1
3.3V
XPA1
1
TEST
2
RST
3
4
A
PIN4
XPA2
AD_1
1
2
5 6
AD_2
3
4
3.3V
PIN4
B
3.3V
N1
C2
C1
1
VCC
R14
3.3K
0.1uF
47uF/10V
14
VSS
RST
10
RST/NMI/SBWTDIO
TEST
11
TEST/SBWTCK
PWM_1
13
XIN/P2.6/TA1
LED_CON
12
XOUT/P2.7
MSP430F2011PW
C
P1
P2
P3
P4
P5
P6
P7
MENU
INPUT
VOL+
VOL-
CH+
CH-
POWER
D
1
2
接口部分:
1 、 XPA2 、 XPA3 接口为为 2.0 间距卧式直插插座;
2 、 XPA1 为调试接口,留出焊盘 ,方便调试;
3 、 I2C 接口也为后期调试接口,最好有;如果影响 PCB 布局,
可以不要,上面的两个电阻也可一并舍去;
2
Ca_Ref
P1.0/TACLK/ACLK/CA0
3
Sensor_1
P1.1/TA0/CA1
4
Sensor_2
P1.2/TA1/CA2
5
Ca_Out
P1.3/CAOUT/CA3
6
Sensor_3
P1.4/SMCLK/CA4/TCK
7
Sensor_4
P1.5/TA0/CA5/TMS
8
PWM_2
P1.6/TA1/CA6/TDI/TCLK
9
Sensor_5
P1.7/CAOUT/CA7/TDO/TDI
Sensor_1
Sensor_2
Sensor_3
Sensor_4
Sensor_5
Ca_Out
R1
R2
R3
R4
R5
R7
100K
100K
100K
100K
100K
100K
R8
Ca_Ref
100K
R9
3.3V
100K
2
3
4
3.3V
R16
R17
R18
R19
R20
100
100
100
100
100
LED1 LED2 LED3 LED4
LED5 LED6
V1
R15
LED_CON
BC847BW
3.3K
LED 封装为 0603 ,位于按键下方,
抠孔透光;
3.3V
LS1
2
D2
2
1
1
R11
IN4148
1
1
3.3k
Buzzer
V2
C4
R13
LED_CON
BC847BW
R750
1uF
R10
D1
R680
IN4148
3.3V
3.3V
C6
0.1uF
R12
R27
PWM_1
AD_1
PWM_2
4.7K
4.7K
3
4
5
R21
R22
100
100
LED7
LS2
1
1
2
2
Buzzer
PLACA CONTROLES 1833 VER. H
C7
0.1uF
AD_2
5
6
A
B
C
D
6