MEDIATEK LinkIt 7697 HDK User Manual page 13

1
A
V_USB
5V
F1 U6
8
V_USB
1A
7
5
6
B
J3
1
5 VCC
GND
2
DM
P1
GND
3
DP
P3
GND
4
ID
P4*2
GND P6
GND
C
D
1
LinkIt 7697 HDK v10 User's Guide
2 3
ETA3410
2
L4 0.33uH L1 WLB1608-300T15
PVIN SW
4
AVIN FB
1
EN PGND
3
MODE AGND
VCC
V_USB
R15 22R
R14 22R
VCC
2*2
2 3
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Any unauthorized use, reproduction or disclosure of this document in whole or in part is strictly prohibited.
4
3V3
R10
GPIO1
SYS_RST_N
U1 CP2102N
9 21
R17 100R
RESET TXD
UART_RX
20
R18 100R
RXD
UART_TX
4 19
D- RTS
RTS
18
CTS
3 23
D+ DTR
DTR
22 VCC
DSR
8 24
VBUS DCD
1
RI/CLK
7
R13 1k
VREGIN
14
RED RX
TXLED/IO0
5 13
VIO RXLED/IO1
12
R12 1k
RS485/IO2
6 11
GREEN TX
VDD WAKEUP/IO3
15
SUSPEND
17
GND SUSPEND
CC-BY-SA
4
Page 12
5
0R button 311020045
4 3
B1 B0
2 1
A1 A0
SYS_RST
Q4
4.7k R6
C6 1uF
SYS_RST_N
GPIO37 Q2 Q3
RTS
S9013W S9013W
R4 10k
R3
Seeed Studio
TITLE:
Design: Check:
Date: Vision:
2017/3/23 16:52
5
6
A
B
C
DTR
10k
D
6