EMC6D103 Datasheet, PDF (52/89 Pages) SMSC Corporation – FAN CONTROL DEVICE WITH HIGH FREQUENCY PWM

Reg
Addr
7Ch
7Dh
7Eh
7Fh
Read
/Write
R/W
Note 8.4
R
R/W
R/W
Reg Name
Special Function Register
Reserved
Interrupt Enable 1 (Voltages)
Configuration
80h
R/W
Interrupt Enable 2 (Fan Tachs)
81h
R/W
TACH_PWM Association
82h
R/W
Interrupt Enable 3 (Temp)
83h
R
Reserved
84h
R
Reserved
85h
R
A/D Converter LSbs Reg 1
86h
R
A/D Converter LSbs Reg 2
87h
R
A/D Converter LSbs Reg 3
88h
R
A/D Converter LSbs Reg 4
89h
R
SMSC Test Register
8Ah
R
SMSC Test Register
8Bh
R/W
SMSC Test Register
8Ch
R
SMSC Test Register
8Dh
R/W
SMSC Test Register
8Eh
R
SMSC Test Register
8Fh
R
Reserved
90h
R/W
Tach1 Option
91h
R/W
Tach2 Option
Table 8.1 Register Summary (continued)
Bit 7
MSb
AVG2
RES
VCC
INIT
RES
T4H
RES
RES
RES
RD2.3
V12.3
V50.3
VCC.3
TST7
RES
RES
RES
RES
TST7
RES
RES
RES
Bit 6
Bit 5
Bit 4
Bit 3
AVG1 AVG0 SMSC SMSC
Note 8.7 Note 8.7
RES
RES
RES
RES
12V
5V
RES VCCP
SMSC SMSC SUREN TRDY
Note 8.7 Note 8.7
RES
RES TACH4 TACH3
T4L
T3H
T3L
T2H
RES
RES
RES D2EN
RES
RES
RES
RES
RES
RES
RES
RES
RD2.2 RD2.1 RD2.0 RD1.3
V12.2 V12.1 V12.0 AM.3
V50.2 V50.1 V50.0 V25.3
VCC.2 VCC.1 VCC.0 VCP.3
TST6 TST5 TST4 TST3
TST6 TST5 TST4 TST3
TST6 TST5 TST4 TST3
RES
RES TST4 TST3
RES
RES TST4 TST3
TST6 TST5 TST4 TST3
RES
RES
RES
RES
RES
RES 3EDG MODE
RES
RES 3EDG MODE
Bit 2
INTEN
RES
25V
RES
Bit 1
Bit 0
LSb
MON-MD LPMD
Note 8.5
RES
RES
RES VOLT
P2INT T3INT
TACH2
T2L
D1EN
RES
RES
RD1.2
AM.2
V25.2
VCP.2
TST2
TST2
TST2
TST2
TST2
TST2
RES
EDG1
EDG1
TACH1
T1H
AMB
RES
RES
RD1.1
AM.1
V25.1
VCP.1
TST1
TST1
TST1
TST1
TST1
TST1
RES
EDG0
EDG0
TACH
T1L
TEMP
RES
RES
RD1.0
AM.0
V25.0
VCP.0
TST0
TST0
TST0
TST0
TST0
TST0
RES
SLOW
SLOW
Default
Value
40h
00h
ECh
10h
1Eh
A4h
0Eh
00h
00h
N/A
N/A
N/A
N/A
N/A
40h
40h
09h
09h
N/A
00h
04h
04h
Lock Start
Yes
No
Note 8.4
No
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
Yes
No
No
No
No
No
No
No
No
No