电表数据采集器的原理图

VCC-5V
U5
P0U502 2 1 P0U501 VIN VOUT P0U508 4 P0U504 8 NC NC P0U507 5 P0U505 7 NC NC P0U506 3 P0U503 6 GND NC
P0RP103 RP1 1 P0RP101
3
VCC-5V
P0R602
R6 10K
22pF
C4 VCC
P0U408
1
VCC-5V
P0R402
P0Y102
SDA
P0R601
R4 10K N0SCK SCK
1 P0U401 E0 2 P0U402 E1 3 P0U403 E2 6 P0U406 SCL 7 P0U407 WC 4
P0U404
8
VCC-5V
N0SDA SDA
22pF C6
P0C602 P0C601
P0P101
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
P0P102 P0P104 P0P106 P0P108 P0P1010 P0P1012 P0P1014 P0P1016 P0P1018 P0P1020 P0P1022 P0P1024 P0P1026 P0P1028 P0P1030 P0P1032 P0P1034
VCC-5V P0U7016 16 VCC C
10 P0U6010 IN+ 9 P0U609 IN5
4 6
N0R2IN
N0T2OUT
N0COM COM
P0C902 P0C901
P0U605 AUTO ZERO
U8 C10 N0VCC05V 16 P0C1001 P0C1002 VCC-5V VCC 104 P0U902 2 C12 VS+ P0U906 P0C1201 P0C1202 6 104 C13 P0C1301 P0C1302 VS104 P0U9014 14 T1OUT P0U907 N0T2OUT 7 T2OUT T2OUT P0U9012 12 R1OUT P0U909 N0RXD 9 RXD R2OUT
U7 6 P0U706 EN N0P100 P1.0 11P0U7011 A N0P101 P1.1 10P0U7010 B N0P102 P1.2 9P0U709 C
N0X0 X0 13 P0U7013 X0 N0X1 X1 14 P0U7014 X1 N0X2 X2 15 P0U7015 X2 N0X3 X3 12 P0U7012 X3 N0X4 X4 1 P0U701 X4 N0X5 X5 5 P0U705 X5 N0X6 X6 2 P0U702 X6 N0X7 X7 4 P0U704 X7
P0Y101
U4
P0C402 P0C401
C5 P0C502 10uF
N0RESET RESET
N0X1 X1
P0U405
5
2
Y1 XTAL
P0R302
R3 1K
DIN P0U2012 CS P0U2013 CLK P0U202 DIG0 P0U2011 DIG1 P0U206 DIG2 P0U207 DIG3 P0U203 DIG4 P0U2010 DIG5 P0U205 DIG6 P0U208 DIG7 P0U2024 DOUT
10K
2
P0D301
R7
P0R701 P0R702
10K
P0C702 P0C701 N0IN+ IN+
J1 C
1 P0J106 6 P0J102 2 P0J107 7 P0J103 3 P0J108 8 P0J104 4 P0J109 9 P0J105 5
P0J101
R8
P0R802 P0R801
U6 2 C7 0.1uF C9
P0U602
MC1403D BOXCONN_DB9
100K
N0IN0 IN-
P0D302
REF
VCC-5V P0U601111 VCC+ INT OUT P0U606 BUFF OUT
P0U604
100K D3 1N4148 C8 P0R901 100K
P0C801 N0COM COM P0C802 0.47uF
VCC P00 P01 P02 P03 P04 P05 P06 P07 EA PLE PSEN P27 P26 P25 P24 P23 P22 P21 P20
40 P0U3039 39 P0U3038 38 P0U3037 37 P0U3036 36 P0U3035 35 P0U3034 34 P0U3033 33 P0U3032 32 P0U3031 31 P0U3030 30 P0U3029 29 P0U3028 28 P0U3027 27 P0U3026 26 P0U3025 25 P0U3024 24 P0U3023 23 P0U3022 22 P0U3021 21
P0U3040
P2 N0VCC05V VCC-5V P0P201 1 N0PP00 PP00 P0P203 3 N0PP01 PP01 P0P205 5 N0PP02 PP02 P0P207 7 N0PP03 PP03 P0P209 9 N0PP04 PP04 P0P2011 11 N0PP05 PP05 P0P2013 13 N0PP06 PP06 P0P2015 15 N0PP07 PP07 P0P2017 17 N0EA EA P0P2019 19 N0PLE PLE P0P2021 21 N0PSEN PSENP0P2023 23 N0PP27 PP27 P0P2025 25 N0PP26 PP26 P0P2027 27 N0PP25 PP25 P0P2029 29 N0PP24 PP24 P0P2031 31 N0PP23 PP23 P0P2033 33 N0PP22 PP22 P0P2035 35 N0PP21 PP21 P0P2037 37 N0PP20 PP20 P0P2039 39
P0U2018
10K R2 P0R202 P0R201 A B C D E F G
N0DP DP
B
SEG DP
P0U2022
22
N0X2 X2
S1 SW-PB
R5
P0S102 P0R502 P0R501
P0S101
4 9
GND P0U209 GND MAX7221ERG
GND
ST24164B1
P0RP102
U3
P0R301 N0VCC05V VCC-5V
Header 20X2
P0C501
N0G N0F N0E N0D N0C N0B N0A
C1 Cap
C2 Cap
C3 Cap
N0SDA SDA N0SCK SCK N0X2 X2 N0X1 X1
1 P0P103 3 P0P105 5 P0P107 7 P0P109 9 P0P1011 11 P0P1013 13 P0P1015 15 P0P1017 17 P0P1019 19 P0P1021 21 P0P1023 23 P0P1025 25 P0P1027 27 P0P1029 29 P0P1031 31 P0P1033 33 P0P1035 35 P0P1037 37 P0P1039 39
1
2
3 SMG1
4
P1 U1 A 1 VBUS P0U102 2 D- P0U103 3 D+ P0U104 4 GND P0U105 5 Shell P0U106 6 Shell USB
N0VCC05V VCC-5V P0U101 P0D102 N0P100 P1.0 N0P101 P1.1 N0P102 P1.2 N0P103 P1.3 N0P104 P1.4 N0P105 P1.5 N0P106 P1.6 N0P107 P1.7 N0RESET RESET N0RXD RXD N0TXD TXD N0OVR OVR N0UNR UNR
SMG-8
P0C101 P0C102
A B C D E F G N0DP DP
N0A N0B N0C N0D N0E N0F N0G
U2
N0P104 P1.4 1 N0P105 P1.5 12 N0P106 P1.6 13 N0DIG0 DIG0 2 N0DIG1 DIG1 11 N0DIG2 DIG2 6 N0DIG3 DIG3 7 N0DIG4 DIG4 3 N0DIG5 DIG5 10 N0DIG6 DIG6 5 N0DIG7 DIG7 8 24
PR1 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
P0P202 P0P204 P0P206 P0P208 P0P2010 P0P2012 P0P2014 P0P2016 P0P2018 P0P2020 P0P2022 P0P2024 P0P2026 P0P2028 P0P2030 P0P2032 P0P2034 N0POL POL N0P206 P2.6 N0P205 P2.5 N0P204 P2.4 N0P203 P2.3 N0P202 P2.2 N0P201 P2.1 N0P200 P2.0 N0VCC05V VCC-5V N0D0 D0 N0D1 D1 N0D2 D2 N0D3 D3 N0D4 D4 N0D5 D5 N0D6 D6 N0D7 D7 N0VCC05V VCC-5V N0ALE ALE N0VCC05V VCC-5V 1 P0PR101 1 N0PP00 PP00 2 P0PR102 2 N0PP01 PP01 3 P0PR103 3 N0PP02 PP02 4 P0PR104 4 N0PP03 PP03 5 P0PR105 5 N0PP04 PP04 6 P0PR106 6 N0PP05 PP05 7 P0PR107 7 N0PP06 PP06 8 P0PR108 8 N0PP07 PP07 9 P0PR109 9
P0U204
P0U201
V+
19
N0VCC05V VCC-5V
18 ISET P0U201414 SEG A P0U201616 SEG B P0U202020 SEG C P0U202323 SEG D P0U202121 SEG E P0U201515 SEG F P0U201717 SEG G
N0PP10 PP10 1 P0U301 P10 N0PP11 PP11 2 P0U302 P11 N0PP12 PP12 3 P0U303 P12 N0PP13 PP13 4 P0U304 P13 N0PP14 PP14 5 P0U305 P14 N0PP15 PP15 6 P0U306 P15 N0PP16 PP16 7 P0U307 P16 N0PP17 PP17 8 P0U308 P17 N0REST REST 9P0U309 RST N0PP30 PP30 10 P0U3010 P30 N0PP31 PP31 11 P0U3011 P31 N0PP32 PP32 12 P0U3012 P32 N0PP33 PP33 13 P0U3013 P33 N0PP34 PP34 14 P0U3014 P34 N0PP35 PP35 15 P0U3015 P35 N0PP36 PP36 16 P0U3016 P36 N0PP37 PP37 17 P0U3017 P37 N0X2 X2 18 P0U3018 XTAL2 N0X1 X1 19 P0U3019 XTAL1 20P0U3020 GND
10 P0SMG1010 a 9 P0SMG109 b 8 P0SMG108 c 5 P0SMG105 d 4 P0SMG104 e 2 P0SMG102 f 3 P0SMG103 g 7 P0SMG107 dp
A
N0DIG1 DIG1 P0SMG101 1 1 N0DIG2 DIG2 P0SMG106 6 2 N0DIG3 DIG3 11 P0SMG1011 3 DIG4 12 N0DIG4 P0SMG1012 4 N0DIG5 DIG5 13 P0SMG1013 5 N0DIG6 DIG6 14 P0SMG1014 6 DIG7 15 N0DIG7 P0SMG1015 7 N0DIG8 DIG8 16 P0SMG1016 8 P0U2019
VCC-5V
N0VCC05V
P0D101
D1 1N4148
R1
P0R101 P0R102 P0C201 P0C202 P0C301 P0C302
D2
P0D201 P0D202
P0PБайду номын сангаас036 P0P1038 P0P1040
P0P2036 P0P2038 P0P2040
Header 20X2 B
P0R401