1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2007-6-12 Sheet of
File: C:\Documents and Settings\..\_MCU_原理图.SCHDOCDrawn By:
AGND
31
X1
13
X2
12
RESET
9
PD2 (INT0)
16
PD3 (INT1)
17
PD4 (OC1B)
18
PD5 (OC1A)
19
PB0 (T0)
1
PB1 (T1)
2
PB2 (AIN0)INT2
3
PB3 (AIN1)
4
PB4 (SS)
5
PB5 (MOSI)
6
PB6 (MISO)
7
PB7 (SCK)
8
(ADC0) PA0
40
(ADC1) PA1
39
(ADC2) PA2
38
(ADC3) PA3
37
(ADC4) PA4
36
(ADC5) PA5
35
(ADC6) PA6
34
(ADC7) PA7
33
PC0
22
PC1
23
PC2
24
PC3
25
PC4
26
PC5
27
(TOSC1) PC6
28
(TOSC2) PC7
29
PD7 (TOSC2)
21
PD6 (ICP)
20
AVCC
30
AREF
32
PD1 (TXD)
15
PD0 (RXD)
14
GND
11
VCC
10
U1
ATMEGA16_DIP40
1
2
3
4
5
6
7
8
9
11
10
J1
D Connector 9
R11
10K +/-1%
C14
10uF
C1+
1
VDD
2
C1-
3
C2+
4
C2-
5
VEE
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
GND
15
VCC
16
U2
MAX232AMJE
1 2
Y1
7.3728M
C17
22P +/-5%
C16
22P +/-5%
XTAL1
XTAL2
C4
104 +/-5%
C5
104 +/-5%
+5V
C3
104 +/-5%
C7
104 +/-5%
TX
RX
+5V
RESET
+5V
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
+5V
RX
TX
XTAL1
XTAL2
RESET
GND
1
+5V
2
RS
3
RW
4
E
5
DB0
6
DB1
7
DB2
8
DB3
9
DB4
10
DB5
11
DB6
12
DB7
13
BLK+
BLK-
14
LCD128*64
LCD12864
RW
RS
E
LS1
Bell
R7
1K +/-1%
+5V
R6
10K +/-1%
BELL
Q2
8550
R1
4.7K +/-1%
LCD背光
Q1
8550
RF_IN
S1
设置
S2
向上
R2
10K +/-1%
R3
1K +/-1%
S3
向下
R4
1K +/-1%
S4
向左
R5
1K +/-1%
S5
向右
R8
1K +/-1%
C12
104 +/-5%
R12
100K +/-1%
C11
104 +/-5%
C15
474 +/-5%
+5V
+5V
KEY_INT1
S8
返回
R13
1K +/-1%
R15
1K +/-1%
S6
确认
S10
说明
R9
1K +/-1%
KEY_AD
LEVEL_AD
TEMP_AD
KEY_AD
KEY_INT1
RS
RW
E
BELL
LCD_LAMP
LCD_BACK
LCD_LAMP
于军峰
C1
104 +/-5%
TO 电脑RS232
R10
10K +/-1%
t
RT1
4.7K
TEMP_AD
DS1
2.2K
R14
+5v
C2
104 +/-5%
+5V
S7
+
S9
-
KEY_INC
KEY_DEC
L1 10uH
+5V
C8
104 +/-5%
C9
104 +/-5%
C6
104 +/-5%
C10
220uF
+5V
RF_IN
BELL
C13
220uF
RESET
1 2
3 4
5 6
7 8
9 10
P1
Header 5X2H
+5V
DB5
(MOSI)
(SCK)
DB6 (MISO)
RESET
DB7
1
2
3
4
5
P3
Header 5
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
CHARGE
KEY_INC
KEY_DEC
LOCK_CONTROL
Annunciator
LCD_BACK
S11
-
RESET
1
2
3
4
5
6
7
8
P2
TO POWER
LOCK_CONTROL
CHARGE
LEVEL_AD
Annunciator
CHARGE_STATUS
CHARGE_STATUS
+5V
RF_IN
1
2
3
4
5
P4
Header 5
门禁系统_CPU_原理图
