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)： 75/152頁
文件大小： 1384K
代理商： ST72C171K2
ST72C171
75/152
PWM AUTO-RELOAD TIMER
(Cont’d)
PWM CONTROL REGISTER (PWMCR)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7:6 = Reserved.
Bit 5:4 =
OE[1:0]
PWM Output Enable
These bits are set and cleared by software. They
enable or disable the PWM output channels inde-
pendently acting on the corresponding I/O pin.
0: PWM output disabled.
1: PWM output enabled.
Bit 3:2 = Reserved.
Bit 1:0 =
OP[1:0]
PWM Output Polarity
These bits are set and cleared by software. They
independently select the polarity of the two PWM
output signals.
Note
: When an OPx bit is modified, the PWMx out-
put signal polarity is immediately reversed.
DUTY CYCLE REGISTERS (DCRx)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7:0 =
DC[7:0]
Duty Cycle Data
These bits are set and cleared by software.
A DCRx register is associated with the OCRx reg-
ister of each PWM channel to determine the sec-
ond edge location of the PWM signal (the first
edge location is common to all channels and given
by the ARR register). These DCR registers allow
the duty cycle to be set independently for each
PWM channel.
7
0
0
0
OE1
OE0
0
0
OP1
OP0
PWMx output level
OPx
Counter <= OCRx
1
0
Counter > OCRx
0
1
0
1
7
0
DC7
DC6
DC5
DC4
DC3
DC2
DC1
DC0
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ST72C215G2B6 功能描述:8位微控制器 -MCU Flash 8K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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ST72C215G2M5 制造商:STMicroelectronics 功能描述:MCU 8BIT ST7 CISC 8KB FLASH 3.3V/5V 28SOIC - Rail/Tube
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