Owners manual

Interfaces
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 465
S
Stop
3/16 Bit Time3/16 Bit Time
3/16 Bit Time3/16 Bit Time3/16 Bit Time3/16 Bit Time
Data Bits
Bit Time
Data Bits
Bit Time
SIN/SOUT
SIR_OUT
SIR_IN
Figure 8-5. Serial IrDA Data Format
8.3.3. UART Pin List
Port Name
Width
Direction
Description
UART0_TX
1
OUT
UART Serial Bit output
UART0_RX
1
IN
UART Serial Bit input
UART1_TX
1
OUT
UART Serial Bit output
UART1_RX
1
IN
UART Serial Bit input
UART1_RTS
1
OUT
UART Request To Send
This active low output signal informs Modem that the UART is ready to send
data
UART1_CTS
1
IN
UART Clear To End
This active low signal is an input showing when Modem is ready to accept
data
UART2_TX
1
OUT
UART Serial Bit output
UART2_RX
1
IN
UART Serial Bit input
UART2_RTS
1
OUT
UART Request To Send
This active low output signal informs Modem that the UART is ready to send
data
UART2_CTS
1
IN
UART Clear To End
This active low signal is an input showing when Modem is ready to accept
data
UART3_TX
1
OUT
UART Serial Bit output
UART3_RX
1
IN
UART Serial Bit input
UART3_RTS
1
OUT
UART Request To Send
This active low output signal informs Modem that the UART is ready to send
data
UART3_CTS
1
IN
UART Clear To End
This active low signal is an input showing when Modem is ready to accept
data
S_UART_TX
1
OUT
UART Serial Bit output
S_UART_RX
1
IN
UART Serial Bit input
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