11223
34
45
56
67
u20战场
8
D
D
C
C
B
B
A
A
Title Number Revision
Size A3Date:2014/3/29
Sheet of
File:
E:\
\..\
1.SchDoc
Drawn By:
EA/VPP 31XTAL119XTAL218RST 9
P3.7(RD)17
P3.6(WR)
16
P3.2(INT0)12P3.3(INT1)13
P3.4(T0)14P3.5(T1)15
P1.01P1.12P1.23P1.34
P1.45P1.56P1.67P1.78(AD0)P0.0
39(AD1)P0.138(AD2)P0.237(AD3)P0.336(AD4)P0.435(AD5)P0.534(AD6)P0.633(AD7)P0.732(A8)P2.021
(A9)P2.122(A10)P2.223(A11)P2.324(A12)P2.425(A13)P2.526(A14)P2.627(A15)P2.728PSEN
29ALE/PROG
30(TXD)P3.111(RXD)P3.010GND 20VCC 40U2
江泽惠
GND
A0
10A19A28A37A46A55A64A73A8
25A924A1021A1123A122CE 20OE 22PGM 27VPP
12764D011D112D213D314D415D516D617D7
18U4
2764
D0
3D14D27D38D413D514D617D718OE 1
LE
11
74LS373Q0
2Q15Q26Q39
Q412Q515Q616Q7
19U3
家和万事兴之双喜临门74LS373
Q12Q25Q36Q49Q512Q615Q716Q8
19D1
3D24D37D48D513D614D717D818CLK
11CLR
1U574ls273Q12
Q25Q36Q49Q512Q615Q716Q8
19D1
3
D24D37D48D513D614D717D818CLK
11CLR
1U974ls273
23456891U7A U7B
U7C U7D
U6
740723456891U7A
U7B
U7C U7D U87407
A
B C D E F G H
C O M 1
C O M 2
U10
LEDSHUMAGUAN A
B C D E F G H
C O M 1
C O M 2
两廊一圈
U11
LEDSHUMAGUAN
VCC
VCC
220
R15Res2
VCC 1
2
3
&
5
6
7
&
7452
7452
U127452
1
2
3
&
5
6
7
&
7452
7452
U137452
1
2
Y1
XTAL
100pF
C1
Cap
100pF C2
Cap
GND 100pF C3Cap Pol2
S5
SW-PB
VCC
1K
R3
Res2GND
1
23
1
456
1
U7
74LS02
12314
561
U1
74LS02
S1
SW-SPST
S2SW-SPST
1
2
U9A
1A
74LS04
3
4
U9B
1B
74LS04
5
6U 9C 1C
74LS048
9
U 9D
1D 74LS0410
11
U 9E 1E 74LS0412
13U 9F
1F 74LS04
S3
SW-DPDT
D1LED0
D2LED0
D3LED0D4LED0
220R5Res2220R6Res2220
R7Res2220R4Res2VCC
220R14Res2220R13Res2220R12Res2220R11Res2220R10Res2220R9
Res2220R8
Res22
3
1
S4
SW-SPDT
220
R2
Res2
220
R1
Res2GND
VCC
7407740774077407740774077407吴鉴鹰单片机项目详细解析系列之基于单片机的数字时设计原理图 吴鉴鹰单片机项目详细解析系列之基于单片机的数字时设计原理图2014.3.29吴鉴鹰
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