Design Files
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- No Longer Manufactured
- SC16C850
2.5 V to 3.3 V UART, 16 mode or 68 mode parallel bus interface
- This page contains information on a product that is no longer manufactured (discontinued). Specifications and information herein are available for historical reference only.
The SC16C850 is a 2.5 V to 3.3 V, low power, single 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 Mbit/s. The SC16C850 is functionally (software) compatible with the SC16C650B. SC16C850 can be programmed to operate in extended mode where additional advanced UART features are available. The SC16C850 UART provides enhanced UART functions with 128-byte FIFOs, modem control interface, and IrDA encoder/decoder. 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 specific user requirements. An internal loopback capability allows on-board diagnostics.
The SC16C850IBS with Intel (16 mode) or Motorola (68 mode) bus host interface operates at 2.5 V to 3.3 V and is available in a very small (Micro-UART) HVQFN32 package.
The SC16C850IET with Intel (16 mode) bus host interface operates at 2.5 V to 3.3 V and is available in a very small TFBGA36 package.
Product Details
Features
- Single channel high performance UART
- Intel or Motorola bus interface selectable using 16/68 pin
- 2.5 V to 3.3 V operation
- Up to 5 Mbit/s data rate
- 128-byte transmit FIFO to reduce the bandwidth requirement of the external CPU
- 128-byte receive FIFO with error flags to reduce the bandwidth requirement of the external CPU
- 128 programmable Receive and Transmit FIFO interrupt trigger levels
- 128 Receive and Transmit FIFO reporting levels (level counters)
- Automatic software (Xon/Xoff) and hardware (RTS/CTS or DTR/DSR) flow control
- Industrial temperature range (–40 ℃ to +85 ℃)
- 128 hardware and software trigger levels
- Automatic 9-bit mode (RS-485) address detection
- Automatic RS-485 driver turn-around with programmable delay
- UART software reset
- High resolution clock prescaler, from 0 to 15 with granularity of 1/16 to allow non-standard UART clock to be used
- Programmable Xon/Xoff characters
- Software selectable baud rate generator
- Support IrDA version 1.0 (up to 115.2 kbit/s)
- Standard modem interface or infrared IrDA encoder/decoder interface
- Enhanced Sleep mode and low power feature
- Modem control functions (CTS, RTS, DSR, DTR, RI, CD)
- Independent transmitter and receiver enable/disable
- Pb-free, RoHS compliant package offered
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