參數(shù)資料
型號: ST72T141K2MARE
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO34
封裝: 0.300 INCH, LEAD FREE, PLASTIC, SOP-34
文件頁數(shù): 89/131頁
文件大?。?/td> 3096K
代理商: ST72T141K2MARE
ST72141K2-Auto
60/131
MOTOR CONTROLLER (Cont’d)
The measurement window frequency can be pro-
grammed between 195 Hz and 25 kHz by the
means of the SA[3:0] bits in the MPRSR register.
In sensorless mode this measurement window can
be used to detect either End of Demagnetization
or BEMF zero crossing events. Its width can be
defined between 5s and 30s in sensorless
mode by the OT[1:0] bits in the MPOL register. In
sensor mode (SR = 1) this off time is fixed at
1.25s.
Table 22. Off-Time Table
Table 23. Sampling Frequency Selection
Figure 37. Sampling clock generation block
OT1
bit
OT0
bit
Off-Time
Sensorless Mode
(SR bit = 0)
Off-Time
Sensor Mode
(SR bit = 1)
0
5
s
1.25
s
0
1
10
s
1
0
15
s
1
30
s
SA3
SA2
SA1
SA0
Sampling Frequency
0
25.0 kHz
0
1
20.0 kHz
0
1
0
18.1 kHz
0
1
15.4 kHz
0
1
0
12.5 kHz
0
1
0
1
10.0 kHz
0
1
0
6.25 kHz
0
1
3.13 kHz
1
0
1.56 kHz
1
0
1
1.25 kHz
1
0
1
0
1.14 kHz
1
0
1
961 Hz
1
0
781 Hz
1
0
1
625 Hz
1
0
390 Hz
1
195 Hz
Frequency logic
4 MHz1
Off-Time logic
S
Q
R
4
SA[3:0] bits
2
OT[1:0] bits
Toff
Tsampling
(1) The MTC controller input frequency must always be 4 MHz,
whatever the crystal frequency is. The appropriate internal
frequency can be selected in the Miscellaneous register.
MPRSR Register
MPOL Register
相關(guān)PDF資料
PDF描述
ST7FL09Y0MATRE 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16
ST7FL09Y0MBE 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16
ST7FL05Y0MAE 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16
ST7FL05Y0MBTRE 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16
ST7FL05Y0MATRE 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST72T212G2B6 功能描述:8位微控制器 -MCU OTP EPROM 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(shí)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
ST72T212G2M6 功能描述:8位微控制器 -MCU OTP EPROM 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(shí)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
ST72T213G1B6 功能描述:8位微控制器 -MCU OTP EPROM 4K 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(shí)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
ST72T213G1M6 功能描述:8位微控制器 -MCU OTP EPROM 4K 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(shí)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
ST72T251G1B6 功能描述:8位微控制器 -MCU OTP EPROM 4K SPI/I2C 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(shí)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