A/B Select Register 2
1
0
1
0
1
A/B Select Register 3
1
0
1
0
1
0
Reserved
1 Bit F6 to Bit F0 are don’t cares for the data readback function.
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