EMC6D103-CK SMSC [SMSC Corporation], EMC6D103-CK Datasheet - Page 83

• 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
Chapter 9 Timing Diagrams
SMSC EMC6D103
9.1
NAME
t1
t2
The following section shows the timing for the PWM[1:3] outputs.
Note 9.1
Note 9.2
PWM Outputs
FANx
PWM Period
PWM High Time
This value is programmable by the PWM frequency bits located in the FRFx registers.
The PWM High Time is based on a percentage of the total PWM period (min=0/256*T
max =255/256*T
(T
PWM
(Note
DESCRIPTION
(Note
= t1).
9.1)
Table 9.1 Timing for PWM[1:3] Outputs
9.2)
Figure 9.1 PWMx Output Timing
t2
PWM
). During Spin-up the PWM High Time can reach a 100% or Full On.
DATASHEET
t1
83
0.04
MIN
0
TYP
MAX
90.9
99.6
Revision 0.4 (04-04-05)
UNITS
msec
%
PWM
,