emc1428 Standard Microsystems Corp., emc1428 Datasheet - Page 25

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

1°C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones
Datasheet
SMSC EMC1428
REGISTER
ADDRESS
2Ah
2Bh
2Ch
2Dh
2Eh
3Ah
3Bh
24h
25h
26h
29h
2Fh
30h
32h
33h
34h
35h
36h
37h
39h
40h
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-C
R-C
R
R
R
R
R
R
R
R
External Diode 3 Low
External Diode 3 Low
External Diode 3 Low
Table 5.1 Register Set in Hexadecimal Order (continued)
High Limit High Byte
High Limit Low Byte
THERM Limit Status
Internal Diode Data
Hottest Diode High
REGISTER NAME
REC Configuration
Beta Configuration
Beta Configuration
Hottest Diode Low
High Limit Status
External Diode 2
External Diode 1
External Diode 2
External Diode 3
External Diode 3
External Diode 3
External Diode 3
Low Limit Status
Channel Config
Limit High Byte
Data Low Byte
Limit Low Byte
Hottest Config
Hottest Status
THERM Limit
Filter Control
High Byte
Low Byte
Byte
Byte
Byte
DATASHEET
circuitry settings for External Diode
circuitry settings for External Diode
Stores the integer data for External
Stores the 8-bit critical temperature
Controls the digital filter setting for
Stores the fractional portion of the
Stores the fractional portion of the
Status bits for the THERM Limits
channels are used in the “hottest
Stores the fractional data for the
Stores the fractional data for the
Stores the integer portion of the
Stores the integer portion of the
Stores the Beta Compensation
Stores the Beta Compensation
Stores the integer data for the
high limit for External Diode 3
high limit for External Diode 3
Controls REC for all channels
Controls which external diode
Status bits for the High Limits
Status bits for the Low Limits
the External Diode 1 channel
low limit for External Diode 3
low limit for External Diode 3
Stores the fractional data for
Stores the fractional data for
Controls which channels are
Status bits indicating which
25
limit for External Diode 3
external diode is hottest
hottest temperature
hottest temperature
External Diode 2
External Diode 3
of “comparison
Internal Diode
FUNCTION
Diode 3
enabled
1
2
DEFAULT
VALUE
(85°C)
(85°C)
(0°C)
00h
08h
08h
00h
00h
00h
55h
00h
00h
00h
55h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
Revision 0.68 (07-08-08)
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