ADM1266ACPZ-R7 datasheet(57/62 Pages) AD

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Data Sheet

ADM1266

Rev. A | Page 57 of 62

GPIO_STATUS

This command block reads the status of the GPIOs.

Table 98. Register 0xEA—GPIO_STATUS (for BLOCK R)

Byte

Byte Name

R/W

Description

Data length

Block R

Number of bytes of data for this block read, fixed to 2.

[2:1]

GPIO status

Block R

Input or output status of all the GPIOs. Refer to Table 99.

Table 99. Two Bytes of Data for GPIO_STATUS

Bits

Bit Name

R/W

Description

Reserved

Reserved.

Reserved

Reserved.

GPIO7_STATUS

GPIO7 pin status.

GPIO6_STATUS

GPIO6 pin status.

GPIO5_STATUS

GPIO5 pin status.

GPIO4_STATUS

GPIO4 pin status.

GPIO9_STATUS

GPIO9 pin status.

GPIO8_STATUS

GPIO8 pin status.

Reserved

Reserved.

Reserved

Reserved.

Reserved

Reserved.

GPIO3_STATUS

GPIO3 pin status.

GPIO2_STATUS

GPIO2 pin status.

GPIO1_STATUS

GPIO1 pin status.

DAC_CODE_CONFIGURATION

This command block reads/writes the DAC code in an open-loop margining configuration.

Table 100. Register 0xEB—DAC_CODE_CONFIGURATION (for Block WR)

Byte

Byte Name

R/W

Description

Parameter length

Block W

Parameter data length, fixed to 2.

DAC index parameter

Block W

0000 = DAC1.

0001 = DAC2.

0010 = DAC3.

0011 = DAC4.

0100 = DAC5.

0101 = DAC6.

0110 = DAC7.

0111 = DAC8.

1000 = DAC9.

Data length

Block W

The length of DAC code configuration data to read back from the ADM1266.

Data length

Block R

The length of DAC code configuration data the ADM1266 returns.

Code parameter

Block R

Refer to Table 102.

[17:2]

DAC code

Block R

DAC code. Maximum = 16 DAC codes, N = 17 maximum.

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