參數(shù)資料
型號: ST72C171K2
廠商: 意法半導(dǎo)體
英文描述: 8-BIT MCU WITH 8K FLASH. ADC. WDG. SPI. SCI. TIMERS SPGAS (SOFTWARE PROGRAMMABLE GAIN AMPLIFIERS). OP-AMP
中文描述: 8位8K閃存微控制器。 ADC的。水分散粒劑。的SPI。脊髓損傷。定時器SPGAS(軟件可編程增益放大器)。運放
文件頁數(shù): 69/152頁
文件大?。?/td> 1384K
代理商: ST72C171K2
ST72C171
69/152
7.6 PWM AUTO-RELOAD TIMER (ART)
7.6.1 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 4 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 41. PWM Auto-Reload Timer Block Diagram
OVF INTERRUPT
EXCL
CC2
CC1
CC0
TCE
FCRL
OIE
OVF
ARTCSR
f
INPUT
PWMx
PORT
FUNCTION
ALTERNATE
OCRx
REGISTER
COMPARE
PROGRAMMABLE
PRESCALER
8-BIT COUNTER
(CAR REGISTER)
ARR
REGISTER
ICRx
REGISTER
LOAD
OPx
POLARITY
CONTROL
OEx
PWMCR
MUX
f
CPU
DCRx
REGISTER
LOAD
f
COUNTER
ARTCLK
f
EXT
ARTICx
ICFx
ICSx
ICCSR
LOAD
ICx INTERRUPT
ICIEx
INPUT CAPTURE
CONTROL
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