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LM3S8530-IQR80-C1

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型号: LM3S8530-IQR80-C1
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  • LM3S8530-IQR80-C1 PDF文件
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功能描述: Stellaris® LM3S8530 Microcontroller
PDF文件大小: 4249.13 Kbytes
PDF页数: 共526页
制造商: TI[Texas Instruments]
制造商LOGO: TI[Texas Instruments] LOGO
制造商网址: http://www.ti.com
捡单宝LM3S8530-IQR80-C1
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120%
11.1 Block Diagram
Figure 11-1. UART Module Block Diagram
TxFIFO
16 x 8
.
.
.
RxFIFO
16 x 8
.
.
.
Identification
Registers
UARTPCellID0
UARTPCellID1
UARTPCellID2
UARTPCellID3
UARTPeriphID0
UARTPeriphID1
UARTPeriphID2
UARTPeriphID3
UARTPeriphID4
UARTPeriphID5
UARTPeriphID6
UARTPeriphID7
Interrupt Control
UARTDR
Control/Status
Transmitter
(with SIR
Transmit
Encoder)
Baud Rate
Generator
Receiver
(with SIR
Receive
Decoder)
UnTx
UnRx
System Clock
Interrupt
UARTIFLS
UARTIM
UARTMIS
UARTRIS
UARTICR
UARTIBRD
UARTFBRD
UARTRSR/ECR
UARTFR
UARTLCRH
UARTCTL
UARTILPR
11.2 Functional Description
Each Stellaris
®
UART performs the functions of parallel-to-serial and serial-to-parallel conversions.
It is similar in functionality to a 16C550 UART, but is not register compatible.
The UART is configured for transmit and/or receive via the TXE and RXE bits of the UART Control
(UARTCTL) register (see page 269). Transmit and receive are both enabled out of reset. Before any
control registers are programmed, the UART must be disabled by clearing the UARTEN bit in
UARTCTL. If the UART is disabled during a TX or RX operation, the current transaction is completed
prior to the UART stopping.
The UART peripheral also includes a serial IR (SIR) encoder/decoder block that can be connected
to an infrared transceiver to implement an IrDA SIR physical layer. The SIR function is programmed
using the UARTCTL register.
11.2.1 Transmit/Receive Logic
The transmit logic performs parallel-to-serial conversion on the data read from the transmit FIFO.
The control logic outputs the serial bit stream beginning with a start bit, and followed by the data
251June 22, 2010
Texas Instruments-Production Data
Stellaris® LM3S8530 Microcontroller
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