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NUC140-RB3E Datasheet(Fiches technique) 78 Page - Nuvoton Technology Corporation

Numéro de pièce NUC140-RB3E
Description  ARM® Cortex®-M 32-bit Microcontroller
Télécharger  107 Pages
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Fabricant  NUVOTON [Nuvoton Technology Corporation]
Site Internet  http://www.nuvoton.com
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 78 page
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NUC100/120xxxDN
Aug 31, 2015
Page 78 of 107
Rev 1.01
SIR Protocol encoder/decoder. The IrDA SIR Protocol encoder/decoder is half-duplex only. So it
cannot transmit and receive data at the same time. The IrDA SIR physical layer specifies a
minimum 10ms transfer delay between transmission and reception, and this delay feature must
be implemented by software.
The alternate function of UART controllers is LIN (Local Interconnect Network) function. The LIN
mode is selected by setting the
UA_FUN_SEL[1:0] to ’01’. In LIN mode, 1 start bit and 8 data bits
format with 1 stop bit are required in accordance with the LIN standard.
For NuMicro
®
NUC100 series, another alternate function of UART controllers is RS-485 9-bit
mode, and direction control provided by /RTS pin or can program GPIO (PB.2 for UART0_nRTS
and PB.6 for UART1_nRTS) to implement the function by software. The RS-485 mode is selected
by setting the UA_FUN_SEL register to select RS-485 function. The RS-485 transceiver control is
implemented using the /RTS control signal from an asynchronous serial port to enable the RS-
485 transceiver. In RS-485 mode, many characteristics of the receiving and transmitting are same
as UART.
6.14.2
Features
Full duplex, asynchronous communications
Separates receive / transmit 64/16/16 bytes (UART0/UART1/UART2) entry FIFO for data
payloads
Supports hardware auto flow control/flow control function (CTS, RTS) and programmable
RTS flow control trigger level (UART0 and UART1 support)
Programmable receiver buffer trigger level
Supports programmable baud-rate generator for each channel individually
Supports CTS wake-up function (UART0 and UART1 support)
Supports 7-bit receiver buffer time-out detection function
UART0/UART1 can through DMA channels to receive/transmit data
Programmable transmitting data delay time between the last stop and the next start bit by
setting UA_TOR [DLY] register
Supports break error, frame error, parity error and receive / transmit buffer overflow detect
function
Fully programmable serial-interface characteristics
Programmable data bit length, 5-, 6-, 7-, 8-bit character
Programmable parity bit, even, odd, no parity or stick parity bit generation and
detection
Programmable stop bit length, 1, 1.5, or 2 stop bit generation
IrDA SIR function mode
Supports 3-/16-bit duration for normal mode
LIN function mode
Supports LIN master/slave mode
Supports programmable break generation function for transmitter
Supports break detect function for receiver
RS-485 function mode.




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