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EMC2104 Fiches technique(PDF) 49 Page - SMSC Corporation

No de pièce EMC2104
Description  Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown
PDF  101 Pages
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Fabricant  SMSC [SMSC Corporation]
Site Internet  http://www.smsc.com
Logo SMSC - SMSC Corporation

EMC2104 Fiches technique(HTML) 49 Page - SMSC Corporation

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Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown
Datasheet
SMSC EMC2104
49
Revision 1.74 (05-08-08)
DATASHEET
During Power-On-Reset (POR), the default values are stored in the registers. A POR is initiated when
power is first applied to the part and the voltage on the VDD supply surpasses the POR level as
specified in the electrical characteristics. Any reads to undefined registers will return 00h. Writes to
undefined registers will not have an effect.
6.1.1
Lock Entries
The Lock Column describes the locking mechanism, if any, used for individual registers. All SWL
registers are Software Locked and therefore made read-only when the LOCK bit is set.
E0h
R/W
Muxed Pin
Configuration
Register
Controls the pin function for the pins
muxed with PWMs or GPIOs
01h
No
Page 79
E1h
R/W
GPIO Direction
Register
Controls the GPIO direction for GPIOs 1
- 4
00h
No
Page 80
E2h
R/W
GPIO Output
Configuration
Register
Controls the output type GPIOs 1 - 4
00h
No
Page 80
E3h
R
GPIO Input
Register
Stores the inputs for GPIOs 1 - 4
00h
No
Page 80
E4h
R/W
GPIO Output
Register
Controls the output state of GPIOs 1 - 4
00h
No
Page 81
E5h
R/W
GPIO Interrupt
Enable Register
Enabled Interrupts for GPIOs 1 - 4
00h
No
Page 81
E6h
R
GPIO Status
Indicates change of state for inputs on
GPIOs 1 - 4
00h
No
Page 81
Lock Register
EF
R/W
Software Lock
Locks all SWL registers
00h
SWL
Page 82
Revision Registers
FCh
R
Product Features
Stores information about which pin
controlled product features are set
00h
No
Page 82
FDh
R
Product ID
Stores the unique Product ID
1Dh
No
Page 83
FEh
R
Manufacturer ID
Stores the Manufacturer ID
5Dh
No
Page 83
FFh
R
Revision
Revision
02h
No
Page 83
Table 6.1 EMC2104 Register Set (continued)
ADDR
R/W
REGISTER
NAME
FUNCTION
DEFAULT
VALUE
LOCK
PAGE



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