XR16L2752CJ-F

Product Overview
The MaxLinear XR16L2752CJ-F is a high-performance dual universal asynchronous receiver/transmitter (UART) integrated circuit designed to meet the demands of modern serial communication systems. It is widely used in embedded systems, industrial automation, and communication devices that require efficient and flexible UART communication interfaces. The XR16L2752CJ-F offers dual UART channels with enhanced features such as FIFO buffers, programmable baud rates, and low-power modes, providing a robust solution for managing serial data in diverse applications.

MaxLinear’s XR16L2752CJ-F integrates advanced UART functionality with a compact package, enabling designers to implement multiple serial communication links with minimal external components. This device supports a wide range of baud rates and operational modes, making it suitable for both legacy and contemporary serial communication protocols.

Key Features

* Dual UART Channels:
The XR16L2752CJ-F features two independent UART channels, allowing simultaneous handling of two serial data streams. Each channel includes separate transmit and receive data registers.

* FIFO Buffers:
Each UART channel is equipped with a 64-byte transmit FIFO and a 64-byte receive FIFO, which reduces CPU overhead by buffering incoming and outgoing data, enabling efficient data transfer and minimizing interrupt load.

* High-Speed Communication:
The device supports baud rates from 300 bps up to 3.68 Mbps, allowing high-speed serial communication suited for demanding data transfer requirements.

* Programmable Baud Rate Generator:
The integrated baud rate generator is programmable, supporting a wide range of standard and custom baud rates, providing flexibility to match various communication standards.

* Flexible Data Format:
Supports data lengths from 5 to 8 bits, with programmable parity (even, odd, none, mark, space) and selectable stop bits (1, 1.5, or 2), accommodating diverse communication protocols.

* Hardware Flow Control:
RTS/CTS hardware flow control lines are supported on both UART channels, facilitating reliable data flow management in full-duplex serial communication setups.

* Low Power Operation:
The XR16L2752CJ-F incorporates low-power modes, including a sleep mode, reducing power consumption during idle periods which is critical for battery-powered and embedded applications.

* Programmable Interrupts:
Offers multiple interrupt sources per channel including data received, transmitter holding register empty, line status change, and modem status, enabling responsive and flexible interrupt-driven communication.

Electrical Characteristics

* Supply Voltage (VCC):
The device operates at a voltage range from 3.0 V to 3.6 V, typically 3.3 V, compatible with modern low-voltage digital systems.

* Operating Temperature Range:
Functional over industrial temperature ranges from -40°C to +85°C, suitable for harsh environments and industrial applications.

* Power Consumption:
Typical operating current is low, enhancing suitability for embedded systems requiring energy efficiency. Sleep mode further reduces power draw.

* Input/Output Levels:
Compatible with standard TTL/CMOS logic levels, facilitating easy integration with microcontrollers and processors.

Package and Physical Details

* Package Type:
Available in a compact 48-pin QFN (Quad Flat No-lead) package, offering a small PCB footprint and good thermal performance.

* Package Dimensions:
Typical QFN package dimensions are approximately 7 mm x 7 mm with a height around 0.9 mm, supporting high-density board designs.

* Thermal Characteristics:
The package provides efficient heat dissipation, with a thermal resistance junction-to-ambient (RθJA) in the range of 30-40 °C/W, depending on PCB layout.

Functional Block Description

* UART Core:
Each UART channel includes a full-featured asynchronous transmitter and receiver with programmable baud rate generators, control registers, and status registers for flexible data communication.

* Interrupt Controller:
Internally manages prioritization and generation of interrupts for various UART events, allowing efficient interrupt-driven software design.

* Line Status and Error Detection:
Detects and reports framing errors, parity errors, overrun errors, and break conditions to ensure data integrity and robust communication.

* Modem Control and Status:
Supports standard modem control signals and status lines, enhancing compatibility with modems and other communication peripherals.

Applications

* Embedded Systems:
Ideal for microcontroller-based systems requiring multiple serial ports with high-speed data transfer and low CPU intervention.

* Industrial Automation:
Used in industrial controllers and monitoring devices to provide reliable serial communication interfaces with flexible protocol support.

* Telecommunications Equipment:
Suitable for communication infrastructure devices requiring UART interfaces to manage data exchange and control signals.

* Point of Sale (POS) Terminals:
Provides dependable serial communication interfaces for peripherals such as barcode scanners, receipt printers, and payment modules.

* Medical Equipment:
Integrated into medical devices requiring robust, low-latency serial communication with error detection capabilities.

Summary of Key Specifications

* Number of UART Channels: 2
* FIFO Size (Tx/Rx per Channel): 64 bytes / 64 bytes
* Maximum Baud Rate: 3.68 Mbps
* Data Bits Supported: 5 to 8 bits
* Parity Modes: Even, Odd, None, Mark, Space
* Stop Bits: 1, 1.5, 2
* Hardware Flow Control: RTS/CTS per channel
* Supply Voltage: 3.0 V to 3.6 V (typical 3.3 V)
* Operating Temperature Range: -40°C to +85°C
* Package: 48-pin QFN, ~7 mm x 7 mm x 0.9 mm
* Power Modes: Active, Sleep (low power)
* Interrupts: Programmable, multiple sources per channel

The MaxLinear XR16L2752CJ-F dual UART device delivers high-speed, flexible, and reliable serial communication interfaces with enhanced buffering and flow control. Its industrial temperature rating, low power modes, and compact package make it a versatile component for embedded, industrial, and telecommunications applications where efficient and robust UART communication is essential.