5 4 3 2 1
D D
C C
B B
A A
MOSI
REF
MISO
SCK
RESET
LCD_SS
MOSI
MISO
SCK
LCD_RESET
LCD_BS
NC2
NC1
BAT
BAT
RPH
RPH
M_LAMP
R_LAMP
L_LAMP
M_LAMP
R_LAMP
L_LAMP
MOB
KEY2
KEY1
KEY0KEY0
KEY1
KEY2
REF TEMP
TEMP
RESET
LCD_SS
LCD_RESET
LCD_BS
+5V
+5V
+5V
+5V
+48V +5V
+5V
+5V
+48V
+5V
+5V
CLK_IO
CLK_SCK
CLK_RST
CLK_IO
CLK_SCK
CLK_RST
Title
Size
Document Number R e v
Date: Sheet
of
<Doc> <RevCo
<Title>
A4
11Thursday, October 13, 2011
Title
Size
Document Number R e v
Date: Sheet
of
<Doc> <RevCo
<Title>
A4
11Thursday, October 13, 2011
Title
Size
Document Number R e v
Date: Sheet
of
<Doc> <RevCo
<Title>
A4
11Thursday, October 13, 2011
U2
DS1302
X1
2
X2
3
GND
4
RST
5
I/O
6
SCLK
7
VCC2
1
VCC1
8
R14
10K
J5
POW
1
2
J1
LCD
1
2
3
4
5
6
7
8
9
10
D2
1N4007
C5
104
L1 10u
R13
620
C10
104
R10
2K
J4
KEY
1
2
3
4
BAT1
3V
R5
20K
R15
0
D1
温度探头
J7
KEY
1
2
3
C3
104
C2
104
SW2
CHANGE
+
EC2
1000u/10V
U1
ATmega88
(RST)PC6
1
(RX)PD0
2
(TX)PD1
3
(INT0)PD2
4
(INT1)PD3
5
(XCK/T0)PD4
6
VCC
7
DGND
8
(XT1/TOSC1)PB6
9
(XT2/TOSC2)PB7
10
(T1)PD5
11
(AIN0)PD6
12
(AIN1)PD7
13
(ICP1)PB0
14
PB1(OC1A)
15
PB2(SS/OC1B)
16
PB3(MOSI/OC2)
17
PB4(MISO)
18
PB5(SCK)
19
AVCC
20
AREF
21
AGND
22
PC0(ADC0)
23
PC1(ADC1)
24
PC2(ADC2)
25
PC3(ADC3)
26
PC4(ADC4/SDA)
27
PC5(ADC5/SCL)
28
J3
Lamp
1
2
3
Y1
32.768KHz
C9
10P
C8
10P
J2
HOR
1
2
3
J6
debugWIRE
1
2
3
R9
2K
R12
39K
+
EC1
100u/100V
SW1
SELECT
R4
20K
C4
104
R1
10K
U3 POW
IN
1
OUT
3
GND
2
C7
104
R8
2K
R2
5.1K
R3
20K
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