emc1428 Standard Microsystems Corp., emc1428 Datasheet - Page 24

• Manufacturer Part Number: emc1428
• Description: 1 Degree C Multiple Temperature Sensor With Hw Thermal Shutdown
• Manufacturer: Standard Microsystems Corp.

Revision 0.68 (07-08-08)
REGISTER
ADDRESS
0Eh
1Ah
1Bh
1Ch
1Dh
1Eh
10h
13h
14h
15h
16h
17h
18h
19h
1Fh
20h
21h
22h
23h
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R-C
R
R
R
R
External Diode 1 Low
External Diode 1 Low
External Diode 2 Low
External Diode 2 Low
Table 5.1 Register Set in Hexadecimal Order (continued)
High Limit High Byte
External Diode Fault
High Limit Low Byte
High Limit Low Byte
Consecutive ALERT
THERM Hysteresis
REGISTER NAME
TRIP_SET Voltage
Hardware Thermal
External Diode 1
External Diode 1
External Diode 2
External Diode 2
External Diode 1
External Diode 2
External Diode 2
Limit High Byte
Limit High Byte
Shutdown Limit
Data High Byte
Data Low Byte
Limit Low Byte
Limit Low Byte
Interrupt Mask
Internal Diode
THERM Limit
THERM Limit
THERM Limit
Configuration
SYS_SHDN
Register
1°C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones
DATASHEET
Stores the 8-bit critical temperature
Stores the 8-bit critical temperature
Hardware Thermal Shutdown Limit
Stores the 8-bit critical temperature
Stores the integer data for External
Stores the fractional portion of the
Stores the fractional portion of the
Stores the fractional portion of the
Stores the fractional portion of the
Controls which software channels,
Controls the number of out-of-limit
high limit for the External Diode 1
Stores status bits indicating which
Controls the masking of individual
conditions that must occur before
low limit for the External Diode 1
low limit for the External Diode 1
Stores the fractional data for the
When read, returns the selected
Stores the 8-bit hysteresis value
Stores the integer portion of the
Stores the integer portion of the
Stores the integer portion of the
that applies to all THERM limits
external diode detected a diode
TRIP_SET pin to determine the
high limit for External Diode 2
low limit for External Diode 2
low limit for External Diode 2
limit for the External Diode 1
Critical / Thermal shutdown
high limit External Diode 2
limit for the Internal Diode
24
(mirrored at register 08h)
Voltage measured on the
limit for External Diode 2
the status bit is asserted
if any, are linked to the
External Diode 1
SYS_SHDN pin
FUNCTION
threshold
channels
Diode 2
fault
DEFAULT
VALUE
(85°C)
(85°C)
(85°C)
(85°C)
(10°C)
(0°C)
(0°C)
0Ah
00h
00h
00h
00h
55h
00h
00h
00h
55h
55h
00h
00h
00h
N/A
F0h
55h
00h
70h
SMSC EMC1428
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Datasheet