直流电机测速原理图
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34
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67
78
8
D
D
C
C
B
B
A
A
Title Number
Revision
Size A3Date:
2013-5-21Sheet of
File:
F:\\..\
.SchDoc D rawn By:
f 9
g 10e 1d 2K 3c 4DP
5b 6a
7K 8D1
f 9
g 10e 1d 2K 3c 4DP
5b 6a
7K 8D4
f 9
g 10e 1d 2K 3c 4DP
5b 6a
7K 8D3
f 9
g 10e 1d 2K 3c 4DP
5b 6a
7K 8D2
D0D1D2D3D4D5D6D7D0D1D2D3D4D5D6D7D0D1D2D3D4D5D6D7D0D1D2D3D4D5D6D7C200.1uF
VCC
VCC
3303301OUT ENABLE
2D03D14D25D36D47D58D69D710GND 11
LAT ENABLE 12
Q713Q614
Q515Q416
Q317Q218Q119
Q020VCC
74LS573330330330330330330P0.1P0.2P0.3P0.4P0.5P0.6P0.0P0.7
C200.1uF
VCC
VCC
3303301OUT ENABLE
2D03D14D25D36D47D58D69D710GND 11
LAT ENABLE 12
Q713Q614Q515Q416Q317Q218Q119
Q020VCC
74LS573
330
330
330330330330P1.1P1.2P1.3
P1.0
330
1K
GND
VCC
OUTA
1INA-
2
INA+
3GND
4
INB+
5
INB-6
OUTB
7
VCC 8
*LM358
10K
4K7
P3.2
P1.0/T2
1
P1.1/T2EX 2P1.23P1.34P1.45P1.56P1.67P1.7
8RST
9P3.0/RXD
10
P3.1/TXD 11P3.2/INT012P3.3/INT113P3.4/T014P3.5/T115P3.6/WR
16P3.7/RD 17
XTAL2
18
XTAL119GND
20
P2.0/A821
P2.1/A9
22P2.2/A1023P2.3/A1124P2.4/A1225P2.5/A1326P2.6/A1427P2.7/A1528PSEN 29ALE 30
EA 31P0.7/AD732
P0.6/AD633
P0.5/AD534
P0.4/AD435
P0.3/AD336
P0.2/AD237
P0.1/AD138
P0.0/AD039
VCC 40U5
STC89C52
Y211.0592MHz
C1420p
C1520p
单片机最小系统路
K17RESET R314.7K
C110.1uF +5
R6018VCC
VCC
RESET VCC
10K
GND
RESET
10K
RESET
10K
P2.0
P2.1
P2.2IN15IN27
IN310IN4
12
6EN_A
11
EN_B 8GND
ISEN_B
15
ISEN_A
1
OUT414OUT3
13OUT23
OUT12VS 4VSS 9*LM298*LM298