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Guias e Dicas
Guias e Dicas

Esquemático do PIC16F877A, Esquemas de Microprocessadores

Diagrama do PIC16F877A usado para as atividades práticas.

Tipologia: Esquemas

2025

Compartilhado em 23/06/2025

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C C
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A A
Title
Number RevisionSize
A3
Date: 2012/12/25 Sheet of
File: D:\3PCB设计资料\HJ-5G\HJ-5G.SchDocDrawn By:
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5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
P2
CON20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
P1
CON20
X1
X2 RXD
TXD
GND
1
DQ
2
VCC
3
U11
R5
10K
VCC
C10
104
S18
PIC
R2
10K
GND
VCC
VPP
C1
22P C2
22P
Y1
1-24M
X2X1
A0
1
A1
2
A2
3
GND
4SDL 6
SDA 5
WP 7
VCC 8
U6
AT24C02
RC3
RC4
VCC
GND
C1+ 1
C1- 3
C2- 5
C2+ 4
T1 in
11
T2 in
10
R1 out
12
R2 out
9
V+ 2
V- 6
T1 out
14
T2 out 7
R1 in
13
R2 in 8
GND
15 VCC
16 U2 MAX2321
2
3
4
5
6
7
8
9
COM
RXD
TXD C6104
C8104
C5104
C7 104
GND
VCC
L0
L1
L2
L3
L4
L5
L6
L7
1
2
JP1
GND
W1 10K
RS
RW
RD
W2 10K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
LCD_1602
GND
GND
VCC
RS
RD
GND
GND
RW
S1 S5
S2 S6
S9
S10
S13
S14
S3
S4
S7
S8
S11
S12
S15
S16
VCC2
1
OSC1 2
OSC2 3
VSS 4
RST
5
I/O
6
CLK
7
VCC1 8
U5 DS1302
Y2
32.768K
R7 10K
VCC
GND
1
2
BT1
R9 10K
R8 10K
1
2
3
U10
IR 1838
VCC
RE2
1
2
3
4
5
6
PS/2
VCC
GND
RB1
RB0
VCC 1
DIN 2
DOUT 3
GND 4
USB
C3 10u
VCC
D+
D-
VDD5
L8
R1
1K
RC1
GND
GND
1
2
DC
VCC
6P
编程接口 晶振
感器
红外接收模块
串口通信模块
LED
流水灯模块
LCD1602
液晶模块
6
位共阴数码管模块
AD/DA
模块
PS/2
键盘
DS1302
时钟模块
IIC
模块
PIC
系统
复位模块
4X4
矩阵键盘
电源供电系统
HJ-5G PIC V2.0
5V外接电源输入
LED跳线
红外接收跳线
3V电池
振接口
极管
USB电源输入
开关
C13
104
慧净电子:
WWW.HLMCU.COM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
LCD_12864
VCC
GND
GND
12
34
KS
VPP
GND
1 vpp
2 RA0
3 RA1
4 RA2
5 RA3
6 RA4
7 RA5
8 RE0
9 RE1
10 RE2
11 VDD
12 VSS
13 OSC1
14 OSC2
15 RC0
16 RC1
17 RC2
18 RC3
19 RD0
20 RD1 RD2 21
RD3 22
RC4 23
RC5 24
RC6 25
RC7 26
RD4 27
RD5 28
RD6 29
RD7 30
VSS 31
VDD 32
RB0 33
RB1 34
RB2 35
RB3 36
RB4 37
RB5 38
RB6 39
RB7 40
U1
PIC16F877A
RA0
RA1
RA2
RA3
RA4
RA5
RE0
RE1
RE2
RC0
RC1
RC2
RC3 RC4
RC5
RC6
RC7
RB0
RB1
RB2
RB3
RB4
RB5
RB6
RB7
RD0
RD1 RD2
RD3
RD4
RD5
RD6
RD7VCC
GND
GND
RB0
RB1
RB2
RB3
RB4
RB5
RB6
RB7
RD0
RD1
RD2
RD3
RD4
RD5
RD6
RD7
RC3
RC4
RA3
RA4
RA5
RD0
RD1
RD2
RD3
RD4
RD5
RD6
RD7
RA1
RA2
RA3
RA4
RA5
VPP
VCC
GND
PGD
PGC
PGC
PGD
PGM
1
2
3
4
5
6
JP4
ICSP
R18
10K
R19
10K
R21
10K
R20
10K
VCC
VCC
VCC
1 2
3 4
5 6
7 8
JP3
Header 4X2
RC2
DTAT
CLK
PGM
R4
10K
VCC
VCC
R6 10K
GND
C9
104
C4
104
WE5
WE6
A
B
C
D
E
F
G
H
WE1
WE2
WE3
WE4
A
B
C
D
E
F
G
H
CS1
1
CS2
2
CS3
3
AA
BB
CC
DD
EE
FF
GG
HH
CS1
1
CS2
2
CS3
3
AA
BB
CC
DD
EE
FF
GG
HH
RD0
RD1
RD2
RD3
RD4
RD5
RD6
RD7
R10
R11
R12
R13
R14
R15
R16
R17
IN1
1
IN3
3
IN5
5IN4
4
OUT6 11
OUT7 10
OUT5 12
VCC 9
IN2
2
IN6
6
OUT3 14
IN7
7
OUT4 13
GND
8
OUT2 15
OUT1 16
IC12
ULM2003
RA3
RA4
RA5
RA2
C5
C6
VCC
DPY_EN
VR1
103K
VCC
GND
AD
VR2
103K
VCC
GND
AD
AN0 AN1
AN0
AN1
RA0
RA1
C6
C5
RE0
E2
C
3
B
1Q
8550
FM
R3 1K
VCC
报警器模块
K1
K2
K3
K4
独立键盘
RB0
RB1
RB2
RB3
RA0
RA1
1
2
JP2
GND
C11
104
A
B
C
D
E
F
G
H
R10-R17 331
流水灯经R10-R17电阻接到RD0-RD7
R23
R22 RA4
GND

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D D

C C

B B

A A

Title

Size Number Revision A

Date: 2012/12/25 Sheet of File: D:\3、PCB设计资料\HJ-5G\HJ-5G.SchDocDrawn By:

P

CON

P

CON

X

X

RXD

TXD

GND

DQ

VCC

U

R

10K

VCC

C

S

PIC

R

10K

GND

VCC

VPP

C

22P

C

22P

Y

1-24M

X1 X

1 A

2 A

3 A

GND

4 SDL^

SDA

WP 7

VCC 8

U

AT24C

RC

RC

VCC

GND

C1+ 1

C1- 3

C2-

C2+ 5

T1 in

T2 in

R1 out

R2 out

V+

V-

(^14) T1 out

T2 out

R1 in

R2 in

GND

15 VCC

1 U2 MAX

COM

RXD

TXD C

C

C

C7 104

GND

VCC

L

L

L

L

L

L

L

L

JP

GND

W1 10K

RSRWRD

W2 10K

LCD_

GND

GND

VCC

RSRD

GND

GND

RW

S1 S

S2 S

S

S

S

S

S

S

S

S

S

S

S

S

VCC

OSC1 2

OSC2 3

5 RST VSS 4

6 I/O

7 CLK

VCC

U5 DS

Y

32.768K

R7 10K

VCC

GND

BT

R9 10K

R8 10K

U

IR 1838

VCC

RE

PS/

VCC

GND

RB1 RB

VCC 1

DIN 2

DOUT 3

GND 4

USB

C3 10u

VCC

D+

D-

VDD

L

R

1K

RC

GND

GND

DC

VCC

6P编程接口 单片机晶振

LED流水灯模块

LCD1602液晶模块

AD/DA模块

PS/2键盘

DS1302时钟模块 IIC 内存模块

PIC单片机最小系统

4X4矩阵键盘

HJ-5G PIC V2.

5V外接电源输入

LED跳线

3V电池

USB电源输入

C

慧净电子:WWW.HLMCU.COM

LCD_

VCC

GND

GND

KS

VPP

GND

1 vpp 2 RA 3 RA 4 RA 5 RA 6 RA 7 RA 8 RE 9 RE 10 RE 11 VDD 12 VSS 13 OSC 14 OSC 15 RC 16 RC 17 RC 18 RC 19 RD 20 RD1 RD2 21

RD3 22

RC4 23

RC5 24

RC6 25

RC7 26

RD4 27

RD5 28

RD6 29

RD7 30

VSS 31

VDD 32

RB0 33

RB1 34

RB2 35

RB3 36

RB4 37

RB5 38

RB6 39

RB7 40

U

PIC16F877A

RA

RA

RA

RA

RA

RA

RE

RE

RE

RC

RC

RC

RC3 RC

RC

RC

RC

RB

RB

RB

RB

RB

RB

RB

RB

RD

RD1 RD

RD

RD

RD

RD

VCC RD

GND

GND

RB

RB

RB

RB

RB

RB

RB

RB

RD0RD1RD2RD3RD4RD5RD6RD

RC

RC

RA5RA4RA3RD0RD1RD2RD3RD4RD5RD6RD7RA2RA

RA5RA4RA

VPP

VCC

GND

PGD

PGC

PGC

PGD

PGM

JP

ICSP

R

10K

R

10K

R

10K

R

10K

VCC

VCC

VCC

JP

Header 4X

RC

DTAT

CLK

PGM

R

10K

VCC

VCC

R6 10K

GND

C

C

WE5 WE

ABCDEF GH

WE

WE

WE3 WE

ABCDEFGH

CS

CS

CS

A

A

B

B

C

C

D

D

E

E

F^

F

G

G

H

H

CS

CS

CS

A

A

B

B

C

C

D

D

E

E

F^

F

G

G

H

H

RD0RD1RD2RD3RD4RD5RD6RD

R10R11R12R13R14R15R16R

1 IN

3 IN

5 IN

4 IN

OUT6 11

OUT7 10

OUT5 12

VCC 9

2 IN

6 IN

OUT3 14

7 IN

OUT4 13

8 GND

OUT2 15

OUT1 16

IC

ULM

RA

RA

RA

RA

C

C

VCC

DPY_EN

VR

103K

VCC

GND

AD

节 VR

103K

VCC

GND

AD

AN0 AN

AN

AN

RA

RA

C

C

RE

E

C

1 B Q

FM

R3 1K

VCC

K

K

K

K

RB

RB

RB

RB

RA

RA

JP

GND

C

A

B

C

D

E

F

G

H

R10-R17 331欧

流水灯经R10-R17电阻接到RD0-RD

R

R

RA

GND