
GTK-XB5
GTK-XB5
24
24
4-4. SCHEMATIC DIAGRAM - MAIN Board (2/7) -
MCU_RST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
VDD
PC14/OSC32_IN
PC13
PF0/OSC_IN
PC15/OSC32_OUT
PF1/OSC_OUT
NRST
PC0
PC1
PC2
PC3
VSSA
VDDA
PA0
PA1
PA2
PA3
VSS VDD
PA4 PA5 PA6 PA7 PC4 PC5 PB0 PB1 PB2 PB10 PB11 VSS VDD
PB12
PB13
PB14
PB15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
PA11
PA12
PA13
VSS
VDD
PA14
PA15
PC10
PC11
PC12
PD2
PB3
PB4
PB5
PB6
PB7
BOOT0
PB8
PB9
VSS
VDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
NC
NC
NC
GND
SDA
SCL
WP
VCC
To Flash LED1 Board
To KEY Board
EEPROM
MCU_3V3
STB_3V3
MCU_3V3
STB_3V3
MCU_3V3
MCU_3V3
MCU_3V3
M
C
U_3V3
MCU_3V3
MCU_3V3
MCU_3V3
M
C
U_3V3
MCU_3V3
MCU_3V3
MCU_3V3
MCU_3V3
MCU_3V3
VCC_D
STB_5V
3.3V_D1
MCU_3V3
MCU_3V3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
1
3
2
5
4
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
1
2
3
4
5
6
7
8
R399
33
R399
33
Q37
NPN_3DG3904M
Q37
NPN_3DG3904M
R375
10K
R375
10K
C
306
0.
1U
F
C
306
0.
1U
F
C345
0.
1U
F
C345
0.
1U
F
FB43
220
FB43
220
C342
0.
1U
F
C342
0.
1U
F
R154
10K
R154
10K
UART2_TX
UART2_TX
C346
100pF/
50V/
N
P0
C346
100pF/
50V/
N
P0
R821
33
R821
33
C321
47pF/
5
0V/
N
P0
C321
47pF/
50V/
N
P0
R281
NC/33
R281
NC/33
R235
1M
R235
1M
C314
47pF/
5
0V/
N
P0
C314
47pF/
50V/
N
P0
C93
20pF/50V/NP0
C93
20pF/50V/NP0
R812
220
R812
220
R135
33
R135
33
C322
47pF/
5
0V/
N
P0
C322
47pF/
50V/
N
P0
C341
0.
1U
F
C341
0.
1U
F
R854
220
R854
220
C313
47pF/
5
0V/
N
P0
C313
47pF/
50V/
N
P0
C311
47pF/
5
0V/
N
P0
C
31
1
47
pF
/5
0
V
/NP
0
R282
NC/33
R282
NC/33
C312
47pF/
5
0V/
N
P0
C312
47pF/
50V/
N
P0
R849
33
R849
33
R32
4.7K
R32
4.7K
R814
220
R814
220
C92
20pF/50V/NP0
C92
20pF/50V/NP0
R246
1M
R246
1M
C340
100pF/
50V/
N
P0
C340
100pF/
50V/
N
P0
R817
33
R817
33
R115
100K
R115
100K
R155
10K
R155
10K
XP16
16PIN/1.0mm
XP16
16PIN/1.0mm
R
241
1M
R
241
1M
R396
75
R396
75
C344
0.
1U
F
C344
0.
1U
F
R852
220
R852
220
R33
4.7K
R33
4.7K
C328
100pF/
50V/
N
P0
C328
100pF/
50V/
N
P0
R4
10
33
R
410
33
R247
1M
R247
1M
R
242
1M
R
242
1M
R394
33
R394
33
FB68
220
FB68
220
R855
220
R855
220
FB48
0
FB48
0
R116
100K
R116
100K
FB42
220
FB42
220
D4
LL4148
D4
LL4148
C121
2.2UF
C121
2.2UF
C250
10PF/50V/NPO
C250
10PF/50V/NPO
R811
33
R811
33
R4
03
33
R4
03
33
R851
220
R851
220
XP17
9pin 1.0mm
XP17
9pin 1.0mm
C182
0.1uF/16V/X7R
C182
0.1uF/16V/X7R
R130
1K
R130
1K
U16
STM32F070XB/X6
U16
STM32F070XB/X6
C347
0.
1U
F
C347
0.
1U
F
R248
1M
R248
1M
R393
NC/1K
R393
NC/1K
R128
4.7K
R128
4.7K
R809
33
R809
33
R405
33
R405
33
XP70
NC/14PIN/1.0mm
XP70
NC/14PIN/1.0mm
R395
NC/1K
R395
NC/1K
C
362
0.
1U
F
C
362
0.
1U
F
R132
4.7K
R132
4.7K
R4
11
33
R
411
33
R249
1M
R249
1M
R374
10K
R374
10K
R
244
1M
R
244
1M
R34
4.7K
R34
4.7K
R243
1M
R243
1M
R133
1K
R133
1K
C315
47pF/
5
0V/
N
P0
C315
47pF/
50V/
N
P0
R813
220
R813
220
R205
4.7K
R205
4.7K
R819
33
R819
33
C308
47pF/
5
0V/
N
P0
C308
47pF/
50V/
N
P0
C309
47pF/
5
0V/
N
P0
C
30
9
47
pF
/5
0
V
/NP
0
C310
47pF/
5
0V/
N
P0
C310
47pF/
5
0V/
N
P
0
C365
NC/0.1UF
C365
NC/0.1UF
Y3
NC/8MHz/30PPM
Y3
NC/8MHz/30PPM
C
363
0.
1U
F
C
363
0.
1U
F
C348
100pF/
50V/
N
P0
C348
100pF/
50V/
N
P0
R35
4.7K
R35
4.7K
XP9
4PIN/2.0mm
XP9
4PIN/2.0mm
C296
100pF/50V/NP0
C296
100pF/50V/NP0
R816
33
R816
33
R113
1M
R113
1M
R
240
1M
R
240
1M
R4
04
33
R4
04
33
R810
220
R810
220
C357
100pF/
50V/
N
P0
C357
100pF/
50V/
N
P0
U34
NC/EEPROM_16Kb_M24C16
U34
NC/EEPROM_16Kb_M24C16
R114
27K
R114
27K
FB40
220
FB40
220
R956
1K
R956
1K
R1
48
0R
14
8
0
R
238
1M
R
238
1M
R853
220
R853
220
Close to MCU
Close to MCU
SWDIO
SWCLK
MCU_RST
YI
YO
MCU_RX
MCU_TX
SW
CLK
SWDIO
YI
YO
MCU_RST
EEPROM_SCL
EEPROM_SDA
MCU_TX
MC
U
_R
X
EEPROM_SCL
EEPROM_SDA
R W
HITE_
LED1
PW_LED
21
AUX W
H
ITE_LED1
BT Blue_LED
1
MOLD WHITE_LED1
L WH
IT
E_LED
1
NFC_INT0
ADC_KEY1
PW_LED21
PW_LED11
BASS RED_LED1
BT Blue_LED1
AUX WHITE_LED1
L WHITE_LED1
R WHITE_LED1
MOLD WHITE_LED1
PW_LED11
BASS RED_LED1
ADC_KEY1
NFC_INT0
ADC_KEY2
ADC_KEY2
BT_RX
6
BT_TX
6
EEPROM_SCL
EEPROM_SDA
Party_Chain_SW
7
NFC_INT
5
MFB
6
BT_RESET
6
SPI
3_M
OSI
5
SPI
3_SCK
5
SPI
3_LE
5
SPI
3_M
IS
O
5
PWMCLK
5
POW
ER_EN
4
PO
WER
_5V_EN
4
SPI3_MOSI
5
SPI3_SCK
5
SPI3_LE
5
SPI3_MISO
5
PWMCLK
5
AM
P_RESET
9
VALID
10,9
AM
P_M
U
TE
9
Y_Rest
8
Party_Chain_Out
7
Party_Chain_In
7
AMUTE
8
NFC_BT
6
AUDIO_MUTE
7
NFC_INT
5
NFC_INT0
I2C
2_SC
L
8,
9
I2C
2_SD
A
8,
9
A
3
8
6
E
2
9
D
5
B
C
7
1
4
(2/7)
MAIN BOARD
Summary of Contents for GTK-XB5
Page 45: ...MEMO GTK XB5 45 ...