Datasheet > AD5372_15

AD5372_15

更新时间： 2022-02-26 12:58:04

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
29页	722K
描述
32-Channel, 16-/14-Bit, Serial Input, Voltage Output DAC

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AD5372_15 数据手册

AD5372/AD5373

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

F15 F14 F13 F12 F11 F10 F9 F8 F7 F6 F5 F4 F3 F2 F1 F0

Table 16. Special Function Codes

Special Function Code

Data (F15 to F0)

Action

S5 S4 S3 S2 S1 S0

0000 0000 0000 0000

XXXX XXXX XXXX X[F2:F0]

NOP.

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.

XX[F13:F0]

Reserved

See Table 17

XXXX XXXX [F7:F0]

Reserved

Write data in F13 to F0 to OFS0 register.

Write data in F13 to F0 to OFS1 register.

Select register for readback.

Write data in F7 to F0 to A/B Select Register 0.

Write data in F7 to F0 to A/B Select Register 1.

Write data in F7 to F0 to A/B Select Register 2.

Write data in F7 to F0 to A/B Select Register 3.

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

X1A register

X1B register

C register

Bit F12 to Bit F7 select the channel to be read back,

from Channel 0 = 001000 to Channel 31 = 100111

M register

Control register

OFS0 data register

OFS1 data register

Reserved

A/B Select Register 0

A/B Select Register 1

A/B Select Register 2

A/B Select Register 3

Reserved

¹Bit F6 to Bit F0 are don’t cares for the data readback function.

Rev. C | Page 23 of 28

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