Data Sheet

AD4114

Rev. 0 | Page 39 of 49

REGISTER DETAILS

COMMUNICATIONS REGISTER

Address: 0x00, Reset: 0x00, Name: COMMS

All access to the on-chip registers must start with a write to the communications register. This write determines which register is

accessed next and whether that operation is a write or a read.

Table 20. Bit Descriptions for COMMS

Bits

Bit Name

Settings

Description

Reset

Access

7

WEN

This bit must be low to begin communications with the ADC.

0x0

W

6

R/W

This bit determines if the command is a read or write operation.

0x0

W

0

Write command.

1

Read command.

[5:0]

RA

The register address bits determine the register to be read from or written to as part of

the current communication.

0x00

W

000000

Status register.

000001

ADC mode register.

000010

Interface mode register.

000011

Register checksum register.

000100

Data register.

000110

GPIO configuration register.

000111

ID register.

010000

Channel Register 0.

010001

Channel Register 1.

010010

Channel Register 2.

010011

Channel Register 3.

010100

Channel Register 4.

010101

Channel Register 5.

010110

Channel Register 6.

010111

Channel Register 7.

011000

Channel Register 8.

011001

Channel Register 9.

011010

Channel Register 10.

011011

Channel Register 11.

011100

Channel Register 12.

011101

Channel Register 13.

011110

Channel Register 14.

011111

Channel Register 15.

100000

Setup Configuration Register 0.

100001

Setup Configuration Register 1.

100010

Setup Configuration Register 2.

100011

Setup Configuration Register 3.

100100

Setup Configuration Register 4.

100101

Setup Configuration Register 5.

100110

Setup Configuration Register 6.

100111

Setup Configuration Register 7.

101000

Filter Configuration Register 0.

101001

Filter Configuration Register 1.

101010

Filter Configuration Register 2.

101011

Filter Configuration Register 3.

101100

Filter Configuration Register 4.

101101

Filter Configuration Register 5.

101110

Filter Configuration Register 6.

101111

Filter Configuration Register 7.