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ST7MC1 датащи(PDF) 215 Page - STMicroelectronics

номер детали ST7MC1
подробное описание детали  8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI
PDF  308 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7MC1 датащи(HTML) 215 Page - STMicroelectronics

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MOTOR CONTROLLER (Cont’d)
MOTOR D EVENT FILTER REGISTER (MDFR)
Read/Write
Reset Value: 0000 1111 (0Fh)
Bits 7:4 = DEF[3:0]: D Event Filter bits
These bits select the number of valid consecutive
D events (when the D event is detected) needed to
generate the active event. Sampling is done at the
selected fSCF frequency, see Table 82.
Table 69. D Event filter Setting
Bit 3:0 = DWF[3:0]: D Window Filter bits
These bits select the length of the blanking win-
dow activated at each C event. The filter blanks
the D event detection.
Table 70. D Window Filter setting
Note: Times are indicated for 4 MHz fPERIPH
76
54
32
10
DEF3
DEF2
DEF1
DEF0
DWF3 DWF2 DWF1 DWF0
DEF3 DEF2 DEF1 DEF0
D event
Samples
SR=1
00
00
1
00
01
2
00
10
3
00
11
4
01
00
5
01
01
6
01
10
7
01
11
8
10
00
9
10
01
10
10
10
11
10
11
12
11
00
13
11
01
14
11
10
15
11
11
16
DWF3 DWF2 DWF1 DWF0
C to D
Window
Filter in
Sensorless
mode (SR=0)
SR=1
0000
5µs
0001
10µs
0010
15µs
0011
20µs
0100
25µs
0101
30µs
0110
35µs
0111
40µs
1000
60µs
1001
80µs
1010
100µs
1011
120µs
1100
140µs
1101
160µs
1110
180µs
1111
200µs



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