Neoway N715-EA - UART2, Debug UART, and USIM Pins

N715-EA Hardware User Guide
Chapter 4 Module Pins
Copyright © Neoway Technology Co., Ltd. All rights reserved.
20
UART2 interface
UART2_RTS
121
DO
UART ready to send
P3
Used for data transmission.
UART2_CTS (pin #122) can be used to
capture CP-side log.
UART2_CTS
122
DI
UART clear to send
P3
UART2_RXD
123
DI
UART data input
P3
UART2_TXD
124
DO
Data transmitting
P3
DEBUG UART
DEBUG_UART_RXD
72
DI
DEBUG data receiving
P3
It is used for log capturing only.
Leave this pin open if unused.
DEBUG_UART_TXD
71
DO
DEBUG data sending
P3
USIM interfaces
USIM1_VCC
8
PO
USIM1 power output
I
O max
= 50 mA
-
USIM1_DATA
6
B
USIM1 data input and output
P1
Connecting this pin to USIM1_VCC
through a 4.7 kΩ pull-up resistor is
required.
USIM1_CLK
5
DO
USIM1 clock output
P1
-
USIM1_RESET
7
DO
USIM1 reset
P1
-
USIM1_DET
9
DI
USIM1 plug detection
P3
-
USIM2_VCC
136, 148
PO
USIM2 power output
I
O max
= 50 mA
-
USIM2_RESET
145
DO
USIM2 reset
-
-
USIM2_DATA
146
B
USIM2 data input and output
P1
Connecting this pin to USIM2_VCC
through a 4.7 kΩ pull-up resistor is
required.
USIM2_CLK
147
DO
USIM2 clock output
P1
-