UPSD323X datasheet(75/176 Pages) STMICROELECTRONICS

Teilenummer	UPSD323X

Bauteilbeschribung	Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM

PDF	176 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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µPSD323X

Programmable Period 8-bit PWM

The PWM 4 channel can be programmed to pro-

vide a PWM output with variable pulse width and

period. The PWM 4 has a 16-bit Prescaler, an 8-

bit Counter, a Pulse Width Register, and a Period

PWM pulse width time, while the Period Register

defines the period of the PWM. The input clock to

the Prescaler is fOSC/2. The PWM 4 channel is as-

signed to Port 4.7.

Figure 37. Programmable PWM 4 Channel Block Diagram

AI07091

Port 4.7

16-bit Prescaler

(B4h, B3h)

16-bit Prescaler

Counter

8-bit Counter

8-bit PWM4P

(Period)

8-bit PWM4

Comparator

8-bit PWM4

Comparator

PWM4

Control

Match

CPU RD/WR

Load

Clock

Reset

PWMCON

Bit 6 (PWMP)

DATA BUS

CPU RD/WR

fOSC /2

PWMCON

Bit 5 (PWME)

8-bit PWM4W

(Width)

8-bit PWM4

Comparator

8-bit PWM4

Comparator

UPSD323X Datenblatt(PDF) 75 Page - STMicroelectronics

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