UPSD3212A Datasheet, PDF (68/163 Pages) STMicroelectronics – Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic

uPSD3212A, uPSD3212C, uPSD3212CV
Figure 36. Four-Channel 8-bit PWM Block Diagram
DATA BUS
8
x4
CPU rd/wr
8-bit PWM0-PWM3
Data Registers
x4
load
8-bit PWM0-PWM3
Comparators Registers
CPU rd/wr
16-bit Prescaler
Register
(B2h,B1h)
f_OSC/2
16-bit Prescaler
Counter
load
PWMCON bit5 (PWME)
x4
8-bit PWM0-PWM3
Comparators
8
8-bit Counter
clock
Overflow
Port4.3
Port4.4
Port4.5
4
Port4.6
PWMCON bit7 (PWML)
AI06647
68/163