Uart - Thundercomm TurboX C865 Dev Kit Hardware User's Manual

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4.1.1 UART

The 96Boards specification calls for a 4-wire UART implementation, UART0 and an optional second
2-wire UART, UART1 on the low-speed expansion connector.
C865 DEV KIT implements UART0 as a 4-wire UART that connects directly to the SM8250 SoC.
These signals are driven at 1.8 V.
`www.thundercomm.com.
C865 Dev Kit Signal
GND
PWR_BTN_N
RST_BTN_N
SPI0_SCLK
SPI0_MISO
SPI0_CS
SPI0_MOSI
PCM_FS/I2S0_WS
PCM_CLK/I2S0_CLK
PCM_DO/I2S0_D1
PCM_DI/I2S_D0
GPIO-B
GPIO-D/QUP_A3
GPIO-F
GPIO-H
GPIO-J
GPIO-L
DC12V
DC12V
GND
Additional Info
PHONE_ON
Default volume down;
QUP17
QUP17
QUP17
QUP17
PCM0_MCLK
QUP1
DISPLAY MIPI_ERR_ FG / QUP15
DISP_RST_N
CAM0_PWDN
CAM1_PWDN
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