sx8744emstrt Semtech Corporation, sx8744emstrt Datasheet - Page 18

• Manufacturer Part Number: sx8744emstrt
• Description: Precision Diode Digital Temperature For Up To 3 External Sensors
• Manufacturer: Semtech Corporation

ACS Revision 2.91/February 2010
©2010 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
Bits
Bits
Bits
Bits
Bits
Bits
Bits
Bits
Bits
7:5
2:0
7:0
7:3
2:0
7:0
7:3
2:0
7:0
7:3
2:0
7:0
7:3
2:0
4
3
ExtTemp1MSB
ExtTemp2MSB
ExtTemp3MSB
ExtTemp1LSB
ExtTemp2LSB
ExtTemp3LSB
IntTempMSB
IntTempLSB
Reserved
Reserved
Reserved
Reserved
Reserved
OneShot
Regular
Name
Name
Name
Name
Name
Name
Name
Name
Name
Rate
Mode
Mode
Mode
Mode
Mode
Mode
Mode
Mode
Mode
rw
rw
rw
rw
r
r
r
r
r
r
r
r
r
r
r
r
00000000
00000000
00000000
00000000
Reset
Reset
Reset
00000
Reset
Reset
00000
Reset
Reset
00000
Reset
Reset
00000
000
000
000
000
000
000
0
0
Addr: 0x2A RegExtTemp1MSB
Addr: 0x2C RegExtTemp2MSB
Addr: 0x2E RegExtTemp3MSB
Addr: 0x2B RegExtTemp1LSB
Addr: 0x2D RegExtTemp2LSB
Addr: 0x2F RegExtTemp3LSB
Addr: 0x28 RegIntTempMSB
Addr: 0x29 RegIntTempLSB
Addr: 0x27 RegADCRate
Description
Write to 000
0: Standby
1: Perform one temperature measurement
0: Disable continuous temperature sampling
1: Enable continuous temperature sampling
Temperature sampling rate
000: 0.1 second (continuous sampling)
001: 0.25 second
010: 0.50 second
011: 1 second
100: 2 seconds
101: 4 seconds
110: 8 seconds
111: 16 seconds
Description
MSB of Internal Temperature
Description
LSB of Internal Temperature
Description
MSB of External Temperature
Description
LSB of External Temperature
Description
MSB of External Temperature
Description
LSB of External Temperature
Description
MSB of External Temperature
Description
LSB of External Temperature
Page 18
SX8733/SX8743/SX8744
Precision Diode Digital Temperature
T
T
T
T
T
T
T
T
J
For Up To 3 External Sensors
J
D1
D2
D3
. LSB=0.125ºC
D1
D2
D3
. LSB=1ºC
. LSB=0.125ºC
. LSB=0.125ºC
. LSB=0.125ºC
. LSB=1ºC
. LSB=1ºC
. LSB=1ºC
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