LM3S2965-IQC20-A0T Luminary Micro, Inc., LM3S2965-IQC20-A0T Datasheet - Page 292
LM3S2965-IQC20-A0T
Manufacturer Part Number
LM3S2965-IQC20-A0T
Description
Microcontroller
Manufacturer
Luminary Micro, Inc.
Datasheet
1.LM3S2965-IQC20-A0T.pdf
(542 pages)
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Universal Asynchronous Receivers/Transmitters (UARTs)
13.1
13.2
13.2.1
292
Block Diagram
Figure 13-1. UART Module Block Diagram
Functional Description
Each Stellaris
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 310). 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.
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
System Clock
Interrupt
UART PeriphID4
UARTPeriphID0
UARTPeriphID1
UARTPeriphID2
UARTPeriphID3
UARTPeriphID5
UARTPeriphID6
UARTPeriphID7
UARTPCellID0
UARTPCellID1
UARTPCellID2
UARTPCellID3
Identification
Registers
®
UART performs the functions of parallel-to-serial and serial-to-parallel conversions.
Interrupt Control
Control / Status
UARTRSR/ECR
UARTLCRH
UARTIFLS
UARTILPR
UARTMIS
UARTICR
UARTDR
UARTCTL
UARTRIS
UARTFR
UARTIM
Preliminary
UARTFBRD
UARTIBRD
Baud Rate
Generator
TXFIFO
RXFIFO
16x8
16x8
.
.
.
.
.
.
Transmitter
Receiver
June 04, 2007
UnRx
UnTx
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