Users Manual Part 2

SIM8260A_Hardware Design_V1.05
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3.16 GPIOs Interface
The follow pins of SIM8260A can be used as GPIO function, If the customer does not want to use the GPIO
default configuration, they can choose the Alternate option in the table below, but they need to contact our
company for confirmation.
Table 45: GPIO list
PIN Name
PIN
No.
GPIO
Default
function
Alternate
function 1
Alternate
function 2
inter
rupt
I2S_WS
T3
GPIO12
I2S_WS
PCM_SYNC

I2S_DIN
R1
GPIO13
I2S_DIN
PCM_DIN

I2S_DOUT
N1
GPIO14
I2S_DOUT
PCM_DOUT

I2S_CLK
P3
GPIO15
I2S_SCK
PCM_CLK

BT_I2S_WS
G1
GPIO16
BT_I2S_WS
SPI_MOSI
UART_TX

BT_I2S_DIN
M3
GPIO17
BT_I2S_DIN
SPI_MISO
UART_RX

BT_I2S_DOUT
K3
GPIO18
BT_I2S_DOUT
SPI_CS_N
UART_CTS

BT_I2S_CLK
J1
GPIO19
BT_I2S_SCK
SPI_CLK
UART_RTS

UART1_TXD
AB3
GPIO48
UART1_TX

UART1_RXD
AD3
GPIO49
UART1_RX

UART1_CTS
AA1
GPIO80
UART1_CTS
SPI_MOSI
UART1_RTS
AC1
GPIO81
UART1_RTS
SPI_MISO

BT_UART_TXD
T7
GPIO63
BT_UART_TX
BT_UART_RXD
V7
GPIO64
BT_UART_RX

BT_UART_CTS
R5
GPIO65
BT_UART_CTS
I2C_SDA

BT_UART_RTS
U5
GPIO66
BT_UART_RTS
I2C_SCL
SPI_MOSI
D14
GPIO4
SPI_MOSI
UART_TX
SPI_MISO
D16
GPIO5
SPI_MISO
UART_RX

SPI_CS_N
D18
GPIO6
SPI_CS
I2C_SDA
UART_CTS

SPI_CLK
D20
GPIO7
SPI_CLK
I2C_SCL
UART_RTS
GPIO107
U1
GPIO107
GPIO107
GPIO82
V3
GPIO82
GPIO82
I2C_SDA
SPI_CS_N
GPIO83
Y3
GPIO83
GPIO83
I2C_SCL
SPI_CLK

GPIO31
C29
GPIO31
GPIO31
TDD_SYNC_PPS
AW21
GPIO32
TDD_SYNC_PP
S

GPIO47
AE5
GPIO47
ETH_1_INTN_W
OL

W_DISABLE
AG1
GPIO86
W_DISABLE

GPIO88
AG5
GPIO88
ETH_0_INTN_W
OL
