LinkIt 2523 HDK v11 User's Guide
© 2015 - 2016 MediaTek Inc.
Page 39 of 82
This document contains information that is proprietary to MediaTek Inc. (“MediaTek”) and/or its licensor(s).
Any unauthorized use, reproduction or disclosure of this document in whole or in part is strictly prohibited.
Pin
number
GPI
O #
Power
domain
Descript
ion
Flexibl
e
mode
1
Flexible
mode2
Flexible
mode3
Flexible
mode4
Flexible
mode5
Flexible
mode6
Flexible
mode8
Flexible
mode9
19
6
DVDD_
VIO_A
EINT
GPIO
URXD2
MC1_D
A0
MA_SPI
0_MOSI
SLA_ED
IWS
20
29
DVDD_
VIO_A
EINT
CMCS
K
GPIO
LPTE
CMCSD
2
MC1_D
A1
BT_RGPI
O2
21
13
DVDD_
VIO_C
SEN_32
K_BB
GPIO
EINT
CLKO
MA_EDI
WS
MA_SPI
1_MOSI
PWM2
SLA_EDI
WS
22
24
DVDD_
VIO_A
GPIO
EINT
MC1_D
A1
SLA_EDI
CK
UTXD2
BT_BUC
K_EN_H
W
MA_SPI
0_MISO
23
GND
24
GND
4.16.10.
USB 2.0 high speed connector
The
2523 USB
connector (see Figure 3 and Figure 24) follows USB 2.0 high-speed standard to communicate with
other compatible devices. It’s used for charging and system power supply. The 5V power rail is also connected
with
MK20 USB
. The connector pins are described in Table 24.
Figure 24. High-speed USB2.0 connector
Table 24.The HDK’s high speed USB 2.0 connector
Pin number
Description
Pin number
Description
1
VUSB_BB
2
D-
3
D+
4
NC
5
GND
-
-
4.16.11.
CMSIS-DAP USB 1.1 full speed connector
Apply the
MK20 USB
connector (see Figure 25 and Figure 26) to update the binary on the HDK using CMSIS-DAP
without other tools. The HDK operates as a removable mass storage, if the
MK20 USB
is used for connecting the
device to the PC.
Figure 25. CMSIS-DAP USB 1.1 full speed connector
The connector pin details are described in Table 25.