参数资料
型号: ST72511R9T6S/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
封装: 14 X 14 MM, TQFP-64
文件页数: 115/164页
文件大小: 1043K
代理商: ST72511R9T6S/XXX
ST72311R, ST72511R, ST72512R, ST72532R
54/164
10.3 PWM AUTO-RELOAD TIMER (ART)
10.3.1 Introduction
The Pulse Width Modulated Auto-Reload Timer
on-chip peripheral consists of an 8-bit auto reload
counter with compare capabilities and of a 7-bit
prescaler clock source.
These resources allow three possible operating
modes:
– Generation of up to 4 independent PWM signals
– Output compare and Time base interrupt
– External event detector
The two first modes can be used together with a
single counter frequency.
The timer can be used to wake up the MCU from
WAIT and HALT modes.
Figure 30. PWM Auto-Reload Timer Block Diagram
OVF INTERRUPT
EXCL
CC2
CC1
CC0
TCE
FCRL
OIE
OVF
ARTCSR
fINPUT
PWMx
PORT
FUNCT ION
ALTERNATE
OCRx
COMPARE
REGIST ER
PROGRAMMABLE
PRESCALER
8-BIT COUNTER
(CAR REGISTE R)
ARR
REGISTER
LOAD
OPx
POLARITY
CONTROL
OEx
PWMCR
MUX
fCPU
DCRx
REGISTER
LOAD
fCOUNTER
ARTCLK
fEXT
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