参数资料
型号: ST72141K2B3/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32
封装: 0.400 INCH, PLASTIC, SDIP-32
文件页数: 72/133页
文件大小: 2615K
代理商: ST72141K2B3/XXX
Obsolete
Product(s)
Product(s)
ST72141K2
43/133
MOTOR CONTROLLER (Cont’d)
Table 12. Step Configuration Summary
For a detailed description of the MTC registers, see Section 8.1.7.
Configuration
Step
Σ1
Σ2
Σ3
Σ4
Σ5
Σ6
Phase
state
re
gister
Current direction
A to B
A to C
B to C
B to A
C to A
C to B
High side
T0
T2
T4
Low side
T5
T1
T3
T5
OO[5:0] bits in MPHST register
100001
000011
000110
001100
011000
110000
BE
MF
input
Measurement done on:
MCIC
MCIB
MCIA
MCIC
MCIB
MCIA
IS[1:0] bits in MPHST register
10
01
00
10
01
00
BE
M
F
edge
Back EMF shape
Falling
Rising
Falling
Rising
Falling
Rising
CPB bit in MCRB register
(ZVD bit = 0)
0
101
01
Hardware
or
Hardw
a
re-so
ftw
are
de
magnetiz
a
tion
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
D
e
magneti
z
a
ti
on
sw
itch
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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