毕业设计中期检查表 中期报告 设计任务书
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Size A3Date:6-May-2013 Sh eet of
File:
D:\DESIGN EXPLORER 99 SE\EXAMPLES\BACKUP~14.DDB Drawn By:RST 9RXD/P3.010INT0/P3.212INT1/P3.313T0/P3.414T1/P3.515EA/VPP 31XTAL119P0.0/AD039P0.1/AD138P0.2/AD237P0.3AD336P0.4/AD435P0.5/AD534P0.6/AD633P0.7/AD732P1.01P1.12P1.23P1.34P1.45P1.56P1.67P1.78P2.0/A821P2.1/A922P2.2/A1023P2.3/A1124
P2.4/A1225P2.5/A1326P2.6/A1427P2.7/A1528ALE/PROG 30TXD/P3.111
WR/P3.616RD/P3.717PSEN 29
XTAL218
U1
AT89S51
+
C3
C2
33pF
C1
33pF
T1
R1U2
74HC04
D1
LED Y1
11.0592MHZ
a1
a2
S1
SW -PB
a1VCC
a3
a3
1234567891011121314151617181920
JP 12864
R2
VCC
R3
4k R410k
VCC
a2D2
LED D3
LED
R51k
R6
1k
R71k
VCC
U3
74HC04
U4
74HC04
U5
74HC04U6
74HC04U7
74HC04R81k
R91k
VCC
VCC
123
DS18B20
R104.7k
VCC
A1A1
112233445
5U8APC240
TXD RXD VCC
TXD RXD TXD RXD 112233445566778
8
9910101111121213131414151516
16
RXD DAC PW M+PW M-P14P13P16GND VDD BUSY VCC P00P01P02P03P15JP12WT588D
12J1SPEAKER
PC0
VCC
PC3PC1PC21
1
22
3344INPUT OUT OUT1GND JP13
KIA1117VCC
C12+C11100uF
PC0PC1PC2PC3112233445566778
8
I N A G C
G N
D C 0R C 0
C O U T
R C 1
J11CX20106
R1222k
R11
200k C9+
C8+
C101u F
R13
10k
C100.056pF
T2
10uF 10k
3.3u F
330
10k