W79E825A Datasheet, PDF (98/127 Pages) Winbond – 8-BIT MICROCONTROLLER

W79E825A/824A/823B/822B Data Sheet
PWMP Register
Counter Register
PWMRUN
F_CPU
10-bits Counter
Clear
CLRPWM ^Counter
Compare Register
PWM0 Register
Compare Register
PWM1 Register
Compare Register
PWM2 Register
Compare Register
BKCH
Brake Flag
BKF
0 P0.2=0
1 P0.2=1
Brake ^{EnableExternal BrakePin}
load _{BPEN Control} ^{(BPEN,BKCH) =(1,0)}
Block
BKPS
BKEN
CF
Brake Pin
(P0.2)
X
PWM0I
++
>
0
Y _--
PWM0B 1
P0.1
PWM0
PIN 20
(P0.1)
X
PWM1I
+
Y>
0
-
PWM1B 1
P1.6
PWM1
X
PWM2I
+
0
Y>
-
PWM2B 1
P1.7
PWM2
X
PWM3I
+
0
Y>
-
PWM3B 1
P0.0
PWM3
PIN 3
(P1.6)
PIN 2
(P1.7)
PIN 1
(P0.0)
PWM3 Register
Figure 23-1: W79E825/824/823/822 PWM Block Diagram
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