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ADT7516 Datasheet(PDF) 29 Page - Analog Devices

Part No. ADT7516
Description  SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADT7516 Datasheet(HTML) 29 Page - Analog Devices

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ADT7516/ADT7517/ADT7519
Rev. A | Page 29 of 44
RD/WR
Address
Name
Power-On
Default
15h
00h
DAC C MSBs
16h
DAC D LSBs
(ADT7516/ADT7517 only)
00h
17h
00h
DAC D MSBs
18h
Control CONFIGURATION 1
00h
19h
Control CONFIGURATION 2
00h
1Ah
Control CONFIGURATION 3
00h
1Bh
DAC CONFIGURATION
00h
1Ch
LDAC CONFIGURATION
00h
1Dh
Interrupt Mask 1
00h
1Eh
Interrupt Mask 2
00h
1Fh
Internal Temp Offset
00h
20h
External Temp Offset
00h
21h
Internal Analog Temp Offset
D8h
22h
External Analog Temp Offset
D8h
23h
VDD VHIGH Limit
C7h
24h
VDD VLOW Limit
62h
25h
Internal THIGH Limit
64h
26h
Internal TLOW Limit
C9h
27h
External THIGH/AIN1 VHIGH
Limits
FFh
28h
l TLOW/AIN1 VLOW Limits
00h
Externa
29h–2Ah
Reserved
2Bh
AIN2 VHIGH Limit
FFh
2Bh
AIN2 VHIGH Limit
FFh
2Ch
AIN2 VLOW Limit
00h
2Dh
AIN3 VHIGH Limit
FFh
2Eh
AIN3 VLOW Limit
00h
2Fh
AIN4 VHIGH Limit
FFh
30h
AIN4 VLOW Limit
00h
31h–4Ch
Reserved
4Dh
Device ID
03h/0Bh/07h
4Eh
Manufacturer’s ID
41h
4Fh
Silicon Revision
04h
50h–7Eh
Reserved
00h
7Fh
SPI Lock Status
00h
80h–FFh
Reserved
00h
Interrupt Status 1 Register (Read-Only) [Add. = 00h]
e
This 8-bit read-only register reflects the status of some of th
interrupts that can cause the INT/INT pin to go active. This
register is reset by a read operation, provided that any out-of-
limit event has been corrected. It is also reset by a software res
Table 11. Interrupt Status 1 Register
et.
D2
D1
D0
D7
D6
D5
D4
D3
0*
0*
0*
0*
0*
0*
0*
0*
*Default
gs at
er-up
settin
pow
.
Table 12.
Bit
Function
D0
1 when the internal temperature value exceeds THIGH limit.
Any internal temperature reading greater than the set limit
will cause an out-of-limit event.
D1
1 when internal temperature value exceeds TLOW limit. Any
internal temperature reading less than or equal to the set
limit will cause an out-of-limit event.
D2
This status bit is linked to the configuration of Pins 7 and 8.
If configured for external temperature sensor, this bit is 1
when 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 will cause
an out-of-limit event. If configured for AIN1 and AIN2, this
bit is 1 when AIN1 input voltage exceeds VHIGH or VLOW
limits.
D3
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 will
cause an out-of-limit event.
D4
1 Indicates a fault (open or short) for the external
temperature sensor.
D5
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.
D6
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.
D7
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) [Add. = 01h]
This 8-bit read-only register reflects the status of the VDD inter-
rupt that can cause the INT/INT pin to go active. This register is
reset by a read operation, provided that any out-of-limit event
has been corrected. It is also reset by a software reset.
Table 13. Interrupt Status 2 Register
D7
D6
D5
D4
D3
D2
D1
D0
N/A
N/A
N/A
0*
N/A
N/A
N/A
N/A
*Default settings at power-up.
Table 14.
Bit
Function
D4
1 when VDD value is greater than its corresponding VHIGH
limit. 1 when VDD is less than or equal to its corresponding
VLOW limit.


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