MEC1404 Datasheet, PDF (513/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
43.11 Blinking/Breathing PWM Timing
FIGURE 43-9:
BLINKING/BREATHING PWM OUTPUT TIMING
LEDx
t1
t2
t3
TABLE 43-11: BLINKING/BREATHING PWM TIMING PARAMETERS, BLINKING MODE
Name
t1
t_f
t2
t3
t_d
Period
Frequency
High Time
Low Time
Duty cycle
Description
MIN
TYP
7.8ms
0.03125
0
0
0
MAX
32sec
128
16
16
100
Units
Hz
sec
sec
%
TABLE 43-12: BLINKING/BREATHING PWM TIMING PARAMETERS, GENERAL PURPOSE
Name
t1
t_f
t2
t3
t_d
Period
Frequency
High Time
Low Time
Duty cycle
Description
MIN
5.3us
45.8Hz
0
0
0
TYP
MAX
Units
21.8ms
187.5kHz
10.9
ms
10.9
ms
100
%
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DS00001956D-page 513