RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown
Datasheet
Table 7.55 ADDR_SEL[2:0] Encoding (continued)
ADDR_SEL[2:0]
1
2
0
SMBUS ADDRESS
0
1
1
1
0
0
1
0
1
1001_100(r/w)
1001_101(r/w)
1001_000(r/w)
Bits 2-0 - SHDN_SEL[2:0] - Indicate the functionality enabled by the SHDN_SEL pin as shown in
Table 7.56, "SHDN_SEL[2:0] Encoding".
Table 7.56 SHDN_SEL[2:0] Encoding
SHDN_SEL[2:0]
2
1
0
DIODE MODE
OTHER FEATURES
0
0
0
External Diode 1 Simple Mode - Beta
compensation disabled, REC disabled -
recommended for AMD CPU diodes
none
0
0
0
1
1
0
External Diode 1 Diode Mode - Beta
compensation disabled, REC enabled
none
none
External Diode 1 Transistor Mode - Beta
compensation enabled, REC enabled - -
recommended for Intel 45nm and 65mn
CPU diodes
0
1
1
1
0
0
1
0
1
Internal Diode Transistor Mode - Beta
compensation enabled, REC enabled
none
none
none
External Diode 2 Transistor Mode - Beta
compensation enabled, REC enabled
External Diode 1 Transistor Mode - Beta
compensation enabled, REC enabled
7.38
Product ID Register
Table 7.57 Product ID Register
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
Product ID
Register
FDh
R
0
0
1
0
0
1
0
0
2Eh
The Product ID Register contains a unique 8-bit word that identifies the product.
SMSC EMC2113
Revision 1.2 (10-08-09)
DATA7S1HEET
SMSC [ SMSC CORPORATION ]
