LinkIt 2523 HDK v11 User's Guide
© 2015 - 2016 MediaTek Inc.
Page 21 of 82
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Back
SW6505 button is assigned to simulate
BACK
key similar to the keypad.
Figure 14. The positions of buttons, strap pin resistors, jumpers J1102 to J1104
4.6.
GPIO
LinkIt 2523 GPIOs provide the following internal states: digital high and digital low, input and output. The pin
configuration is stored under
project\mt2523_hdk\template\ept_config
folder and the Easy PinMux Tool
is under
PC_tool_Win
folder. To learn more about the software registers and GPIO functionality, refer to the
LinkIt 2523 API Reference Manual.
MT2523 digital die eFuse, MT2523 real-time clock (RTC) source selection and pins assigned for user applications
are GPIO features that could be customized in user-defined applications.
4.6.1.
MT2523 digital die eFuse
The MT2523 digital die eFuse function can be enabled to protect the binary image stored on the HDK, as shown
in
Left to right
R9009, R9010
R9007, R9008
Left to right
SW6502, SW6503
SW6504, SW6505
Left to right
R9002, R9001
R9005, R9006
Top to bottom
J6102
J6105
J6106
J6103
J6104
J6101
Power Key
Reset
J1102
J1104
J1103
3 2 1
3 2 1