參數(shù)資料
型號(hào)： ST72141K2B3/XXX
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32
封裝： 0.400 INCH, PLASTIC, SDIP-32
文件頁數(shù)： 85/133頁
文件大?。?/td> 2615K
代理商： ST72141K2B3/XXX
Obsolete
Product(s)
- Obsolete
Product(s)
ST72141K2
55/133
MOTOR CONTROLLER (Cont’d)
Figure 34. Step Ratio Functional Diagram
4MHz
ST[3:0] Bits
4
1 / 2Ratio
1 / 2
Zn < 55h?
MTIM Timer = FFh?
+1
-1
ck
Tratio
R+
R-
2 MHz - 62.5 Hz
Ratio > 0?
Ratio = Ratio - 1
Zn = Zn x 2
Zn+1 = Zn+1 x 2
Dn = Dn x 2
Counter = Counter x 2
Begin
End
Yes
No
Z Capture with MTIM Timer Underflow (Zn < 55h)
Ratio < Fh?
Ratio = Ratio + 1
Zn = Zn / 2
Zn+1 = Zn+1/2
Dn = Dn/2
Counter = Counter/2
Begin
End
Yes
No
MTIM Timer Overflow
MTIM Timer control over Tratio and register operation
Slow-down control
Speed-up control
Re-compute Cn
Compute Cn
MPRSR Register
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST72141K2B6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH ELECTRIC-MOTOR CONTROL, ADC, 16-BIT TIMERS, SPI INTERFACE
ST72141K2M1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH ELECTRIC-MOTOR CONTROL, ADC, 16-BIT TIMERS, SPI INTERFACE
ST72141K2M3 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH ELECTRIC-MOTOR CONTROL, ADC, 16-BIT TIMERS, SPI INTERFACE
ST72141K2M3/XXX 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller
ST72141K2M6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH ELECTRIC-MOTOR CONTROL, ADC, 16-BIT TIMERS, SPI INTERFACE
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