EMC6D103-CK SMSC [SMSC Corporation], EMC6D103-CK Datasheet - Page 48

• Manufacturer Part Number: EMC6D103-CK
• Description: FAN CONTROL DEVICE WITH HIGH FREQUENCY PWM
• Manufacturer: SMSC [SMSC Corporation]

Fan Control Device with High Frequency PWM Support and Hardware Monitoring Features
Datasheet
2. To measure the tachometer input in Mode 2, the tachometer logic must know when the associated
PWM is ‘ON’.
3. Inhibit fan tachometer interrupts when the associated PWM is ‘OFF’.
See the description of the PWM_TACH register. The default configuration is:
PWM1 -> TACH1.
PWM2 -> TACH2.
PWM3 -> TACH3 & TACH4.
Revision 0.4 (04-04-05)
48
SMSC EMC6D103
DATASHEET