该原理图是自己设计的profibus总线应用的DP从站原理图,原理图已经在真实的项目中得到可靠验证,使用该原理图出现任何问题,概不负任何责任。
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A M Res2 30 P0U14026 26 P0U14027 27 P0U14030
U12 N0M N0RTS RTS
R1 P0R101 P0R102
P0U13014
P0R402
P0R502
U13 P1 10 9 8 7 6 5 4 3 2 1 P0P1010 P0P109 P0P108 P0P107 P0P106 P0P105 P0P104 P0P103 P0P102 P0P101
P0U13015
U14 RXD TXD RTS P0U14014
1 P0U1201 NC VCC 2 P0U1202+ Ve 3 P0U1203 Vo 4 P0U1204 NC GND HPCL0601
8 P0U1207 7 P0U1206 6 P0U1205 5 P0U1208
A R2 P0R201 P0R202 N02P5 2P5
14
15
Res2 1K GND
P0U1A01
1 2
U1A P0U1A03 P0R301
XTAL2
XTAL1
P0C102 P0C101
P0R902
P3.5 N0P304 P3.4 N0P303 P3.3 2 P0U1302 P1.6 1 P0U1301 P1.5 44 P0U13044 P1.4 43 P0U13043 P1.3 42 P0U13042 P1.2 41 P0U13041 P1.1 40 P0U13040 P1.0 N0P305
P0R401
P0R501
7
P0U1407
CLKOUT2/4
RXD N0TXD TXD N0RTS RTS
N0RXD
M
N0M
3
R3 P0R302
R4 R5 Res2 Res2 1K 1K
P0U1A02 P0U1A07 P0U1A014
DM74LS132M
Res2 100K
GND 14 VCC Y1 P0Y104 4 N0EN1 EN1 P0Y102 N0D4 D4 P0Y101 N0P5
XREADY/XDTACK P0U13025 25 P2.7 P0U13024 24 P2.6 P0U13023 23 P2.5 P0U13022 22 P2.4 P0U13021 21 P2.3 P0U13020 20 P2.2 P0U13019 19 P2.1 P0U13018 18 P2.0 P0U13030 30 P0.7 P0U13031 31 P0.6 P0U13032 32 P0.5 P0U13033 33 P0.4 P0U13034 34 P0.3 P0U13035 35 P0.2 P0U13036 36 P0.1 P0U13037 37 P0.0 P0U13027 27 ALE P0U1303 3 P1.7 P0U1308 8 P3.2/INT0 P0U13013 13 P3.7/RD P0U13012 12 P3.6/WR
2 1
P0C501 P0C502 P0C301 P0C302
Header 10 C2 VCC B GND P0C201 P0C202
N0P5 P0R901
Cap 0.01uFN0P305 P0U13011 P3.5 11 P3.5/iT1 N0P305 P3.5 P0U13010 10 P3.4/T0 N0P304 P3.4 9 P0U1309 P3.3/INT1 N0P301 P3.1 7 N0P300 P3.0 5 P0U1307
R16 P0R1601 P0R1602
IN
Res2 1K N0RXD RXD
HPCL7101
N02M 2M
P3.1/TXD P0U1305 P3.0/RXD
P0C601 P0C602
29P0U13029 EA/VP
26 P0U13026 PSEN
P0R2101
C7 R21 Cap Res2 0.01uF 1K
P0C701
P0R2102
P0C702
N0IN
M
P0R1301
VCC
Cap C4 0.01uF
P5 N0M
P0C402 P0C401
4 P0U1304 RST
U10 P0U1001 8 P0U1008 1 VDD2VDD1 5 P0U1005 GND2 P0U1002 7P0U1007 2 VDE V1 P0U1004 6 4 P0U1006 Vo GND1
P0R1302
38 P0U13038 VCC 16 P0U13016 GND
31 P0U14031 AB7 P0U1405 P0Y103 32 5 3 P0U14032 AB6 CLK D1 42 P0U14042 AB5 37 14SMX P0U14037 AB4 R7 P0U14013 40 13 P0D101 P0U14040 P0D102P0R701 P0R702 AB3 XDATAEXCH 41 P0U14041 Res2 AB2 R8 P0U1401 43 1 P0U14043 LED3P0R802 1K P0R801 AB1 XCS 44 Res2 GND P0U14044 AB0 R10 P0U14023 22 23 P0R1001 P0R1002 P0U14022 1K DB7 MODE VCC R11 P0U14034 21 34 P0R1101 P0R1102 P0U14021 Res2 DB6 XTEST0 R12 P0U14035 20 35 P0R1201 P0R1202 P0U14020 1K Res2 DB5 XTEST1 19 P0U14019 1K Res2 DB4 R14 P0U1403 3 16 P0U14016 P0R1401 1K P0R1402 DB3 DIVIDER P0U14033 R15 15 33 P0R1501 P0R1502 P0U14015 Res2 DB2 XCTS R17 P0U1408 8 12 P0U14012 P0R1701 1K Res2 P0R1702 DB1 XINT/MOT P0U14010 R18 11 10 P0R1801 P0R1802 P0U14011 Res2 1K DB0 AB10 P0U14025 R19 24 P0U14024 25 P0R1901 P0R1902 Res2 1K ALE/AS AB9 P0U14029 R20 36 P0U14036 29 P0R2001 P0R2002 Res2 1K RESET AB8 9 P0U1409 Res2 1K X/INT GND P0U1406 4 P0U1404 6 1K XRD/R_W VSS P0U14017 2 17 P0U1402 XWR/E_Clock VSS P0U14028 C6 28 VSS P0U14038 Cap 38 VSS P0U14039 0.01uF 39 VDD P0U14018 VCC 18 VDD P0C801 P0C802
U11 P0U1106 1 P0U1101 6 VDD1 Vo P0U1107 2 7 P0U1102 V1 VDE P0U1105
C1 5 GND2 P0U1108 Cap 4 P0U1104 8 GND1VDD2 0.1uF HPCL7101
P5 N0TXD TXD N0M
R6 P0R601 P0R602 N02M 2M
N0OUT OUT
M R9 Res2 1K
Res2 1K C3 Cap 0.01uF C5 Cap 0.01uF
N02P5 2P5
B
R13 Res2 1K
J1 VCC P0J101 1 N02P5 2P5 6 P0J106 2 P0J102 7 P0J107 3 P0J103 8 P0J108 N0D4 D4 4 P0J104 9 P0J109 N02M 2M 5 P0J105
C
P0R2202
AT89C52
spc3
N02P5 2P5
N02P5 2P5
P0J1011
11 10
GND R22 Res2 100K
C
N02M 2M
GND C9 J2 5 P0J209 9 P0J204 4 P0J208 8 P0J203 3 P0J207 7 P0J202 2 P0J206 6 P0J201 1 P0J205 P0C901 P0C902
GND U3 6 P0U306
P0R2301
P0R2401
P0R2402
P0U308
N0P300 P3.0
5
P0U205
GND
P0R2502
Cap 8 0.01uF13 7 14 P0C1101 P0C1102
P0U309 9 R2IN R2OUT P0U3012 12 P0U3013 R1IN R1OUT P0U3010 10 T2INP0U3011 11 T1IN P0U305 5 C2- P0U304 4 C2+ P0U303 3 C1P0U301 1 C1+
Res2 1K
IN
N0IN
VEE
GND
P0U3015
15
Res2 1K R24
P0R2302 N0OUT
OUT
3 P0U203 DE 4P0U204 D 2 P0U202 RE 1P0U201 R
VCC A B
P0U208
8 6 7
P0U206
P0R2201
C8 Cap R23 0.01uF
N0EN1 EN1
P0J1010
U2
P0U207
D Connector 9 GND R25 Res2 100K
10 P0J2010 11 P0J2011
T2OUT P0U3014 T1OUT
P0U307
N0P301 P3.1
GND
C10 P0C1001 P0C1002
C11 Cap C12 0.01uF
D
D Connector 9
P0C1202 P0C1201
16 2
P0U3016
VCC P0U302 VDD
VCCCap 0.01uF
MAX232EWE
C13 Cap P0C1301 P0C1302 0.01uF Cap 0.01uF
Title
P0R2501
SN75ALS176D
N02M 2M
D Number Revision
Size A4 Date: File: 1 2 3
2009-3-5 D:\Program Files\..\Sheet1.SchDoc
Sheet of Drawn By: 4
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