Neoway N715-EA - USB and ADC Pin Descriptions

N715-EA Hardware User Guide
Chapter 4 Module Pins
Copyright © Neoway Technology Co., Ltd. All rights reserved.
21
USB interfaces
USB_VBUS
28
PI
USB insertion detection pin
4.5 V - 5.2 V, typical value:
5.0 V
-
USB_DM
27
AIO
USB data line -
-
USB 2.0. 90 nominal differential
characteristic impedance.
This pin is used for software download
and data transmission.
USB_DP
26
AIO
USB data line +
-
USB _ID
*
139
DI
Master and slave device
detection pins, reserved.
P3
-
ADC interfaces
ADC0
19
AI
Universal ADC interface
Voltage range: 0 V - VBAT
Leave this pin open if unused.
ADC1
20
AI
Universal ADC interface
ADC2
113
AI
Universal ADC interface
ADC3
114
AI
Universal ADC interface
I2C interface
I2C_SDA
56
B
I2C data
P3
It should be pulled up to VDD_1P8
through a resistor (1.8 kΩ
recommended).
I2C_SCL
57
DO
I2C clock
P3
PCM interfaces
PCM_SYNC
58
DI
PCM data frame sync
P3
Leave this pin open if unused.
PCM_DIN
59
DI
PCM data input
P3
Leave this pin open if unused.
PCM_DOUT
60
DO
PCM data output
P3
Leave this pin open if unused.
PCM_CLK
61
DO
PCM clock
P3
Leave this pin open if unused.