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ST72141K2 Scheda tecnica(PDF) 43 Page - STMicroelectronics

Il numero della parte ST72141K2
Spiegazioni elettronici  8-BIT MCU WITH ELECTRIC-MOTOR CONTROL, ADC, 16-BIT TIMERS, SPI INTERFACE
PDF  132 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72141K2 Scheda tecnica(HTML) 43 Page - STMicroelectronics

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MOTOR CONTROLLER (Cont’d)
Table 11. Step Configuration Summary
For a detailed description of the MTC registers, see Section 8.1.7.
Configuration
Step
Σ
1
Σ
2
Σ
3
Σ
4
Σ
5
Σ
6
Current direction
A to B
A to C
B to C
B to A
C to A
C to B
High side
T0
T0
T2
T2
T4
T4
Low side
T5
T1
T1
T3
T3
T5
OO[5:0] bits in MPHST register
100001
000011
000110
001100
011000
110000
Measurement done on:
MCIC
MCIB
MCIA
MCIC
MCIB
MCIA
IS[1:0] bits in MPHST register
10
01
00
10
01
00
Back EMF shape
Falling
Rising
Falling
Rising
Falling
Rising
CPB bit in MCRB register
(ZVD bit = 0)
01
0101
Voltage on measured point at the
start of demagnetization
0V
HV
0V
HV
0V
HV
HDM-SDM bits in MCRB register
10
11
10
11
10
11
PWM side selection to accelerate
demagnetization
Odd Side Even Side Odd Side Even Side Odd Side Even Side
Driver selection to accelerate de-
magnetization
T5
T0
T1
T2
T3
T4



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