EMC1424 SMSC Corporation, EMC1424 Datasheet - Page 40

• Manufacturer Part Number: EMC1424
• Description: (EMC1423 / EMC1424) Temperature Sensor
• Manufacturer: SMSC Corporation

Revision 1.16 (03-15-07)
6.15
ADDR.
28h
31h
SETTING
8h - Fh
0Ch
0Dh
08h
09h
0Ah
0Bh
0Eh
0Fh
10h
HEX
2h
3h
4h
5h
6h
7h
External Diode Ideality Factor Registers
R/W
R/W
R/W
These registers store the ideality factors that are applied to the external diodes.
each setting and the corresponding ideality factor.
Beta Compensation and Resistance Error Correction automatically correct for most diode ideality
errors, therefore it is not recommended that these settings be updated without consulting SMSC.
External Diode
External Diode
REGISTER
FACTOR
2 Ideality
3 Ideality
0.9949
0.9962
0.9975
0.9988
1.0001
1.0014
1.0027
1.0040
1.0053
Factor
Factor
ENABLEX
0
0
0
0
0
0
1
Table 6.18 Ideality Configuration Registers
Table 6.19 Ideality Factor Look-Up Table
Table 6.17 CPU Beta Values (continued)
B7
-
-
SETTING
1Ah
1Bh
1Ch
1Dh
1Eh
18h
19h
1Fh
20h
B6
DATASHEET
-
-
X
2
0
0
1
1
1
1
B5
40
BETAX[2:0]
FACTOR
1°C Temperature Sensor with Hardware Thermal Shutdown
1.0159
1.0172
1.0185
1.0200
1.0212
1.0226
1.0239
1.0253
1.0267
B4
X
1
1
1
0
0
1
1
IDEALITY2[5:0]
IDEALITY3[5:0]
B3
B2
X
0
0
1
0
1
0
1
SETTING
2Ch
2Dh
2Ah
2Bh
2Eh
2Fh
28h
29h
30h
B1
SMSC EMC1423/EMC1424
0.25
0.33
0.43
1.00
2.33
Disabled
Autodetection
MINIMUM BETA
B0
Table 6.19
FACTOR
1.0371
1.0384
1.0397
1.0410
1.0423
1.0436
1.0449
1.0462
1.0475
DEFAULT
Datasheet
12h
12h
defines