ST7FLU05MCE View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST7FLU05MCE

8-bit low cost, low pin-count MCU for automotive, with single voltage Flash memory, ADC, timers

STMicroelectronics 

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ST7LUS5, ST7LU05, ST7LU09

On-chip peripherals

10.2 12-bit autoreload timer

10.2.1

Introduction

The 12-bit autoreload timer can be used for general-purpose timing functions. It is based on

a free-running 12-bit upcounter with a PWM output channel.

10.2.2 Main features

● 12-bit upcounter with 12-bit autoreload register (ATR)

● Maskable overflow interrupt

● PWM signal generator

● Frequency range 2 kHz to 4 MHz (@ 8 MHz fCPU)

t(s) – Programmable duty-cycle

– Polarity control

uc – Maskable compare interrupt

d ● Output compare function

Pro t(s) Figure 32. Block diagram

lete duc 7 ATCSR

so ro 0

0

OVF interrupt

0 request

0 CK1 CK0 OVF OVFIE CMPIE

) - Ob lete P fLTIMER

t(s o (1ms timebase

s @ 8 MHz)

uc Ob fCPU

te Prod ct(s) - DCR0H

le u Preload

DCR0L

Preload

bso Prodon OVF event

IF OE0=1

O te12-bit duty cycle value (shadow)

fCOUNTER

CNTR

ATR

CMPF0

CMP interrupt

request

12-bit upcounter

Update on OVF event

12-bit autoreload value

OE0 bit

OE0 bit CMPF0 bit

0

Compare

1

OP0 bit

fPWM Polarity

PWM0

Obsole 10.2.3 Functional description

PWM mode

This mode allows a pulse width modulated signals to be generated on the PWM0 output pin

with minimum core processing overhead. The PWM0 output signal can be enabled or

disabled using the OE0 bit in the PWMCR register. When this bit is set the PWM I/O pin is

configured as output push-pull alternate function.

Note:

CMPF0 is available in PWM mode (see PWM0CSR register description on page 85).

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