1 2 3 4 5 6 7 8
A
B
C
D
87654321
D
C
B
A
Title
Number RevisionSize
A2
Date: 17-Oct-2011 Sheet of
File: C:\Documents and Settings\Administrator\桌面\超声波热能表前期练习图.DDBDrawn By:
P6.1/UCB0SOMI/UCB0SCL
1
P6.1/UCB0SIMO/UCB0DSA
2
P6.3/UCBOSTE/UCAOCLK/A3/CA5/Veref-/Vref-
3
P6.4/UCB0CLK/UCA0STE/A4/CA6/Veref+/Vref+
4
P6.5/UCA0RXD/UCA0SOMI/A5
5
P6.5/UCA0TXD/UCA0SIMIO/A6
6
DVcc
7
XIN
8
XOUT
9
DVss
10
P6.7/A7/CA7/SVSIN
11
P4.7/ADC10CLK/S0
12
P4.6/S1
13
P4.5/S2
14
P4.4/S3
15
P4.3/S4
16
P4.2/S5
17
P4.1/S6
18
P4.0/S7
19
P2.7/S8
20
P2.6/S9
21
P2.5/S10
22
P2.4/S11
23
P2.3/TA1.4/S12
24
P2.2/TA1.3/S13
25
P2.1/TA1.2/S14
26
P2.0/TA1.1/S15
27
P3.7/S16
28
P3.6/S17
29
P3.5/S18
30
P3.4/CAOUT/S19
31
P3.3/TA0.0/TA1CLK/S20
32
P3.2/TA1.4/S21
33
P3.1/TA1.3/S22
34
P3.0/TA1.2/S23
35
P5.7/COM0
36
P5.6/COM1
37
P5.5/COM2
38
P5.4/COM3
39
P5.3/R03
40
P5.2/R13/LEDREF
41
P5.1/R23
42
R33/LEDCAP
43
P5.0/TA0.2/S25
44
P7.6/TA0.2/S25
45
P1.7/TA0CLK/CAOUT/CA1
46
P1.6/ACLK/CA0
47
P1.5/TA0CLK/CAOUT/S26
48
P1.4/TA1.0/S27
49
P1.3/TA1.0/SVOUT/S28
50
P1.2/TA0.1/S29
51
P1.1/TA0.0/MCLK/S30
52
P1.0/TA0.0/S31
53
P7.0/TDO/TDI/S32
54
P7.1/TDI/TCLK/S33
55
P7.2/TMS/S34
56
P7.3/TCK/S35
57
RST/NMI/SBWTDIO
58
TEST/SBWTCLK
59
P7.4/TA1/4/A0/CA2
60
P7.5/TA1.3/A1/CA3
61
AVss
62
P6.0/TA1.2/A2/CA4
63
AVcc
64
U3
M430F4152
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
LCD
1 2
Y1
XTAL
C7
C8
Cap Semi
100pF
XIN
XOUT
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S6
S7
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
COM0
COM1
COM2
COM3
COM0
COM1
COM2
COM3
+3.3V
XIN
1
XOUT
2
Vio
3
GND
4
Fire1
5
Fire2
6
Fire_In
7
INTN
8
SSN
9
SCK
10
SI
11
SO
12
RSTN
13
VCC
14
Clk320ut
15
Clk320it
16
SenseT
17
LoadT
18
PT4
19
PT3
20
GND
21
Vio
22
PT2
23
PT1
24
En_Stop2
25
En_Stop1
26
Stop2
27
GND
28
VCC
29
Stop1
30
Start
31
En_Start
32
TDC-GP2
1
2
J2
1
2
3
4
5
J3
1
2
3
4
5
6
7
8
9
10
J1
R2
105
C2
C5
Cap
100pF
D1
R4
104
R3
122
1K
C6
1
2
J4
1
2
J5
1
2
PT1
1
2
PT2
1
2
3
4
5
P1
D42
D41
R51
624
R52
103
R53
Res2
202
C1
R1
105
K1
SW-PB
R32
100
R41
221
C36
105
C35
C37
C38
C39
C41
R42
221
R45
105
R36
511
1
2
34
5
U7
v25k
1
2
34
5
U6
v25k
R38
103
C32
R6
105
R8
105
R7
105
R9
515
P7.4
P7.4
R5
515
C9
R21
20k
C10
1
2
3 4
5
U4
v25k
C21
R37
123
R31
100
C31
R22
122
R43
6340
R44
104
C44
R34
154
Y2
C34
C33
R11
221
R39
103
R40
103
VCC
+3.3V
VCC
+3.3V
+3.3V
+3.3V
VCC
+3.3V
CTL-VCC
CTL-VCC
CTL-VCC
CTL-VCC
3
1
2
U2
BAT754C
fire2
CTL-VCC
R10
511
+IN
1
V-
2
-IN
3
OUT
4
/SD
5
V+
6
N2
LMV761
out
out
CTL-VCC
STOP1
1
2
X1+3.3V
C4
106
C3
222
Vin
3
Vss
2
Out
1
U1
XC6201T332PR
C13
106
+VB
+3.3V
+VB
+3.3V
+3.3V
+3.3V
+3.3V
Q1
PNP
EN
RX
TX
EN
RX
TXEN
RX
TX
+3.3V
VCC
+3.3V
+3.3V
+3.3V
+3.3V
R15
100Ω
R12
12K
C12
104
PF
5
VS
10
VDD
11
BAT
9
RIS
14
SC
6
GND
15
RIDD
4
STC
3
TX1
7
TX
8
RX1
13
RX
12
BUSL2
1
VB
2
BUSL1
16
U5
TSS721
C11
10uF/16V
R14
220Ω
R13
220Ω
1
2
Pt6
M-BUS
D101
1N4148
Q2
BSS84
D102
1N4148
RX
TX
C14
104
+VB
M-BUS 模块
温度传感器接口
超声波流量传感器接口
CMOS电压调整器
电压调整器输出电压是固定值3.3V
输入是1.8V~10V
俩个稳压管
start
ELM7S14B
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