EMC1404 SMSC Corporation, EMC1404 Datasheet - Page 7

• Manufacturer Part Number: EMC1404
• Description: (EMC1403 / EMC1404) Temperature Sensor
• Manufacturer: SMSC Corporation

1°C Temperature Sensor with Beta Compensation
Datasheet
Chapter 1 Block Diagram
SMSC EMC1403/EMC1404
1.1
EMC1403 - 1
EMC1404 - 1
NUMBER
Anti-parallel
diodes
PART
DP1
DN1
DP2
DN2
Part Selection
Temp Diode
Switching
Current
Internal
The EMC1403 and EMC1404 device configuration is highlighted below.
Note 1.1
100_1100b
100_1100b
ADDRESS
SMBUS
Analog
Mux
External 2 and external 3 channels have beta configuration hard wired to ‘0111b’ and REC
enabled.
EMC1403/04
EXTERNAL
ΔΣ ADC
DIODES
2
3
Temperature
Temperature
Register(s)
External
Register
Table 1.1 Part Selection
Internal
DIODE 1 DEFAULT
CONFIGURATION
Detect Diode w/
Detect Diode w/
DATASHEET
REC enabled
REC enabled
V
GND
DD
7
FUNCTIONALITY
Status Registers
CONFIGURATION
anti-parallel diode
Fixed 2N3904 in
Detect Diode w/
REC enabled
configuration
DEFAULT
DIODE 2
Note 1.1
THERM Hysteresis Register
Conversion Rate Register
THERM Limit Register
Configuration Register
High Limit Registers
Low Limit Registers
Interupt Masking
programmable
programmable
THERM Limits
programmable
programmable
THERM Limits
and maskable
and maskable
High Limits
High Limits
Software
Software
Software
Software
OTHER
Revision 1.16 (03-15-07)
PRODUCT
21h
25h
SMCLK
SMDATA
ALERT
THERM
ID