EMC2103-2-AP-TR Standard Microsystems (SMSC), EMC2103-2-AP-TR Datasheet - Page 69

• Manufacturer Part Number: EMC2103-2-AP-TR
• Description: CLOSED LOOP RPM FAN CONTROLLER
• Manufacturer: Standard Microsystems (SMSC)

RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
SMSC EMC2103
6.42
6.43
ADDR
ADDR
FDh
FEh
2
0
0
0
0
1
1
SHDN_SEL[2:0]
R/W
The Product ID Register contains a unique 8-bit word that identifies the product.
The Manufacturer ID Register contains an 8-bit word that identifies SMSC.
Product ID Register
Manufacturer ID Register
R/W
R
R
1
0
0
1
1
0
0
(EMC2103-1)
(EMC2103-2)
REGISTER
Product ID
Product ID
Manufacturer
Register
Register
REGISTER
0
0
1
0
1
0
1
ID
External Diode 1 Simple Mode - Beta
compensation disabled, REC disabled -
recommended for AMD CPU diodes
External Diode 1 Diode Mode - Beta
compensation disabled, REC enabled
External Diode 1 Transistor Mode - Beta
compensation enabled, REC enabled - -
recommended for Intel 45nm and 65mn CPU
diodes
Internal Diode Transistor Mode - Beta
compensation enabled, REC enabled
External Diode 2 Transistor Mode - Beta
compensation enabled, REC enabled
(EMC2103-2 only)
External Diode 1 Diode mode (EMC2103-1 only)
External Diode 1 Transistor Mode - Beta
compensation enabled, REC enabled
Table 6.59 SHDN_SEL[2:0] Encoding
Table 6.61 Manufacturer ID Register
B7
0
0
Table 6.60 Product ID Register
B7
0
B6
0
0
DATASHEET
B6
1
DIODE MODE
B5
1
1
69
B5
0
B4
0
0
B4
1
B3
0
0
B3
1
B2
B2
1
1
1
none
none
none
none
none
none
B1
B1
0
1
0
OTHER FEATURES
Revision 0.88 (06-30-08)
B0
B0
0
0
1
DEFAULT
DEFAULT
5Dh
24h
26h