Neoway N75 - Page 71

N75
Hardware User Guide
Copyright © Neoway Technology Co., Ltd
61
68
GPIO_76
GPIO_76
I2S_2_D0
BT_PCM_DIN
Y
69
BT_UART_TXD
GPIO_0
UART3_TXD
SPI_MOSI_BLSP3
70
BT_UART_RXD
GPIO_1
UART3_RXD
SPI_MISO_BLSP3
Y
71
BT_UART_CTS
GPIO_2
UART3_CTS
SPI_CS_N_BLSP3
72
BT_UART_RTS
GPIO_3
UART3_RTS
SPI_CLK_BLSP3
Y
78
BT_PWR_EN
GPIO_25
7
Y
79
DTR
GPIO_75
Y
80
OTG_5V_EN
GPIO_24
7
81
I2C_4_SDA
GPIO_18
UART4_CTS
SPI_CS_N_BLSP4
82
I2C_4_SCL
GPIO_19
UART4_RTS
SPI_CLK_BLSP4
83
NET_LIGHT
GPIO_74
Y
84
SPI_CLK_BLSP2
GPIO_7
UART2_RTS
I2C_SCL_BLSP2
85
SPI_MISO_BLSP2
GPIO_5
UART2_RXD
Y
86
SPI_MOSI_BLSP2
GPIO_4
UART2_TXD
87
SPI_CS_N_BLSP2
GPIO_6
UART2_CTS
I2C_SDA_BLSP2
90
GNSS_LNA_EN
GPIO_54
7
96
SDC_DET
GPIO_26
Y
46 pins of N75 allow multiplexing and all of them can be used as GPIO. Please use their default functions if you do not have any special requirements
in your application.