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ST7MC2 Datasheet(PDF) 155 Page - STMicroelectronics

Part # ST7MC2
Description  8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI
PDF  308 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7MC2 Datasheet(HTML) 155 Page - STMicroelectronics

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MOTOR CONTROLLER (Cont’d)
Figure 82. Z Event Generation
ZVD bit
or
or
or
1
2
REO bit
CS,H
DS,H
CPBn bit*
Sample
MPOL Register
MCRB Register MPOL Register
PZ bit
MCRA Register
To D detection
ZS
SZ bit
Z = ZH& HZ bit+ ZS & SZ bit
ZH
F(x)
MTIM [8-bit Up Counter] (MSB)§
ZS
MZREG [Zn]
§
Compare
8
ZH
SZ bit
MCRC Register
MZFR register
ZWF[3:0]
§ Register updated on R event
* = Preload register, changes taken into account at next C event
SPLG bit
DS[3:0]
bits
HZ bit
MCRC Register
HZ bit
ZH
Z
To interrupt generator
MZFR register
ZEF[3:0]
ZWF[3:0]
1



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