Schematics

1 2 3 4
A
B
C
D
4
321
D
C
B
A
ICE_DAT
ICE_CLK
EC5
10UF16V
ICE_RST
1
2
3
4
5
J1
Nuy-Link Interface
1.5V*3
VCC
EC1
200UF
C7
104
/CS
1
DO
2
/WP
3
VSS
4
DI
5
CLK
6
/HOLD
7
VDD
8
U2
SPI FLASH
R1
0R
R2
0R
FB1
VCCD
R4
10R
VCCA
C6
104
EC4
47uF
VCC
R5
10K
VSSA VSSD VSSPST
C4
104
EC3
10uF
VCCA
VSSSPK VSSSPK
1
2
3
4
UART
CON4
VCCD
GPA10
GPA11
ICE_DAT
ICE_CLK
C2
104
VCCD
C3
104
C8
1uF
VCCB
RESETB
30
ICE_CLK
26
ICE_DAT
25
GPA9/X32O
23
GPA8/X32I
24
VSSD
13
VSSPST
12
VSSA
44
VSSSPK
18
VSSSPK
19
GPA15/PGCVMID
45
GPA14/MICN
46
GPA13/MICP
47
GPA12/MICBIAS
48
SPKN
21
SPKP
16
VCCSPK
15
VCCA
49
VCCB
2
VCCFS
1
VCCPST
33
VCCD
32
GPB0/SPIM_CLK
3
GPB1/SPIM_MOSI
4
GPB2/SPIM_SIO3
5
GPB3/SPIM_SIO2
6
GPB4/SPIM_MISO
7
GPB5/SPIM_SS
8
GPB6/UARTTX
9
GPB7/UARTRX
10
GPB8/SPI_MISO
11
GPB9/SPI_SS0
27
GPB10/SPI_SS1/Touch5
28
GPB11/IR/Touch6
29
GPA11/Touch4
34
GPA10/Touch3
35
GPA7/Touch2/PWM13
36
GPA6/Touch1/PWM12
37
GPA5/Touch0/PWM11
38
GPA4/AIN4//PWM10
39
GPA3/AIN3//PWM3
40
GPA2/AIN2/PWM
41
GPA1/AIN1/PWM1
42
GPA0/AIN0/PWM0
43
VPP(NC)
14
SPKP
17
SPKN
20
VCCSPK
22
VDDL
31
U1
SPIM_CLK
SPIM_MOSI
SPIM_MISO
SPIM_SS
SPIM_CLK
SPIM_MOSI
SPIM_MISO
SPIM_SS
VCCB
C9
1uF
VCCD
ICE_RST
Nuy-Link Interface
RX
TX
VCCD
_
+
GPA10
GPA11
Chord1
Chord2
Chord3
String
C1
104
PTC1
PTCR
VCCB
GPB11
GPB10
GPB9
GPB8
GPB7
GPB10
GPB9
GPB8
GPB7
5
2
4
1
3
Mode
GPA4
GPA5
GPA6
GPA7
GPA1
GPA2
GPA3
OFF
Low
Medium
High
Mode1
Mode2
Mode3
Mode4
UART
GPA4
GPA5
GPA6
GPA7
GPA0
GPA1
GPA2
GPA3
NTDP090
SPKN
SPKP
C11
104
EC2
100uF
GPA15
GPA14
GPA13
GPA12
GPA15
GPA14
GPA13
DACL
Op EN
C26
100uF
C20
104
C19
1uF
Audio amp option 1
SPN
1
SPP
2
VSS
3
INN
4
ACIN
5
VREF
6
CE
7
VDD
8
U5
GPY
0030C
R9
3.3K
C18
0.1UF
C24
0.1UF
R21
20KC21
103
R7
5.1K
R8
5.1K
R3
10K
Op EN
SPKN
SPKP
R14
5.1K
C25
0.1UF
DACL
VCC
1
1
2
2
SPK1
50mm
C29 104/NC R16 10K/NC
Ball Sw1
C5
104
GPB11
Ball Sw2
C30
104
GPA8
GPA8
GND
SPI_CS
SPI_CLK
SPI_DI
SPI_DO
VBAT DACL
U3
BLE MODULE-1
SW1
R6
33R
R10
33R
VCC
Q1
PNP
R11
10K
R12 1K
GPB6
GPB6
R13
5.1R
Item No: 654794
Item Name: My Jam- Acoustic Guitar