基于51单片机的语音控制系统
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R13
GND
VCC J1
R6
PHONE
U4
1 2 3 4 5 6 7 8 9 10
A0 A1 A3 A4 A5 A6 A7 A8 A9 A10
VCCD VCCA
28 16
VSSD VSSA
12 13
SP+ SPAUX/N ANA/IN
14 15 11 20
23 24 27 25 22 26
CE ANAOUT
U7B
3
4
SN74LS14D
GND C
D
Title
D
Size
Number
Revision
A4
Date: File:
2020/10/7 F:\MySheJi\..\Sheet1.SchDoc
Sheet of Drawn By:
1
2
3
4
PD
PR MIC/REF
OEW
MIC
OVF
XCLK
AGC
21
18 17
19
ISD2560
GND R2
A
C4
C5
VCC GND
R5
C7
VCC
C14
B
C15 MK1
GND C13
T1
C20 C18
R4 R3 C16
3 AC AC 1
4 VC19
B1 V+ 2
U1A
1
2
SN74LS14D Z1 C21 R7
17 16
RD WR
AT89C51
P00 P01 P02 P03 P04 P05 P06 P07
39 38 37 36 35 34 33 32
P20 P21 P22 P23 P24 P25 P26 P27
21 22 23 24 25 26 27 28
RXD TXD ALE/P PSEN
10 11 30 29
U5
12 13 14 15 16 17 18 19
AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7
PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7
21 22 23 24 25 26 27 28
8 9 10 7 11
6 3
4
PB0
CE
PB1
RD
PB2
WR
PB3
IO/M PB4
ALE
PB5
PB6
PB7
TMROUT
PC0
TMRIN PC1
PC2
PC3
PC4
RESET PC5
29 30 31 32 33 34 35 36
37 38 39 1 2 5
8155
S1
C
RESET
VCC C1 R1
GND
VCC
D1
U7D
U7E
9
8 11
10
SN74LS14D
R11 SN74LS14D
Q1 3DG12
1
2
3
4
P1
VCC
2
1
GND
A
HEADER 2
VCC
R12
R10
C17 GND B
GND
C2 Y1 XTAL
C3
U3
1 2 3 4 5 6 7 8
P10 P11 P12 P13 P14 P15 P16 P17
Baidu Nhomakorabea
13 12
INTL INTO
15 14
T1 T0
31 EA/VP
19 18
X1 X2
RESET 9 RESET
GND
VCC J1
R6
PHONE
U4
1 2 3 4 5 6 7 8 9 10
A0 A1 A3 A4 A5 A6 A7 A8 A9 A10
VCCD VCCA
28 16
VSSD VSSA
12 13
SP+ SPAUX/N ANA/IN
14 15 11 20
23 24 27 25 22 26
CE ANAOUT
U7B
3
4
SN74LS14D
GND C
D
Title
D
Size
Number
Revision
A4
Date: File:
2020/10/7 F:\MySheJi\..\Sheet1.SchDoc
Sheet of Drawn By:
1
2
3
4
PD
PR MIC/REF
OEW
MIC
OVF
XCLK
AGC
21
18 17
19
ISD2560
GND R2
A
C4
C5
VCC GND
R5
C7
VCC
C14
B
C15 MK1
GND C13
T1
C20 C18
R4 R3 C16
3 AC AC 1
4 VC19
B1 V+ 2
U1A
1
2
SN74LS14D Z1 C21 R7
17 16
RD WR
AT89C51
P00 P01 P02 P03 P04 P05 P06 P07
39 38 37 36 35 34 33 32
P20 P21 P22 P23 P24 P25 P26 P27
21 22 23 24 25 26 27 28
RXD TXD ALE/P PSEN
10 11 30 29
U5
12 13 14 15 16 17 18 19
AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7
PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7
21 22 23 24 25 26 27 28
8 9 10 7 11
6 3
4
PB0
CE
PB1
RD
PB2
WR
PB3
IO/M PB4
ALE
PB5
PB6
PB7
TMROUT
PC0
TMRIN PC1
PC2
PC3
PC4
RESET PC5
29 30 31 32 33 34 35 36
37 38 39 1 2 5
8155
S1
C
RESET
VCC C1 R1
GND
VCC
D1
U7D
U7E
9
8 11
10
SN74LS14D
R11 SN74LS14D
Q1 3DG12
1
2
3
4
P1
VCC
2
1
GND
A
HEADER 2
VCC
R12
R10
C17 GND B
GND
C2 Y1 XTAL
C3
U3
1 2 3 4 5 6 7 8
P10 P11 P12 P13 P14 P15 P16 P17
Baidu Nhomakorabea
13 12
INTL INTO
15 14
T1 T0
31 EA/VP
19 18
X1 X2
RESET 9 RESET