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NXP Semiconductors Electronic Components Datasheet

SC16IS741A Datasheet

Single UART

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SC16IS741A
Single UART with I2C-bus/SPI interface, 64 bytes of transmit
and receive FIFOs, IrDA SIR built-in support
Rev. 1 — 18 March 2013
Product data sheet
1. General description
The SC16IS741A1 is a slave I2C-bus/SPI interface to a single-channel high performance
UART. It offers data rates up to 5 Mbit/s and guarantees low operating and sleeping
current. The device comes in the TSSOP16 package, which makes it ideally suitable for
handheld, battery operated applications. This device enables seamless protocol
conversion from I2C-bus or SPI to and RS-232/RS-485 and are fully bidirectional.
The SC16IS741A’s internal register set is backward-compatible with the widely used and
widely popular 16C450. This allows the software to be easily written or ported from
another platform.
The SC16IS741A also provides additional advanced features such as auto hardware and
software flow control, automatic RS-485 support, and software reset. This allows the
software to reset the UART at any moment, independent of the hardware reset signal.
2. Features and benefits
2.1 General features
Single full-duplex UART
Selectable I2C-bus or SPI interface
3.3 V or 2.5 V operation
Industrial temperature range: 40 C to +95 C
64 bytes FIFO (transmitter and receiver)
Fully compatible with industrial standard 16C450 and equivalent
Baud rates up to 5 Mbit/s in 16clock mode
Auto hardware flow control using RTS/CTS
Auto software flow control with programmable Xon/Xoff characters
Single or double Xon/Xoff characters
Automatic RS-485 support (automatic slave address detection)
RS-485 driver direction control via RTS signal
RS-485 driver direction control inversion
Built-in IrDA encoder and decoder interface
Software reset
Transmitter and receiver can be enabled/disabled independent of each other
Receive and Transmit FIFO levels
Programmable special character detection
1. See Section 10.3.1 for the description of the differences between SC16IS741 and SC16IS741A.


NXP Semiconductors Electronic Components Datasheet

SC16IS741A Datasheet

Single UART

No Preview Available !

NXP Semiconductors
SC16IS741A
Single UART with I2C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
Fully programmable character formatting
5-bit, 6-bit, 7-bit or 8-bit character
Even, odd, or no parity
1, 112, or 2 stop bits
Line break generation and detection
Internal Loopback mode
Sleep current less than 30 A at 3.3 V
Industrial and commercial temperature ranges
Available in the TSSOP16 package
2.2 I2C-bus features
Noise filter on SCL/SDA inputs
400 kbit/s maximum speed
Compliant with I2C-bus fast speed
Slave mode only
2.3 SPI features
Slave mode only
SPI Mode 0
3. Applications
Factory automation and process control
Portable and battery operated devices
Cellular data devices
4. Ordering information
Table 1. Ordering information
Type number
Topside
marking
Package
Name
SC16IS741AIPW IS741A
TSSOP16
Description
plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
Version
SOT403-1
4.1 Ordering options
Table 2. Ordering options
Type number
Orderable
part number
Package
Packing method
SC16IS741AIPW SC16IS741AIPWJ TSSOP16 Reel 13” Q1/T1
*standard mark SMD
Minimum
order
quantity
2500
Temperature
VDD = 2.5 V 0.2 V,
Tamb = 40 C to +85 C
VDD = 3.3 V 0.3 V,
Tamb = 40 C to +95 C
SC16IS741A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 18 March 2013
© NXP B.V. 2013. All rights reserved.
2 of 55


Part Number SC16IS741A
Description Single UART
Maker NXP
Total Page 3 Pages
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