参数资料
型号: ST72621L4M1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO34
封装: 0.300 INCH, LEAD FREE, SHRINK, PLASTIC, SOP-34
文件页数: 78/139页
文件大小: 1264K
代理商: ST72621L4M1
ST7262xxx
43/139
Doc ID 6996 Rev 5
10.2 PWM AUTO-RELOAD TIMER (ART)
10.2.1 Introduction
The Pulse Width Modulated Auto-Reload Timer
on-chip peripheral consists of an 8-bit auto reload
counter with compare/capture capabilities and of a
7-bit prescaler clock source.
These resources allow five possible operating
modes:
– Generation of up to 2 independent PWM signals
– Output compare and Time base interrupt
– Up to two input capture functions
– External event detector
– Up to two external interrupt sources
The three 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 31. PWM Auto-Reload Timer Block Diagram
OVF INTERRUPT
EXCL
CC2
CC1
CC0
TCE
FCRL
OIE
OVF
ARTCSR
fINPUT
PWMx
PORT
FUNCTION
ALTERNATE
OCRx
COMPARE
REGISTER
PROGRAMMABLE
PRESCALER
8-BIT COUNTER
(ARTCAR REGISTER)
ARTARR
REGISTER
ARTICRx
REGISTER
LOAD
OPx
POLARITY
CONTROL
OEx
PWMCR
MUX
fCPU
PWMDCRx
REGISTER
LOAD
fCOUNTER
ARTCLK
fEXT
ARTICx
ICFx
ICSx
ARTICCSR
LOAD
ICx INTERRUPT
ICIEx
INPUT CAPTURE
CONTROL
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