Data Sheet

ADIS16575/ADIS16576/ADIS16577

USER REGISTER MEMORY MAP

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Rev. 0 | 24 of 46

Table 13. User Register Memory Map (N/A Means Not Applicable) (Continued)

Name

R/W

Flash Backup

Address

Default

Register Description

UP_SCALE

R/W

Yes

0x62, 0x63

0x07D0

Control, scale factor for input clock, PPS mode

DEC_RATE

R/W

Yes

0x64, 0x65

0x0000

Control, decimation filter (ODR)

NULL_CTRL

R/W

Yes

0x66, 0x67

0x070A

Control, bias estimation period

GLOB_CMD

W

No

0x68, 0x69

N/A

Control, global commands

Reserved

N/A

N/A

0x6A to 0x6B

N/A

Reserved

FW_REV

R

No

0x6C, 0x6D

N/A

Identification, firmware revision

DAY_MONTH

R

No

0x6E, 0x6F

N/A

Identification, date code, day and month

YEAR

R

No

0x70, 0x71

N/A

Identification, date code, year

PROD_ID

R

No

0x72, 0x73

0x40BF2

Identification, device number

SERIAL_NUM

R

No

0x74, 0x75

N/A

Identification, serial number

USER_SCR_1

R/W

Yes

0x76, 0x77

N/A

User Scratch Register 1

USER_SCR_2

R/W

Yes

0x78, 0x79

N/A

User Scratch Register 2

USER_SCR_3

R/W

Yes

0x7A, 0x7B

N/A

User Scratch Register 3

FLSHCNT_LWR

R

No

0x7C, 0x7D

N/A

Output, flash memory write cycle counter, lower word

FLSHCNT_UPR

R

No

0x7E, 0x7E

N/A

Output, flash memory write cycle counter, upper word

1 See Table 117 for the default value in this register, which is model specific.

2 0x40BF is the default value for the ADIS16575, 0x40C0 is the default value for the ADIS16576, and 0x40C1 is the default value for the ADIS16577.