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EMC1184-A-AIA

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48
Quad Channel 1°C Temperature Sensor with Beta Compensation and 1.8V SMBus Communications
Datasheet
SMSC EMC1184 25 Revision 1.0 (07-11-13)
DATASHEET
Chapter 6 Register Description
The registers shown in Table 6.1 are accessible through the SMBus. An entry of ‘-’ indicates that the
bit is not used and will always read ‘0’.
Table 6.1 Register Set in Hexadecimal Order
REGISTER
ADDRESS R/W REGISTER NAME FUNCTION
DEFAULT
VALUE PAGE
00h R
Internal Diode Data
High Byte
Stores the integer data for the
Internal Diode
00h
Page 28
01h R
External Diode 1
Data High Byte
Stores the integer data for External
Diode 1
00h
02h R Status
Stores the status bits for the
Internal Diode and External Diodes
00h Page 28
03h R/W Configuration
Controls the general operation of
the device (mirrored at address
09h)
80h Page 29
04h R/W Conversion Rate
Controls the conversion rate for
updating temperature data
(mirrored at address 0Ah)
06h
(4/sec)
Page 30
05h R/W
Internal Diode High
Limit
Stores the 8-bit high limit for the
Internal Diode (mirrored at address
0Bh)
55h
(85°C)
Page 31
06h R/W
Internal Diode Low
Limit
Stores the 8-bit low limit for the
Internal Diode (mirrored at address
0Ch)
00h
(0°C)
07h R/W
External Diode 1
High Limit High Byte
Stores the integer portion of the
high limit for External Diode 1
(mirrored at register 0Dh)
55h
(85°C)
08h R/W
External Diode 1 Low
Limit High Byte
Stores the integer portion of the
low limit for External Diode 1
(mirrored at register 0Eh)
00h
(0°C)
09h R/W Configuration
Controls the general operation of
the device (mirrored at address
03h)
80h
Page 29
0Ah R/W Conversion Rate
Controls the conversion rate for
updating temperature data
(mirrored at address 04h)
06h
(4/sec)
Page 30
Quad Channel 1°C Temperature Sensor with Beta Compensation and 1.8V SMBus Communications
Datasheet
Revision 1.0 (07-11-13) 26 SMSC EMC1184
DATASHEET
0Bh R/W
Internal Diode High
Limit
Stores the 8-bit high limit for the
Internal Diode (mirrored at address
05h)
55h
(85°C)
Page 31
0Ch R/W
Internal Diode Low
Limit
Stores the 8-bit low limit for the
Internal Diode (mirrored at address
06h)
00h
(0°C)
0Dh R/W
External Diode 1
High Limit High Byte
Stores the integer portion of the
high limit for External Diode 1
(mirrored at register 07h)
55h
(85°C)
0Eh R/W
External Diode 1 Low
Limit High Byte
Stores the integer portion of the
low limit for External Diode 1
(mirrored at register 08h)
00h
(0°C)
0Fh W One Shot
A write to this register initiates a
one shot update.
00h Page 33
10h R
External Diode 1
Data Low Byte
Stores the fractional data for
External Diode 1
00h Page 28
11h R/W Scratchpad
Scratchpad register for software
compatibility
00h Page 33
12h R/W Scratchpad
Scratchpad register for software
compatibility
00h Page 33
13h R/W
External Diode 1
High Limit Low Byte
Stores the fractional portion of the
high limit for External Diode 1
00h
Page 31
14h R/W
External Diode 1 Low
Limit Low Byte
Stores the fractional portion of the
low limit for External Diode 1
00h
15h R/W
External Diode 2
High Limit High Byte
Stores the integer portion of the
high limit for External Diode 2
55h
(85°C)
Page 31
16h R/W
External DIode 2 Low
Limit High Byte
Stores the integer portion of the
low limit for External Diode 2
00h
(0°C)
17h R/W
External Diode 2
High Limit Low Byte
Stores the fractional portion of the
high limit External Diode 2
00h
Page 31
18h R/W
External Diode 2 Low
Limit Low Byte
Stores the fractional portion of the
low limit for External Diode 2
00h
19h R/W
External Diode 1
Therm Limit
Stores the 8-bit critical temperature
limit for External Diode 1
55h
(85°C)
Page 33
1Ah R/W
External Diode 2
Therm Limit
Stores the 8-bit critical temperature
limit for External Diode 2
55h
(85°C)
Page 33
1Bh R-C External Diode Fault
Stores status bits indicating which
external diode detected a diode
fault
00h Page 34
1Fh R/W
Channel Mask
Register
Controls the masking of individual
channels
00h Page 34
Table 6.1 Register Set in Hexadecimal Order (continued)
REGISTER
ADDRESS R/W REGISTER NAME FUNCTION
DEFAULT
VALUE PAGE
Quad Channel 1°C Temperature Sensor with Beta Compensation and 1.8V SMBus Communications
Datasheet
SMSC EMC1184 27 Revision 1.0 (07-11-13)
DATASHEET
20h R/W
Internal Diode Therm
Limit
Stores the 8-bit critical temperature
limit for the Internal Diode
55h
(85°C
Page 33
21h R/W Therm Hysteresis
Stores the 8-bit hysteresis value
that applies to all Therm limits
0Ah
(10°C)
22h R/W Consecutive ALERT
Controls the number of out-of-limit
conditions that must occur before
an interrupt is asserted
70h Page 35
23h R
External Diode 2
Data High Byte
Stores the integer data for External
Diode 2
00h
Page 28
24h R
External Diode 2
Data Low Byte
Stores the fractional data for
External Diode 2
00h
25h R/W
External Diode 1
Beta Configuration
Stores the Beta Compensation
circuitry settings for External Diode
1
08h Page 38
26h R/W
External Diode 2
Beta Configuration
Stores the Beta Compensation
circuitry settings for External Diode
2
08h
07h
(EMC1184)
Page 38
27h R/W
External Diode 1
Ideality Factor
Stores the ideality factor for
External Diode 1
12h
(1.008)
Page 38
28h R/W
External Diode 2
Ideality Factor
Stores the ideality factor for
External Diode 2
12h
(1.008)
Page 38
29h R
Internal Diode Data
Low Byte
Stores the fractional data for the
Internal Diode
00h Page 28
2Ah R
External Diode 3
High Byte
Stores the integer data for External
Diode 3
00h
Page 28
2Bh R
External Diode 3 Low
Byte
Stores the fractional data for
External Diode 3
00h
2Ch R/W
External Diode 3
High Limit High Byte
Stores the integer portion of the
high limit for External Diode 3
55h
(85°C)
Page 31
2Dh R/W
External Diode 3 Low
Limit High Byte
Stores the integer portion of the
low limit for External Diode 3
00h
(0°C)
2Eh R/W
External Diode 3
High Limit Low Byte
Stores the fractional portion of the
high limit for External Diode 3
00h
2Fh R/W
External Diode 3 Low
Limit Low Byte
Stores the fractional portion of the
low limit for External Diode 3
00h
30h R/W
External Diode 3
Therm Limit
Stores the 8-bit critical temperature
limit for External Diode 3
55h
(85°C)
Page 33
31h R/W
External Diode 3
Ideality Factor
Stores the ideality factor for
External Diode 3
12h
(1.008)
Page 38
35h R-C High Limit Status Status bits for the High Limits 00h Page 40
Table 6.1 Register Set in Hexadecimal Order (continued)
REGISTER
ADDRESS R/W REGISTER NAME FUNCTION
DEFAULT
VALUE PAGE
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48

EMC1184-A-AIA

Mfr. #:
Buy EMC1184-A-AIA
Manufacturer:
Microchip Technology
Description:
Board Mount Temperature Sensors 1.8V SMBus Dual Tmp Sensor /w Alerts
Lifecycle:
New from this manufacturer.
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