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ST7MC1 数据表(PDF) 181 Page - STMicroelectronics

部件名 ST7MC1
功能描述  8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI
PDF  308 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7MC1 数据表(HTML) 181 Page - STMicroelectronics

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MOTOR CONTROLLER (Cont’d)
Figure 102. Overview of MTIM Timer in Speed Measurement Mode
S
C
§ = Register updated on R event
To interrupt generator
To interrupt generator
S
Compare
Clock
MSbits
clr
C
C
16-bit Up Counter
MTIM§
MTIML§
16-bit Capture Register
MZREG
MZPRV
LSbits
C
MDREG
(16MHz)
ST[3:0] Bits
4
1 / 2Ratio
MZREG < 55h?
MTIM Register = 100h?
+1
-1
Tratio
RPI
RMI
MPRSR Register
IS[1:0] bits
Encoder
Clock
TES[1:0] bits
MPAR* and MPHST*
IS[1:0] TES[1:0]
Registers: MSCR* MPHST* MPAR*
ECM
C
Tacho Capture
MTIM Read access
RTC interrupt
(Capture Event)
(Speed Error Event)
Compare
FFh (Fixed)
16 MHz - 500 Hz
RPI
To interrupt generator
RMI
To interrupt generator
(Ratio Increment Event)
(Ratio Decrement Event)
Bits:
Registers
Notes:
* = Register set-up described in
Speed Sensor Mode Section
(4MHz)
fMTC
fPERIPH
1



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