SC16C650BIB48 5 V, 3.3 V and 2.5 V UART with 32-byte FIFOs and infrared (IrDA) encoder/decoder

The SC16C650B is a 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 3 Mbit/s.

The SC16C650B is pin compatible with the ST16C650A and it will power-up to be functionally equivalent to the 16C450. Programming of control registers enables the added features of the SC16C650B. Some of these added features are the 32-byte receive and transmit FIFOs, automatic hardware or software flow control and infrared encoding/decoding. The selectable auto-flow control feature significantly reduces software overload and increases system efficiency while in FIFO mode by automatically controlling serial data flow using RTS output and CTS input signals. The SC16C650B also provides DMA mode data transfers through FIFO trigger levels and the RXRDY and TRXRDY signals. On-board status registers provide the user with error indications, operational status, and modem interface control. System interrupts may be tailored to meet user requirements. An internal loopback capability allows on-board diagnostics.

The SC16C650B operates at 5 V, 3.3 V and 2.5 V, and the industrial temperature range, and is available in plastic PLCC44, LQFP48, and HVQFN32 packages

产品特点 Features

Single channel
5 V, 3.3 V and 2.5 V operation
5 V tolerant on input only pins1
Industrial temperature range (-40 Cel to +85 Cel)
After reset, all registers are identical to the typical 16C450 register set
Capable of running with all existing generic 16C450 software
Pin compatibility with the industry-standard ST16C450/550, TL16C450/550, PC16C450/550. Software compatible with ST16C650.
Up to 3 Mbit/s transmit/receive operation at 5 V, 2 Mbit/s at 3.3 V, and 1 Mbit/s at 2.5 V
32 byte transmit FIFO
32 byte receive FIFO with error flags
Programmable auto-RTS and auto-CTS
- In auto-CTS mode, CTS controls transmitter
- In auto-RTS mode, RX FIFO contents and threshold control RTS
Automatic software/hardware flow control
Programmable Xon/Xoff characters
Software selectable baud rate generator
Supports IrDA version 1.0 (up to 115.2 kbit/s)
Four selectable Receive and Transmit FIFO interrupt trigger levels
Standard modem interface or infrared IrDA encoder/decoder interface
Sleep mode
Standard asynchronous error and framing bits (Start, Stop, and Parity Overrun Break)
Independent receiver clock input
Transmit, Receive, Line Status, and Data Set interrupts independently controlled
Fully programmable character formatting:
- 5, 6, 7, or 8-bit characters
- Even, odd, or no-parity formats
- 1, 11/2, or 2-stop bit
- Baud generation (DC to 3 Mbit/s)
False start-bit detection
Complete status reporting capabilities
3-state output TTL drive capabilities for bidirectional data bus and control bus
Line break generation and detection
Internal diagnostic capabilities:
- Loopback controls for communications link fault isolation
Prioritized interrupt system controls
Modem control functions (CTS, RTS, DSR, DTR, RI, DCD)

封装

型号	订购码 (12NC)	可订购的器件编号	产品状态	封装
SC16C650BIB48	9352 743 91128	SC16C650BIB48,128	量产	LQFP48 (SOT313-2)
SC16C650BIB48	9352 743 91157	SC16C650BIB48,157	量产	LQFP48 (SOT313-2)
SC16C650BIB48	9352 743 91151	SC16C650BIB48,151	量产	LQFP48 (SOT313-2)

订货和供应

型号	订购码 (12NC)	可订购的器件编号	化学成分
SC16C650BIB48	9352 743 91128	SC16C650BIB48,128	SC16C650BIB48
SC16C650BIB48	9352 743 91157	SC16C650BIB48,157	SC16C650BIB48
SC16C650BIB48	9352 743 91151	SC16C650BIB48,151	SC16C650BIB48

SC16C650BIB48 技术支持

档案名称	标题	类型	格式
SC16C650BIB48	5 V, 3.3 V and 2.5 V UART with 32-byte FIFOs and infrared (IrDA) encoder/decoder	Data sheet	pdf
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