EMC1182 Datasheet, PDF (26/48 Pages) SMSC Corporation – Dual Channel 1C Temperature Sensor with Beta Compensation and 1.8V SMBus Communications

Dual Channel 1°C Temperature Sensor with Beta Compensation and 1.8V SMBus Communications
Datasheet
REGISTER
ADDRESS
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
19h
1Fh
20h
21h
22h
25h
27h
Table 6.1 Register Set in Hexadecimal Order (continued)
R/W
REGISTER NAME
FUNCTION
DEFAULT
VALUE
PAGE
R/W
Internal Diode High
Limit
Stores the 8-bit high limit for the
Internal Diode (mirrored at address
05h)
55h
(85°C)
R/W
Internal Diode Low
Limit
Stores the 8-bit low limit for the
Internal Diode (mirrored at address
06h)
R/W
External Diode High
Limit High Byte
Stores the integer portion of the
high limit for the External Diode
(mirrored at register 07h)
00h
(0°C)
55h
(85°C)
Page 30
R/W
External Diode Low
Limit High Byte
Stores the integer portion of the
low limit for the External Diode
(mirrored at register 08h)
00h
(0°C)
W
One Shot
A write to this register initiates a
one shot update.
00h
Page 31
R
External Diode Data
Low Byte
Stores the fractional data for the
External Diode
00h
Page 27
R/W
Scratchpad
Scratchpad register for software
compatibility
00h
Page 31
R/W
Scratchpad
Scratchpad register for software
compatibility
00h
Page 31
R/W
External Diode High Stores the fractional portion of the
Limit Low Byte
high limit for the External Diode
00h
Page 30
R/W
External Diode Low Stores the fractional portion of the
Limit Low Byte
low limit for the External Diode
00h
R/W
External Diode
Therm Limit
Stores the 8-bit critical temperature
limit for the External Diode
55h
(85°C)
Page 32
R/W
Channel Mask
Register
Controls the masking of individual
channels
00h
Page 32
R/W
Internal Diode Therm Stores the 8-bit critical temperature
Limit
limit for the Internal Diode
R/W
Therm Hysteresis
Stores the 8-bit hysteresis value
that applies to all Therm limits
55h
(85°C
0Ah
(10°C)
Page 32
Controls the number of out-of-limit
R/W Consecutive ALERT conditions that must occur before
an interrupt is asserted
70h
Page 33
R/W
External Diode1 Beta
Configuration
Stores the Beta Compensation
circuitry settings for External
Diode1
08h
Page 35
R/W
External Diode
Ideality Factor
Stores the ideality factor for the
External Diode
12h
(1.008)
Page 35
Revision 1.0 (07-11-13)
26
DATASHEET
SMSC EMC1182