ADT7516 datasheet(29/44 Pages) AD

29 / 44 page

ADT7516/ADT7517/ADT7519

Rev. B | Page 29 of 44

R/W

Address

Name

Power-On

Default

0x14

DAC C LSBs (ADT7516/ADT7517 only)

0x00

0x15

DAC C MSBs

0x00

0x16

DAC D LSBs (ADT7516/ADT7517 only)

0x00

0x17

DAC D MSBs

0x00

0x18

Control Configuration 1

0x00

0x19

Control Configuration 2

0x00

0x1A

Control Configuration 3

0x00

0x1B

DAC Configuration

0x00

0x1C

LDAC Configuration

0x00

0x1D

Interrupt Mask 1

0x00

0x1E

Interrupt Mask 2

0x00

0x1F

Internal Temp Offset

0x00

0x20

External Temp Offset

0x00

0x21

Internal Analog Temp Offset

0xD8

0x22

External Analog Temp Offset

0xD8

0x23

VDD VHIGH Limit

0xC7

0x24

VDD VLOW Limit

0x62

0x25

Internal THIGH Limit

0x64

0x26

Internal TLOW Limit

0xC9

0x27

External THIGH/AIN1 VHIGH Limits

0xFF

0x28

External TLOW/AIN1 VLOW Limits

0x00

0x29 to

0x2A

Reserved

0x2B

AIN2 VHIGH Limit

0xFF

0x2C

AIN2 VLOW Limit

0x 00

0x2D

AIN3 VHIGH Limit

0xFF

0x2E

AIN3 VLOW Limit

0x00

0x2F

AIN4 VHIGH Limit

0xFF

0x30

AIN4 VLOW Limit

0x00

0x31 to

0x4C

Reserved

0x4D

Device ID

0x03/0x0B/0x07

0x4E

Manufacturer’s ID

0x41

0x4F

Silicon Revision

Check register

for current

silicon revision

0x50 to

0x7E

Reserved

0x00

0x7F

SPI Lock Status

0x00

0x80 to

0xFF

Reserved

0x00

Interrupt Status 1 Register (Read-Only) [Address 0x00]

This 8-bit read-only register reflects the status of some of the

interrupts that can cause the INT/INT pin to go active. This

limit event has been corrected. It is also reset by a software reset.

1 Default settings at power-up.

Table 11.

Bit

Function

1 when the internal temperature value exceeds THIGH limit.

Any internal temperature reading greater than the set limit

causes an out-of-limit event.

1 when internal temperature value exceeds TLOW limit. Any

internal temperature reading less than or equal to the set

limit causes an out-of-limit event.

This status bit is linked to the configuration of Pin 7 and

Pin 8. If configured for external temperature sensor, this bit

is 1 when the external temperature value exceeds THIGH

limit. The default value for this limit register is –1°C, so any

external temperature reading greater than the set limit

causes an out-of-limit event. If configured for AIN1 and

AIN2, this bit is 1 when AIN1 input voltage exceeds VHIGH or

VLOW limits.

1 when external temperature value exceeds TLOW limit. The

default value for this limit register is 0°C, so any external

temperature reading less than or equal to the set limit

causes an out-of-limit event.

1 indicates a fault (open or short) for the external

temperature sensor.

1 when AIN2 voltage is greater than its corresponding VHIGH

limit. 1 when AIN2 voltage is less than or equal to its

corresponding VLOW limit.

1 when AIN3 voltage is greater than its corresponding VHIGH

limit. 1 when AIN3 voltage is less than or equal to its

corresponding VLOW limit.

1 when AIN4 voltage is greater than its corresponding VHIGH

limit. 1 when AIN4 voltage is less than or equal to its

corresponding VLOW limit.

Interrupt Status 2 Register (Read-Only) [Address = 0x01]

This 8-bit read-only register reflects the status of the VDD

interrupt that can cause the INT/INT pin to go active. This

limit event has been corrected. It is also reset by a software reset.

N/A

1 Default settings at power-up.

Table 12.

Bit

Function

1 when VDD value is greater than its corresponding VHIGH

limit. 1 when VDD is less than or equal to its corresponding

VLOW limit.

Internal Temperature Value/VDD Value Register LSBs

(Read-Only) [Address = 0x03]

This 8-bit read-only register stores the two LSBs of the 10-bit

temperature reading from the internal temperature sensor and

the two LSBs of the 10-bit supply voltage reading.

N/A

LSB

N/A

1 Default settings at power-up.

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