参数资料
型号: R5F212BASDFA
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48
封装: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-48
文件页数: 30/138页
文件大小: 492K
代理商: R5F212BASDFA
212
4317K–AVR–03/2013
AT90PWM2/3/2B/3B
19. EUSART (Extended USART)
The Extended Universal Synchronous and Asynchronous serial Receiver and Transmitter
(EUSART) provides functionnal extensions to the USART.
19.1
Features
Independant bit number configuration for transmit and receive
Supports Serial Frames with 5, 6, 7, 8, 9 or 13, 14, 15, 16, 17 Data Bits and 1 or 2 Stop Bits
Biphase Manchester encoder/decoder (for DALI Communications)
Manchester framing error detection
Bit ordering (MSB first or LSB first)
19.2
Overview
A simplified block diagram of the EUSART Transmitter is shown in Figure 19-1. CPU accessible
I/O Registers and I/O pins are shown in bold.
Figure 19-1. EUSART Block Diagram
The EUSART is activated with the EUSART bit of EUCSRB register. Until this bit is not set, the
USART will behave as standard USART, all the functionnalities of the EUSART are not
accessible.
PARITY
GENERATOR
UBRR[H:L]
UDR
(Transmit)
EUDR
(Transmit)
UDR
(Receive)
EUDR
(Receive)
UCSRA
UCSRB
UCSRC
EUCSRA
EUCSRB
EUCSRC
BAUD RATE GENERATOR
TRANSMIT SHIFT REGISTER
RECEIVE SHIFT REGISTER
RxD
TxD
PIN
CONTROL
PIN
CONTROL
XCK
DATA
RECOVERY
CLOCK
RECOVERY
PIN
CONTROL
TX
CONTROL
RX
CONTROL
PARITY
CHECKER
MANCHESTER
ENCODER
DATA
BUS
CLKio
SYNC LOGIC
Clock Generator
Transmitter
Receiver
MANCHESTER
DECODER
相关PDF资料
PDF描述
R5F212BASDFP 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48
R5F212BASNFA 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48
R5F212ACSDFP 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48
R5F212BCSNFP 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48
R5F212BASNFP 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48
相关代理商/技术参数
参数描述
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