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SC16C2550IN40 Datasheet

  • SC16C2550IN40

  • Dual UART with 16 bytes of transmit and receive FIFOs and in...

  • 46頁

  • PHILIPS

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SC16C2550
Dual UART with 16 bytes of transmit and receive FIFOs
and infrared (IrDA) encoder/decoder
Rev. 03 鈥?19 June 2003
Product data
1. Description
The SC16C2550 is a 2 channel Universal Asynchronous Receiver and Transmitter
(UART) used for serial data communications. Its principal function is to convert
parallel data into serial data and vice versa. The UART can handle serial data rates
up to 5 Mbits/s.
The SC16C2550 is pin compatible with the ST16C2550. It will power-up to be
functionally equivalent to the 16C2450. The SC16C2550 provides enhanced UART
functions with 16-byte FIFOs, modem control interface, DMA mode data transfer. The
DMA mode data transfer is controlled by the FIFO trigger levels and the TXRDY and
RXRDY signals. On-board status registers provide the user with error indications and
operational status. System interrupts and modem control features may be tailored by
software to meet speci鏗乧 user requirements. An internal loop-back capability allows
on-board diagnostics. Independent programmable baud rate generators are provided
to select transmit and receive baud rates.
The SC16C2550 operates at 5 V, 3.3 V and 2.5 V and the Industrial temperature
range, and is available in plastic PLCC44, LQFP48 and DIP40 packages.
2. Features
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2 channel UART
5 V, 3.3 V and 2.5 V operation
Industrial temperature range
Pin and functionally compatible to 16C2450 and software compatible with
INS8250, SC16C550
Up to 5 Mbits/s data rate at 5 V and 3.3 V, and 3 Mbits/s at 2.5 V
16 byte transmit FIFO to reduce the bandwidth requirement of the external CPU
16 byte receive FIFO with error 鏗俛gs to reduce the bandwidth requirement of the
external CPU
Independent transmit and receive UART control
Four selectable Receive FIFO interrupt trigger levels
Automatic software/hardware 鏗俹w control
Programmable Xon/Xoff characters
Software selectable Baud Rate Generator
Sleep mode
Standard asynchronous error and framing bits (Start, Stop, and Parity Overrun
Break)
Transmit, Receive, Line Status, and Data Set interrupts independently controlled

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