LED显示屏控制卡原理图
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P074HC24502020
C14 104
GND
B
74HC245 C4 P0C401 P0C402 104 XTAL2 32.768M C5 P0C501 P0C502 104 GND GND GND
P0XTAL101
XTAL1 8M
5 6
P0U105 OSC_IN/PD0 P0U106 OSC_OUT/PD1
P0RS23201
GND
Title
D Number Revision
Size A4 Date: File: 3
DB9
2012-3-30 D:\led
\sch\
.SCHDOC
Sheet of Drawn By: 4
key
P0key02
1 20 DIR VCC N0PB7 P074HC24502019 PB7 2 19 P074HC2450202 A0 OE N0PB6 P074HC24502018 N0B0 PB6 3 18 B0 P074HC2450203 A1 B0 N0PB5 P074HC24502017 N0B1 PB5 4 17 B1 P074HC2450204 A2 B1 P074HC24502016 N0B2 5 16 B2 P074HC2450205 A3 B2 P074HC24502015 6 15 P074HC2450206 A4 B3 P074HC24502014 7 14 P074HC2450207 A5 B4 P074HC24502013 8 13 P074HC2450208 A6 B5 P074HC24502012 9 12 P074HC2450209 A7 B6 P074HC24502011 10 11 P074HC24502010 GND B7
P4 16 P0P3015 15 P0P3014 14 P0P3013 13 P0P3012 12 P0P3011 11 P0P3010 10 P0P309 9
P0P3016 N0B1 A0 N0A0 1 P0P4016 B1 16 P0P401 OE A N0B0 P0P4015 B0 2 P0P402 15 GND B N0A7 P0P4014 A7 3 P0P403 14 GND C N0A1 P0P4013 13 A1 4 P0P404 GND SK N0B2 P0P4012 12 B2 5 P0P405 GND LT N0A3 P0P4011 A3 6 P0P406 11 GDN R N0A5 P0P4010 A5 7 P0P407 10 GND G P0P409 8 P0P408 9 GND GND N0B1 B1 N0B0 B0 N0A7 A7 N0A1 A1 N0B2 B2 N0A2 A2 N0A4 A4
C P5 1 2 3 4 5 6 7 +3.3
P0P501 P0P502 P0P503 P0P504 P0P505 P0P506 P0P507
+3.3 24 36 48
P0C801 P0C802 P0P605
P0U1024 P0U1036
PB3 P6 N0PA14 PA14 P0P601 1 5 N0PA13 PA13 P0P602 2 6 N0PA15 PA15 P0P603 3 7 N0PB4 PB4 P0P604 4 8
P0C201
GND 100UF J2 3 P0J202 2 P0J201 1
P0J203 N0PA0 PA0 10 P0U1010 PA0-WKUP N0PA1 PA1 11 P0U1011 PA1 N0PA2 PA2 12 P0U1012 PA2 N0PA3 PA3 13 P0U1013 PA3 N0PA4 PA4 14 P0U1014 PA4 N0PA5 PA5 15 P0U1015 PA5 N0PA6 PA6 16 P0U1016 PA6 N0PA7 PA7 17 P0U1017 PA7 N0PA8 29 PA8 P0U1029 PA8 N0PA9 30 PA9 P0U1030 PA9 N0PA10 PA10 31P0U1031 PA10 N0PA11 PA11 32P0U1032 PA11 N0PA12 PA12 33P0U1033 PA12 N0PA13 PA13 34 P0U1034 PA13/JTMS/SWDIO N0PA14 PA14 37 P0U1037 PA14/JTCK/SWCLK N0PA15 PA15 38 P0U1038 PA15/JTDI
C1
U1
P0U1018 18 PB0 P0U1019 19 PB1 P0U1020 20 PB2/BOOT1 P0U1039 39 PB3/JTDO P0U1040 40 PB4/JNTRST P0U1041 41 PB5 P0U1042 42 PB6 P0U1043 43 PB7 N0PB0 PB0 N0PB1 PB1 N0PB2 PB2 N0PB3 PB3 N0PB4 PB4 N0PB5 PB5 N0PB6 PB6 N0PB7 PB7
44 GND
P0C301 P0C302
P0U1044
BOOT0 NRST VBAT 23 VSS_1 P0U1035 35 VSS_2 P0U1047 47 VSS_3
P0U1023
C3 104
7 1
P0XTAL201
2 3 4
Designer: QQ:731481818
09
C
P0U107
P0U101
P0U102
P0key01 P0R202
R1
R2 103
45 P0U1046 46 P0U1021 21 P0U1022 22 P0U1025 25 P0U1026 26 P0U1027 27 P0U1028 28
P0U1045
N0PB8 PB8 N0PB9 PB9 N0PB10 PB10 N0PB11 PB11 N0PB12 PB12 N0PB13 PB13 N0PB14 PB14 N0PB15 PB15
P0D20K P0D10K
P0C101
D1 DIODE
P074HC24501020 1 20 DIR VCC N0PB10 P074HC24501019 PB10 2 19 P074HC2450102 A0 OE N0PB1 3 P074HC24501018 N0A0 PB1 18 A0 P074HC2450103 A1 B0 N0PB0 4 P074HC24501017 N0A1 PB0 17 A1 P074HC2450104 A2 B1 N0PA3 5 P074HC24501016 N0A2 PA3 16 A2 P074HC2450105 A3 B2 N0PA2 6 P074HC24501015 N0A3 PA2 15 A3 P074HC2450106 A4 B3 N0PA1 7 P074HC24501014 N0A4 PA1 14 A4 P074HC2450107 A5 B4 P074HC24501013 N0PA0 N0A5 PA0 8 13 A5 P074HC2450108 A6 B5 N0PB8 9 P074HC24501012 N0A6 PB8 12 A6 P074HC2450109 A7 B6 P074HC24501011 N0A7 10 11 A7 P074HC24501010 GND B7
P0C1101 P0C1102
HEADER4*2 RS232
P0Q203 N0PA10 P0R902
HEADER4*2
HEADER4*2
RX
R6
P0R601 P0R602
R9 GND R8 +5
P0R901
PA10ห้องสมุดไป่ตู้
331
P0R402 P0Q102
R4 103
P0Q101
Q1 t13a
104 GND
P0R801
N0PB3
VDD_1 VDD_2 P0U1048 VDD_3
P0U109
P2 GND 1 P0P201 GND 2 P0P202 GND N0A0 3 A0 P0P203 GND N0A2 4 A2 P0P204 OE N0A3 5 A3 P0P205 R1 6 P0P206 R2 7 P0P207 GND 8 P0P208 GND A B C D G1 G2 LT SK 16 P0P2015 15 P0P2014 14 P0P2013 13 P0P2012 12 P0P2011 11 P0P2010 10 P0P209 9
C13 104
GND A
2 1
74HC245 GND +5 D2 DIODE 74HC245-2
P074HC2450201 P0C1401 P0C1402
P0J102 P0J101
+3.3 C2 100UF
P0R201 P0D20A
CON2 GND
P0C202
CON3 GND
B
P0R102
P0R101
P0P2016
P3
N0B1 A0 N0A0 1 B1 P0P301 OE A N0B0 B0 2 P0P302 GND B N0A7 A7 3 P0P303 GND C N0A6 A6 4 P0P304 GND SK N0A4 A4 5 P0P305 GND LT N0A5 A5 6 P0P306 GDN R N0B2 B2 7 P0P307 GND G N0A1 A1 8 P0P308 GND GND
103
P0XTAL202
C6 P0C601 P0C602 104 GND C7 P0C701 P0C702 104
P0XTAL102
PB8 PB9 PB10 PB11 PB12 PB13 PB14 PB15 PC13-TAMPER-RTC P0U103 PC14-OSC32_IN P0U104 PC15-OSC32_OUT
103 R7 N0TX TX P0R802 P0R701 103 104
P0R702 P0Q202
Q2 t13a
P0R401
P0Q201
D4
P0D40K
P0D40A
GND DIODE GND 1 2
1 6 P0RS23206 N0RX RX 2 P0RS23202 7 P0RS23207 N0TX TX 3 P0RS23203 8 P0RS23208 4 P0RS23204 9 P0RS23209 5 P0RS23205
DIODE
GND
1 P0P102 2 P0P103 3 P0P104 4
P0P101
GND
P0BAT02
C12 P0C1201 P0C1202 104
BAT BATTERY
winbond25*48BVNIG LED GND
P0LED02 P0LED01 P0R301 P0R302 P0C102
R3 102 J1
1
2
3
4
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+5 GND P1 A +5 D3
P0D30K P0D30A
+3.3 8 7 6 5
P0P108 P0P107 P0P106 P0P105 P0D10A P0BAT01
74HC245-1
P074HC2450101
P0C1301 P0C1302
C15 P0P606 P0C1501 P0C1502 104 P0P607
P0P608
9
104 C8
VDDA STM32F101CBT6
VSSA
P0U108
8 GND
GND
Header 7 GND R5 +5 D
N0PA9 PA9 P0R501 N0RX P0R502 P0Q103
C11 104 C10 P0C1001 P0C1002 104 C9 P0C901 P0C902 104
C14 104
GND
B
74HC245 C4 P0C401 P0C402 104 XTAL2 32.768M C5 P0C501 P0C502 104 GND GND GND
P0XTAL101
XTAL1 8M
5 6
P0U105 OSC_IN/PD0 P0U106 OSC_OUT/PD1
P0RS23201
GND
Title
D Number Revision
Size A4 Date: File: 3
DB9
2012-3-30 D:\led
\sch\
.SCHDOC
Sheet of Drawn By: 4
key
P0key02
1 20 DIR VCC N0PB7 P074HC24502019 PB7 2 19 P074HC2450202 A0 OE N0PB6 P074HC24502018 N0B0 PB6 3 18 B0 P074HC2450203 A1 B0 N0PB5 P074HC24502017 N0B1 PB5 4 17 B1 P074HC2450204 A2 B1 P074HC24502016 N0B2 5 16 B2 P074HC2450205 A3 B2 P074HC24502015 6 15 P074HC2450206 A4 B3 P074HC24502014 7 14 P074HC2450207 A5 B4 P074HC24502013 8 13 P074HC2450208 A6 B5 P074HC24502012 9 12 P074HC2450209 A7 B6 P074HC24502011 10 11 P074HC24502010 GND B7
P4 16 P0P3015 15 P0P3014 14 P0P3013 13 P0P3012 12 P0P3011 11 P0P3010 10 P0P309 9
P0P3016 N0B1 A0 N0A0 1 P0P4016 B1 16 P0P401 OE A N0B0 P0P4015 B0 2 P0P402 15 GND B N0A7 P0P4014 A7 3 P0P403 14 GND C N0A1 P0P4013 13 A1 4 P0P404 GND SK N0B2 P0P4012 12 B2 5 P0P405 GND LT N0A3 P0P4011 A3 6 P0P406 11 GDN R N0A5 P0P4010 A5 7 P0P407 10 GND G P0P409 8 P0P408 9 GND GND N0B1 B1 N0B0 B0 N0A7 A7 N0A1 A1 N0B2 B2 N0A2 A2 N0A4 A4
C P5 1 2 3 4 5 6 7 +3.3
P0P501 P0P502 P0P503 P0P504 P0P505 P0P506 P0P507
+3.3 24 36 48
P0C801 P0C802 P0P605
P0U1024 P0U1036
PB3 P6 N0PA14 PA14 P0P601 1 5 N0PA13 PA13 P0P602 2 6 N0PA15 PA15 P0P603 3 7 N0PB4 PB4 P0P604 4 8
P0C201
GND 100UF J2 3 P0J202 2 P0J201 1
P0J203 N0PA0 PA0 10 P0U1010 PA0-WKUP N0PA1 PA1 11 P0U1011 PA1 N0PA2 PA2 12 P0U1012 PA2 N0PA3 PA3 13 P0U1013 PA3 N0PA4 PA4 14 P0U1014 PA4 N0PA5 PA5 15 P0U1015 PA5 N0PA6 PA6 16 P0U1016 PA6 N0PA7 PA7 17 P0U1017 PA7 N0PA8 29 PA8 P0U1029 PA8 N0PA9 30 PA9 P0U1030 PA9 N0PA10 PA10 31P0U1031 PA10 N0PA11 PA11 32P0U1032 PA11 N0PA12 PA12 33P0U1033 PA12 N0PA13 PA13 34 P0U1034 PA13/JTMS/SWDIO N0PA14 PA14 37 P0U1037 PA14/JTCK/SWCLK N0PA15 PA15 38 P0U1038 PA15/JTDI
C1
U1
P0U1018 18 PB0 P0U1019 19 PB1 P0U1020 20 PB2/BOOT1 P0U1039 39 PB3/JTDO P0U1040 40 PB4/JNTRST P0U1041 41 PB5 P0U1042 42 PB6 P0U1043 43 PB7 N0PB0 PB0 N0PB1 PB1 N0PB2 PB2 N0PB3 PB3 N0PB4 PB4 N0PB5 PB5 N0PB6 PB6 N0PB7 PB7
44 GND
P0C301 P0C302
P0U1044
BOOT0 NRST VBAT 23 VSS_1 P0U1035 35 VSS_2 P0U1047 47 VSS_3
P0U1023
C3 104
7 1
P0XTAL201
2 3 4
Designer: QQ:731481818
09
C
P0U107
P0U101
P0U102
P0key01 P0R202
R1
R2 103
45 P0U1046 46 P0U1021 21 P0U1022 22 P0U1025 25 P0U1026 26 P0U1027 27 P0U1028 28
P0U1045
N0PB8 PB8 N0PB9 PB9 N0PB10 PB10 N0PB11 PB11 N0PB12 PB12 N0PB13 PB13 N0PB14 PB14 N0PB15 PB15
P0D20K P0D10K
P0C101
D1 DIODE
P074HC24501020 1 20 DIR VCC N0PB10 P074HC24501019 PB10 2 19 P074HC2450102 A0 OE N0PB1 3 P074HC24501018 N0A0 PB1 18 A0 P074HC2450103 A1 B0 N0PB0 4 P074HC24501017 N0A1 PB0 17 A1 P074HC2450104 A2 B1 N0PA3 5 P074HC24501016 N0A2 PA3 16 A2 P074HC2450105 A3 B2 N0PA2 6 P074HC24501015 N0A3 PA2 15 A3 P074HC2450106 A4 B3 N0PA1 7 P074HC24501014 N0A4 PA1 14 A4 P074HC2450107 A5 B4 P074HC24501013 N0PA0 N0A5 PA0 8 13 A5 P074HC2450108 A6 B5 N0PB8 9 P074HC24501012 N0A6 PB8 12 A6 P074HC2450109 A7 B6 P074HC24501011 N0A7 10 11 A7 P074HC24501010 GND B7
P0C1101 P0C1102
HEADER4*2 RS232
P0Q203 N0PA10 P0R902
HEADER4*2
HEADER4*2
RX
R6
P0R601 P0R602
R9 GND R8 +5
P0R901
PA10ห้องสมุดไป่ตู้
331
P0R402 P0Q102
R4 103
P0Q101
Q1 t13a
104 GND
P0R801
N0PB3
VDD_1 VDD_2 P0U1048 VDD_3
P0U109
P2 GND 1 P0P201 GND 2 P0P202 GND N0A0 3 A0 P0P203 GND N0A2 4 A2 P0P204 OE N0A3 5 A3 P0P205 R1 6 P0P206 R2 7 P0P207 GND 8 P0P208 GND A B C D G1 G2 LT SK 16 P0P2015 15 P0P2014 14 P0P2013 13 P0P2012 12 P0P2011 11 P0P2010 10 P0P209 9
C13 104
GND A
2 1
74HC245 GND +5 D2 DIODE 74HC245-2
P074HC2450201 P0C1401 P0C1402
P0J102 P0J101
+3.3 C2 100UF
P0R201 P0D20A
CON2 GND
P0C202
CON3 GND
B
P0R102
P0R101
P0P2016
P3
N0B1 A0 N0A0 1 B1 P0P301 OE A N0B0 B0 2 P0P302 GND B N0A7 A7 3 P0P303 GND C N0A6 A6 4 P0P304 GND SK N0A4 A4 5 P0P305 GND LT N0A5 A5 6 P0P306 GDN R N0B2 B2 7 P0P307 GND G N0A1 A1 8 P0P308 GND GND
103
P0XTAL202
C6 P0C601 P0C602 104 GND C7 P0C701 P0C702 104
P0XTAL102
PB8 PB9 PB10 PB11 PB12 PB13 PB14 PB15 PC13-TAMPER-RTC P0U103 PC14-OSC32_IN P0U104 PC15-OSC32_OUT
103 R7 N0TX TX P0R802 P0R701 103 104
P0R702 P0Q202
Q2 t13a
P0R401
P0Q201
D4
P0D40K
P0D40A
GND DIODE GND 1 2
1 6 P0RS23206 N0RX RX 2 P0RS23202 7 P0RS23207 N0TX TX 3 P0RS23203 8 P0RS23208 4 P0RS23204 9 P0RS23209 5 P0RS23205
DIODE
GND
1 P0P102 2 P0P103 3 P0P104 4
P0P101
GND
P0BAT02
C12 P0C1201 P0C1202 104
BAT BATTERY
winbond25*48BVNIG LED GND
P0LED02 P0LED01 P0R301 P0R302 P0C102
R3 102 J1
1
2
3
4
想学习和更多资料请加 单片机/点阵/开发板群 164289621
+5 GND P1 A +5 D3
P0D30K P0D30A
+3.3 8 7 6 5
P0P108 P0P107 P0P106 P0P105 P0D10A P0BAT01
74HC245-1
P074HC2450101
P0C1301 P0C1302
C15 P0P606 P0C1501 P0C1502 104 P0P607
P0P608
9
104 C8
VDDA STM32F101CBT6
VSSA
P0U108
8 GND
GND
Header 7 GND R5 +5 D
N0PA9 PA9 P0R501 N0RX P0R502 P0Q103
C11 104 C10 P0C1001 P0C1002 104 C9 P0C901 P0C902 104