单片机最小系统
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2014-06-20
23:43:07
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1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
DD1
JP
DC 5V
+5V
+
470u
CP11
VIN
IN
3
G
1
OUT
2
OUT
4
V2 3.3V
+3.3V +5V
1
2
3
J-PWR
1
2
3
4
JPWR
GND
电源模块
VIN1
4.7k
R9
DP
POWER
1 2
34
56
RK1
CKO
1
ACT#
2
TXD
3
RXD
4
V3
5
UD+
6
UD-
7
GND
8
XI
9
XO
10
CTS#
11
DSR#
12
RI#
13
DCD#
14
DTR#
15
RTS#
16
NC.
17
R232
18
VCC
19
NOS#
20
U3
CH340T
103
CV
22u
C6
104
C7
D-
D+
12M
G2
C4
22P
C3
DTR
1
2
USBF
RTS
DTR
TXD-U
VIN
GND
RTS
104
CX2
104
CX3
104
CX1
104
CX4
C1+
1
C1-
3
C2+
4
C2-
5
V+
2
V-
6
VCC
16
GND
15
T1IN
11
T1OUT
14
T2IN
10
T2OUT
7
R1OUT
12
R1IN
13
R2OUT
9
R2IN
8
U2
MAX232
1
6
2
7
3
8
4
9
5
COMP
TXD_R
RXD_R
RRXD
TTXD
104
CX7
VCC
GND
GND
GND
VBUS
1
D-
2
D+
3
GND
4
shell
5
shell
5
USB
D+
GND
D-
+5V
自动下载
MAX232
GND
PD1
PD2
VCC
1
2
J10
PS2
TXD-U
TXD
TXD_R
RXD-U
RXD
RXD_R
1
2
3
J-TXD
1
2
3
J-RXD
使用USB：接到TXD- U和RXD- U
使用RS232：接到TXD- R和RXD- R
104
C22
104
C23
104
C8
VCC
P01
P02
P03
P04
P05
P06
P07
P00
P1.0
1
P1.1
2
P1.2
3
P1.3
4
P1.4
5
P1.5
6
P1.6
7
P1.7
8
RST/VPD
9
P3.0/RxD
10
P3.1/TxD
11
P3.2/INT0
12
P3.3/INT1
13
P3.4/T0
14
P3.5/T1
15
P3.6/WR
16
P3.7/RD
17
XTAL2
18
XTAL1
19
GND
20
P2.0
21
P2.1
22
P2.2
23
P2.3
24
P2.4
25
P2.5
26
P2.6
27
P2.7
28
PSEN
29
ALE/PROG
30
EA/Vpp
31
P0.7
32
P0.6
33
P0.5
34
P0.4
35
P0.3
36
P0.2
37
P0.1
38
P0.0
39
VCC
40
CPU
P10
P11
P12
P13
P14
P00
P01
P02
P03
P04
P05
P06
P07
P35
P36
P34
RST
RXD
TXD
P32/CS1
P33/CS2
P16
WR
RD
XT2
XT1
GND
LCDE
P17
P24
P23
P22
SDA
SCL
P15
P35
P36
P37
P37
P17
P16
1
2
3
4
5
6
7
8
JP8
1
2
3
4
5
6
7
8
JP10
1
2
3
4
5
6
7
8
JP9
1
2
3
4
5
6
7
8
JP11
1 2
3 4
5 6
7 8
9 10
ISP
RST
P15
P16
P17
VCC
GND
GND
GND
GND
8
7
6
54
3
2
1
103RP3B
8
7
6
5 4
3
2
1
103RP5B
8
7
6
5 4
3
2
1
103
RP5A
8
7
6
54
3
2
1
103RP3A
VCC
8
7
6
5 4
3
2
1
103
RP4A
VCCVCC
P10
P11
P12
P13
8
7
6
5 4
3
2
1
103RP6
P15
P14
8
7
6
5 4
3
2
1
103RP4B
VCC
VCC
472
R1
ISP
33P
C1
XT2XT1
33P
C2
1
2
3
12MHZSo1
GND
1
I/O
2
VCC
3
DS18B20
GND
VCC
P37
OUT
1
Vss
2
Vdd
3
IR
P32 /CS1
GND
VCC
1
2
J1
IRD
IRD
温度 红外
10uF
C5
VCC
10k
R10
HRST
RST
HRST
LRST
1
2
3
J9
VCC
470
R11
HRST
10k
R12
GND
e
B
c
Q3
8550
IN1
1
IN2
2
IN3
3
IN4
4
IN5
5
IN6
6
IN7
7
OUT1
16
OUT3
14
OUT4
13
OUT5
12
OUT6
11
OUT7
10
OUT2
15
COM
9
GND
8
U15
ULN2003D
GND
1
2
3
4
5
M1
104
C26
GND
VCC
D1
C1
B1
A1
A1
B1
C1
D1
A2
B2
C2
IO1
IO2
GND
PHA1
PHA2
I12
M-/A
M-B
M-A
M-/B
VCC
8
PHASE1
11
PHASE2
3
IO1
13
IO2
1
I11
12
I12
2
RC1
9
RC2
5
VREF1
10
VREF2
4
VBB
24
OUT1A
17
OUT1B
14
OUT2A
20
OUT2B
23
SENSE1
15
E1
16
SENSE2
22
E2
21
GND
6
GND
7
GND
18
GND
19
U18
UDN2916
1
2
3
4
M_OUT
VCC
470p
C40
56k
R40
470p
C41
GND
56k
R41
12k
R42
1.43k
R43
1k
R44
4700p
C42
1.43k
R45
1k
R46
4700p
C43
1
2
3
4
5
6
M_IN
VCC
VCC
104
C44
GND
BZ
- +
100
R19
1
2
NO
4.7k R37
DK
1 2
34
56
RK2
NO1
NO1
NC1
VCC VCC
DD2
100
R38
100
R39
A
6
B
7
DI
4
RO
1
RE
2
DE
3
VCC
8
GND
5
U9
MAX485
RS485DIR
TXD2
RXD2 A
B
GND
VCC
104
C91
2
RS485
1
2
3
J-485
GND
1
VCC
2
VO
3
RS
4
RW
5
E
6
DB0
7
DB1
8
DB2
9
DB3
10
DB4
11
DB5
12
DB6
13
DB7
14
BG VC C
15
BG GND
16
LCD 1602
J1602
LCD1602
104
C30
VCC
RD
WR
LCDE
104
C31
P0[0:7]
P00
P01
P02
P03
P04
P05
P06
P07
RJ6(1602)
502
GND
VCC
A
1
B
2
C
3
G2A
4
G2B
5
G1
6
Y7
7
GND
8
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
VCC
16
U12
74LS138
1
2
3
4
5
6
7
8
J15
1
2
3
J6
VCC
VCC
AGND
13
EXT
12
VREF
14
SCL
10
OSC
11
AOUT
15
AIN0
1
AIN1
2
AIN2
3
AIN3
4
A0
5
A1
6
A2
7
SDA
9
VCC
16
GND
8
U7
PCF8591P
SCL
SDA
VCC
GND
502
AD0
1
2
3
J4
AIN0
AIN1
AIN2
AIN3
GND
DPa
DPb
DPc
DPd
DPe
DPf
DPg
DPh
1
2
3
4
5
6
7
8
J12
1
2
3
4
5
6
7
8
J16
LE
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
OE
1
LE
11
Q0
19
Q1
18
Q2
17
Q3
16
Q4
15
Q5
14
Q6
13
Q7
12
VCC
20
GND
10
U13
74573
GND VCC
GND
D11
D12
D13
D14
D15
D16
D17
D18
8
7
6
5 4
3
2
1
104
RP23
8
7
6
5 4
3
2
1
104
RP22
GND
GND
JR1
JR2
JR3
JR4
JR5
JR6
JR7
JR8
JR1
JR2
JR3
JR4
JR5
JR7
JR8
JR6
8
7
6
54
3
2
1
101
RP20
8
7
6
54
3
2
1
101RP21
RQ0
470
R0
1.5K
R2
5K
C0
47uF
VCC
VIN
GND
GND
VIN1
AUTO
AUTO
1
2
ON
VCC
VIN1
1
J2
1
J8
e
B
c
Q1
8550
e
B
c
Q2
8550
RS485
蜂鸣器
138译码器
复位
MCU
1
2
3
4
IM1
GND
GND
RD
WR
LCDE
P00
P01
P02
P03
P04
P05
P06
P07
P32/CS1
P33/CS2
P34
SDA
SCL
P22
P23
P24
P37
P10
P11
P12
P13
P14
P15
P16
P17
VCC
VCC
502
RJ5(TFT)
8* 8双色点阵
1
2
3
4
5
6
7
8
JP3
8
7
6
5 4
3
2
1
471
RP11
8
7
6
5 4
3
2
1
471
RP10
VCC
103
R35
103
R36
VCC
SDA
SCL
P22
P23
P24
WR
RD
LCDE
P32/CS1
P33/CS2
GND
VCC
103
R15
104
R16
1
2
NTC1
1
2
RG1
AIN1 AIN2
AIN0
102
R28
DA
AOUT
GND
AOUT
E0
1
E1
2
E2
3
VSS
4
SDA
5
SCL
6
WE
7
VDD
8
U1
24C16
SDA
SCL
GND
GND
VCC
CX8
1
2
3
4
5
6
7
8
JP1
8
7
6
54
3
2
1
471
RP12
8
7
6
54
3
2
1
471
RP13
D5
D6
D7
D8
D10
D1
D2
D3
D4
D9
471
R47
471
R48
VCC
1
2
3
4
5
6
7
8
JP4
P-10
P-11
P-17
P-16
P-15
P-14
P-13
P-12
S1 S2 S3 S4
S5 S6 S7 S8
S9 S10 S11 S12
S13 S15 S16
1
2
3
4
5
6
7
8
JP5
GND
OE
13
RCLK
12
SER
14
SRCLR
10
SRCLK
11
QA
15
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH'
9
VCC
16
GND
8
U4
74HC595
P36
P35
VCC
GND
VCC
1
2
3
4
5
6
7
8
P595_A
1
2
JP595
OE
13
RCLK
12
SER
14
SRCLR
10
SRCLK
11
QA
15
QB
1
QC
2
QD
3
QE
4
QF
5
QG
6
QH
7
QH'
9
VCC
16
GND
8
U5
74HC595
SER2
P36
P35
VCC
GND
VCC
1
2
3
4
5
6
7
8
P595_B
SER2
SER3
K1
K2
K3
K4
K5
K6
K7
K8
P16
P36
K1
K2
K3
K4
K5
K6
K7
K8GND
SH/LD
1
CLK
2
E
3
F
4
G
5
H
6
QH
7
GND
8
QH
9
SER
10
A
11
B
12
C
13
D
14
CLK INH
15
VCC
16
U8
74LS165
104
C15
VCC
1
2
3
4
5
6
7
8
JP6
8
7
6
5 4
3
2
1
104
RP2A
8
7
6
54
3
2
1
104RP2B
VCC
VCC
1
2
JP165
DSIO
32.768
A1
DSIO
P35 104
CX10
BATT+
BT1
BATTERY
VCC2
1
X1
2
X2
3
GND
4
CE
5
I/O
6
SCLK
7
VCC1
8
U0
DS1302
VCC
P36
1
2
JP1302
P34
P34
P17
TRIG
2
OUT
3
4
CVOLT
5
THOLD
6
DISCHG
7
8
1
RESET VCC
GND
U10 NE555
202
R50
GND
0.01uF
C10
1
2
J11
P35
204
VR1
104
C11
102
R51
TRIG
TRIG
SHEET NAME:
SHEET SIZE :
AUTHOR NAME:
TIME:
HC6800_EM3 V2.2
2500mil*1500mil
Zhou
2012-12-22
EEPROM
LCD1602
1
2
3
J21
VCCP10
LE
TFT
12864/
19264
VCC
74HC595 74HC165 DS 1302
NE555
光敏/ 温敏
交通灯
矩阵键盘
独立按键
I11
VCC
DV
471
RLED
GND
RXD-U
a
bf
c
g
d
e
VCC
1
2
3
4
5
6
7
a
b
c
d
e
f
g
8
dp
dp
9
DS1
AMBERCA
S14
K1 K2 K3 K4
K5 K6 K7 K8
RSTK
GN D
1
VC C
2
NC
3
P2 6
4
P2 5
5
P2 7
6
P0 0
7
P0 1
8
P0 2
9
P0 3
10
P0 4
11
P0 5
12
P0 6
13
P0 7
14
P3 2
15
P3 3
16
P3 4
17
T-CS
34
BUSY
35
PEN
36
DO
30
CLK
31
DI
32
SD-CS
33
NC
18
VC C
19
GND
20
P10
21
P11
22
P12
23
P13
24
P14
25
P15
26
P16
27
P17
28
NC
29
TFT
tft
e
B
c
TP
8050
e
B
c
Q0
8550
1
2
3
4
5
6
7
8
9
10
11
12
J18
1
2
3
4
5
6
7
8
9
10
11
12
J17
1
2
3
4
5
6
7
8
J19
1
2
3
4
5
6
7
8
J20
GR5
RE5
DPe
GR6
RE6
DPf
GR7
RE7
DPg
GR8
RE8
DPh
GR1
RE1
DPa
GR2
RE2
DPb
GR3
RE3
DPc
GR4
RE4
DPd
GR1
GR2
GR3
GR4
GR5 RE5
GR6 RE6
GR7 RE7
GR8 RE8
RE1
RE2
RE3
RE4
104
C50
GND
VIN
1
2
J22
VCC
VCC
VCC
NC1
1
2
MP
+
-
D1
D2
USBM
JP7
PS2
a
bf
c
g
d
e
1
2
3
4
5
6
7
a
b
c
d
e
f
g
8
dp
dp
9
12
11
10
a
bf
c
g
d
e
dp
a
bf
c
g
d
e
dp
a
bf
c
g
d
e
dp
COM COM COM COM
LED1
a
bf
c
g
d
e
1
2
3
4
5
6
7
a
b
c
d
e
f
g
8
dp
dp
9
12
11
10
a
bf
c
g
d
e
dp
a
bf
c
g
d
e
dp
a
bf
c
g
d
e
dp
COM COM COM COM
LED2
DD3
GND
VIN
五线四相步进电机
动态数码管
静态数码管
彩屏/
四线双极性步进电机
继电器
AD/DA/
USB
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