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ADC_IN0
PCM_SYNC
GPIO58
GPIO[58]
PWM[37]
WIC[9]
ADC_IN1
PCM_OUT
GPIO59
SWD_DIO
GPIO[59]
PWM[38]
WIC[10]
ADC_IN2
PCM_IN
GPIO60
SWD_CLK
GPIO[60]
PWM[39]
PULSE_CNT
WIC[11]
ADC_IN3
Note, to use the GPIO27 and GPIO28 pins as I2C0, add pull-up resistors on the HDK or on the I2C0
daughterboard. To add pull-up resistors on the HDK, refer to the resistor locations in Figure 7. The location of
R23 is for adding the pull-up resistor for I2C0_SDA (GPIO28). The location of R25 is for adding the pull-up
resistor for I2C0_CLK (GPIO27). Similarly, the pull-up resistors are also needed in order to use GPIO24
(I2C1_CLK) and GPIO25 (I2C1_DATA) pins as I2C1. Due to the space limitation on the HDK, these pull-up
resistors for GPIO24 and GPIO25 need to be added on the I2C1 daughterboard.
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.
I
Auxiliary ADC input
I/O
PCM interface for Bluetooth
I/O
General purpose input, output
O
Pulse-width-modulated output
I
External interrupt
I
Auxiliary ADC input
O
PCM interface for Bluetooth
I/O
Cortex-M4 debug port
I/O
General purpose input, output
O
Pulse-width-modulated output
I
External interrupt
I
Auxiliary ADC input
I
PCM interface for Bluetooth
I
Cortex-M4 SWD debug port
I/O
General purpose input, output
O
Pulse-width-modulated output
I
Pulse counter input
I
External interrupt
I
Auxiliary ADC input
© 2015 – 2016 MediaTek Inc.
LinkIt 7687 HDK V30 User's Guide
Page 17 of 23
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