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Circuit Boards
Accelerometer Board Schematic
Accelerometer Module
AVDD_3.3V
C3
10U/25V
C1
104
GMA301_INT
From Main Board J4
I2C1_SDA
I2C1_SCL
Function Board Schematic-1
PAD Board Schematic
AVDD_3.3V
P1
P2
P3
P4
P5
P6
P7
P8
300k
300k
300k
300k
300k
300k
300k
300k
Drum Pad
From Main Board J11
AVDD_3.3V
J2
AVDD_3.3V
1
2
3
ADC_DRUM_PAD
C13
4
5
ADC_CTRL00
6
ADC_CTRL01
104/50V
7
ADC_CTRL02
8
9
VDD_3.3V
10
11
LED_PWR0
12
13
LED_PWR1
14
VDD_3.3V
LED_DATA2
15
16
17
LED_CLK
18
C8
104/50V
GND
REMARK :
1 - ALL RESISTANCE VALUES ARE INDICATED IN "ohm". (K = 1,000ohm; M = 1,000,000ohm. )
2 - ALL CAPACITANCE VALUES ARE INDICATED IN "F". ( U = 0.000001F; P = 0.000001UF. )
1
10
NC
2
9
RESERVED
DVDD
3
8
AVDD
DGND
4
7
AGND
SDA
5
6
INT
SCL
GMA302
U1
VDD_3.3V
AVDD_3.3V
J1
GMA301_INT
1
2
3
4
5
6
7
8
LED_PWR1
U2
13
11
ADC_CTRL00
O0
A
14
10
ADC_CTRL01
O1
B
15
9
ADC_CTRL02
O2
C
12
6
O3
INH
1
DNS
O4
ADC_DRUM_PAD
C1
5
3
O5
O/IN
2
7
AVDD_3.3V
O6
VEE
16
4
O7
VCC
8
C2
GND
74HC4051
+
C5
10uf/25V
C14
+
10uF/16V
AGND
C9
+
10uF/16V
GND
VDD_3.3V
I2C1_SDA
I2C1_SCL
C2
C4
10U/25V
104
LED_PWR0
R1
R2
R3
R4
R5
R6
R7
R8
R13
LED_DATA3
R9
R10
R11
R12
U5-A
33R
3 QA
1
LED_DATA2
A
39R
4 QB
2
B
51R
5 QC
33R
6 QD
39R
10 QE
51R
11 QF
33R
VDD_3.3V
12 QG
9
CLR
39R
13 QH
8
LED_CLK
CK
VDD_3.3V
74HC164
100R
C6
C3
14
U5-B
+
+
7
-
104/50V
10uf/25V
74HC164
U1-A
51R
3 QA
1
LED_DATA3
A
33R
4 QB
2
B
39R
5 QC
51R
6 QD
10 QE
11 QF
VDD_3.3V
12 QG
9
CLR
13 QH
8
LED_CLK
CK
74HC164
VDD_3.3V
C4
14
+
U1-B
+
7
-
104/50V
C7
10uf/25V
74HC164
RGB_LED
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