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Main board schematic-2
3.3V_I
R48
R/1K/Ohm/0402
GPIO37
Flash MODE Select:
J25 Connected: Flash Recovery mode
J25 Disconnected: Flash Normal mode
(Module default is at flash normal mode)
J22
MT7687 Module Base
42
GND
43
GND
1
GND
GPIO2
2
G2/RX
GPIO3
3
G3/TX
GPIO4
4
G4
GPIO5
5
G5
GPIO6
6
G6
GPIO0
7
G0
GPIO1
8
G1
9
GND
10
GPIO7
G7
11
GPIO24
G24
12
GPIO25
G25
13
GPIO26
G26
14
GPIO27
G27
15
3V3
VDD
3.3V_I
R42
GPIO37_H
R/1K/Ohm/0402
J25
2x1
GPIO6
R69
R/1K/Ohm/0402
32K Clock MODE Select
Module default pull high:External 32K
Connect JP34 pin1 pin2:Internal 32K
41
GND
40
GPIO33
G33
39
GPIO34
G34
38
GPIO35
G35
37
GPIO38
G38
36
GND
35
GPIO37
G37/TX
34
GPIO36
G36/RX
33
SY S_RST_N
SY S_RST
32
GPIO39
G39
31
GPIO57
G57
30
GPIO58
G58
29
GPIO59
G59
28
GPIO60
G60
27
GND
26
VDD
3V3
This document contains information that is proprietary to MediaTek Inc.
Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
USB2
USB1
GPIO6_H
J32
JP34
3.3V_I
I2C0 SCL
2
1
I2C0 SDA
2
3.3V_I
3
SY S_RST_N
+5V
4
3.3V_I
SCK
5
MISO
6
MOSI
GPIO6_LL
7
SS
8
CON8
J33
LED
LED
1
GPIO60
ADC
LED
2
GPIO59
ADC
LED
3
GPIO58
ADC
INT
4
GPIO57
ADC
INT
5
GPIO28
I2C0 SDA
CM4_UART2_TX
6
GPIO27
I2C0 SCL
CM4_UART2_RX
CON6
CM4_UARR1_TX
CM4_UART1_RX
SPI_CLK_EXT
SPI_D3_EXT
SPI_D2_EXT
SPI_CS_EXT
SPI_D1_EXT
MT7687_97_97D
SPI_D0_EXT
Module
3.3V_I
U1
4
5
NC
NC
3
6
NC
SCL
GPIO28
2
7
SDA
RST
1
8
1
GND
VCC
NI/CP IF
R90
C104
C/0.1/uF/0402
M4
M3
M2
HOLE/GND
HOLE/GND
HOLE/GND
© 2015 MediaTek Inc.
LinkIt 7687 HDK V30 User's Guide
J34
GPIO27
1
2
GPIO28
3
4
GPIO31
5
GPIO30
6
GPIO29
7
GPIO32
8
GPIO39
9
GPIO38
10
CON10
J35
GPIO35
1
GPIO34
2
GPIO33
3
GPIO6
4
GPIO1
5
GPIO0
6
GPIO37
7
GPIO36
8
CON8
CON8
8
GPIO3
GPIO2
7
6
GPIO26
GPIO25
5
4
GPIO24
GPIO7
3
2
GPIO5
GPIO4
1
J36
GPIO27
CP_RST
2
NI/R/10K/Ohm/0402
R88
R/10K/Ohm/0402
M1
HOLE/GND
MediaTek Inc.
Title
MT76x7 Main Board
Size
Document Number
C
2_Test Interf ace
Date:
Monday , March 07, 2016
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO24
GPIO25
GPIO26
GPIO27
GPIO28
GPIO29
GPIO30
GPIO31
GPIO32
GPIO33
GPIO34
GPIO35
GPIO36
GPIO37
GPIO38
GPIO39
GPIO57
GPIO58
GPIO59
GPIO60
SY S_RST_N
RTC_3V3
PMU_EN_WF
PMU_EN_RTC
Rev
3.0
Sheet
2
of
4
Page 21 of 23
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