Neoway N715-EA - GPIO Interfaces

N715-EA Hardware User Guide
Chapter 5 Application Interfaces
Copyright © Neoway Technology Co., Ltd. All rights reserved.
64
5.7 GPIO Interfaces
Signal
Pin
I/O
Function description
Remarks
GPIO4
69
B
General Purpose Input Output
-
GPIO5
70
B
General Purpose Input Output
-
N715-EA provides 2 GPIO interfaces, all of which have the interrupt function.
5.8 Multi-Function Interfaces
Table 5-4 Pin definition description
Function
(default)
Pin
GPIO
Function
(multiplexed)
Pin
State
Remarks
UART1_DCD
48
GPIO24
SDIO1_CMD
H
-
UART1_DTR
39
GPIO25
SDIO1_DATA0
H
-
UART1_RI
40
GPIO26
SDIO1_DATA1
H
-
WAKEUP_IN
49
GPIO27
SDIO1_DATA2
H
-
AP_READY
50
GPIO28
SDIO1_DATA3
H
-
I2C_SDA
56
GPIO15
SDIO1_DET
L
-
NET_MODE
52
GPIO31
USIM2_RESET
L
If the USIM2 interface is not
used, pins #52 to #54 are
available. Otherwise, leave the
pins open.
If a status indication signal is
required, it should be
multiplexed by a dedicated pin
that is not used; for more
information, contact Neoway.
SLEEP_IND
53
GPIO30
USIM2_DATA
L
NET_LIGHT
54
GPIO29
USIM2_CLK
L
PCM_SYNC
58
GPIO_1
SPI_FLASH1_CS
L
-
PCM_DIN
59
GPIO_2
SPI_FLASH1_SIO_0
L
-
PCM_DOUT
60
GPIO_3
SPI_FLASH1_SIO_1
L
-
PCM_CLK
61
GPIO_0
SPI_FLASH1_CLK
L
-
GPIO_4
69
GPIO_4
SPI_FLASH1_SIO_2
L
-
GPIO_5
70
GPIO_5
SPI_FLASH1_SIO_3
L
-