ADIS16220

Preliminary Technical Data

Rev. PrE | Page 10 of 16

Note that all registers in Table 8 consist of two bytes. All unused memory locations are reserved for future use.

Table 8. User Register Memory Map

Name

Access

Flash

Backup

Address1

Default

Function

Bit

Assignments

FLASH_CNT

Read only

Yes

0x00

N/A

Flash memory write count

Table 30

ACCL_NULL

Read/write

Yes

0x02

0x0000

Acceleration offset adjustment control

Table 23

AIN1_NULL

Read/write

Yes

0x04

0x0000

AIN1 offset adjustment control

Table 24

AIN2_NULL

Read/write

Yes

0x06

0x0000

AIN2 offset adjustment control

Table 24

0x08 to 0x09

Reserved

CAPT_SUPPLY

Read only

Yes

0x0A

0x8000

Output, power supply during capture

Table 10

CAPT_TEMP

Read only

Yes

0x0C

0x8000

Output, temperature during capture

Table 10

CAPT_PEAKA

Read only

Yes

0x0E

0x8000

Output, peak acceleration during capture

Table 10

CAPT_PEAK1

Read only

Yes

0x10

0x8000

Output, peak AIN1 level during capture

Table 10

CAPT_PEAK2

Read only

Yes

0x12

0x8000

Output, peak AIN2 level during capture

Table 10

CAPT_BUFA

Read only

No

0x14

0x8000

Output, capture buffer for acceleration

Table 10

CAPT_BUF1

Read only

No

0x16

0x8000

Output, capture buffer for AIN1

Table 10

CAPT_BUF2

Read only

No

0x18

0x8000

Output, capture buffer for AIN2

Table 10

CAPT_PNTR

Read/write

No

0x1A

0x8000

Operation, capture buffer address pointer

Table 9

CAPT_CTRL

Read/write

Yes

0x1C

0x0020

Operation, capture control register

Table 13

CAPT_PRD

Read/write

Yes

0x1E

0x0000

Operation, capture period (automatic mode)

Table 14

ALM_MAGA

Read/write

Yes

0x20

0x0000

Alarm A, acceleration peak threshold

Table 17

ALM_MAG1

Read/write

Yes

0x22

0x0000

Alarm 1, AIN1 peak threshold

Table 18

ALM_MAG2

Read/write

Yes

0x24

0x0000

Alarm 2, AIN2 peak threshold

Table 18

ALM_MAGS

Read/write

Yes

0x26

0x0000

Alarm S, temperature/power supply threshold

Table 19

ALM_CTRL

Read/write

Yes

0x28

0x0000

Alarm, control register

Table 16

0x2A to 0x31

Reserved

GPIO_CTRL

Read/write

Yes

0x32

0x0000

Operation, general I/O configuration

Table 26

MSC_CTRL

Read/write

Yes

0x34

0x0000

Operation, self-test control, AIN configuration

Table 28

DIO_CTRL

Read/write

Yes

0x36

0x000F

Operation, digital I/O configuration

Table 25

AVG_CNT

Read/write

Yes

0x38

0x0000

Operation, filter configuration

Table 22

0x3A to 0x3B

Reserved

DIAG_STAT

Read only

Yes

0x3C

0x0000

Diagnostics, system status

Table 27

GLOB_CMD

Write only

No

0x3E

N/A

Operation, system commands

Table 21

ST_DELTA

Read only

Yes

0x40

N/A

Self-test response

Table 29

0x42 to 0x51

Reserved

LOT_ID1

Read only

Yes

0x52

N/A

Date code identification

Table 31

LOT_ID2

Read only

Yes

0x54

N/A

Date code identification

Table 32

PROD_ID

Read only

Yes

0x56

0x3F5C

Product identifier; convert to decimal = 16220

N/A

SERIAL_NUM

Read only

Yes

0x58

N/A

Serial number

Table 33

R/W

R/W

A6

A5

A4

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

DB0

DB1

DB2

DB3

DB4

DB5

DB6

DB7

DB8

DB9

DB10

DB11

DB12

DB13

DB14

DB15

NOTES

1. DOUT BITS ARE BASED ON THE PREVIOUS 16-BIT SEQUENCE (R/W = 0).

CS

SCLK

DIN

DOUT

A6

A5

DB13

DB14

DB15

Figure 13. SPI Communication Bit Sequence