st7fmc2s7t6 STMicroelectronics, st7fmc2s7t6 Datasheet - Page 147

• Manufacturer Part Number: st7fmc2s7t6
• Description: 8-bit Mcu With Nested Interrupts, Flash, 10-bit Adc, Brushless Motor Control, Five Timers, Spi, Linsci
• Manufacturer: STMicroelectronics

MOTOR CONTROLLER (Cont’d)
Figure 78. Input Stage in Sensorless or Sensor Mode
D
R
* = Preload register, changes taken into account at next C event
Notes:
Reg
A
B
C
1
Reg
O
2
C
Z
S,H
E
V
+/-
I
n
Voltage Mode
events:
Commutation
BEMF Zero-crossing
End Of Demagnetization
Emergency Stop
Ratio Updated (+1 or -1)
Multiplier Overflow
Branch taken after C event
Branch taken after D event
Current Mode
Updated/Shifted on R
Updated with Reg
MCVREF
MCIB
MCIC
MCIA
n+1
Input Block
on C
12-bit PWM generator Signal U
Sampling frequency
Sample
C
S,H
D
Input
S,H
n
00
01
10
Sel Reg
Input Comparator Block
2
1
MCRC Register
VR[2:0]
Z Event Generation
D Event Generation
111
MPOL Register
CPB
REO bit
C
V
S,H
f
MCRB Register
REF
or
SCF
MCRA Register
n
V0C1 bit
bit*
MPHST Register
IS[1:0]
MCRA Register
SR bit
MCRB Register MPOL Register
HDM
CPB
+
-
(bits TES[1:0] = 00)
n
n
bit*
bit*
or
I
V
or
MCRA Register
ZVD bit
or
CP
D Q
1
2
SR bit
Event Detection
MCRC Register
MCONF Register
DS[3:0] bits
SPLG bit
D
S,H
ST7MC1/ST7MC2
C
Sample
MCRA Register
S,H
MDFR Register
MZFR Register
to Z
DWF[3:0]
ZWF[3:0]
PZ bit
to D
H
Generation
H
Generation
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