Overview
The SC28L92A1B,557 is a 3.3 V/5.0 V Dual Universal Asynchronous Receiver/Transmitter (DUART) produced by NXP USA Inc. This component is part of the IMPACT family and is designed to operate at both 3.3 V and 5 V supply voltages, making it versatile for various applications. It is a pin and function replacement for the SCC2692 and SC26C92, with added features such as deeper FIFOs and enhanced baud rate capabilities. The device supports both 68xxx and 80xxx bus interfaces and is configured to emulate the SC26C92 on power-up.
Key Specifications
| Parameter | Description |
|---|---|
| Part Number | SC28L92A1B,557 |
| Manufacturer | NXP USA Inc. |
| Package | 44-QFP (10x10 mm) |
| Number of Channels | 2, DUART |
| Supply Voltage | 3.3 V, 5 V |
| Data Rate (Max) | 1 Mbps |
| FIFO Depth | 16 bytes for each receiver and transmitter |
| Bus Interface | 68xxx or 80xxx |
| Operating Temperature | -40 °C to +85 °C |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Dual full-duplex independent asynchronous receiver/transmitters
- 16 character FIFOs for each receiver and transmitter
- Pin programming selects 68xxx or 80xxx bus interface
- Programmable data format: 5 to 8 data bits plus parity (odd, even, no parity, or force parity)
- Multi-function 8-bit output port with individual bit set/reset capability
- Versatile interrupt system with single interrupt output and eight maskable interrupting conditions
- Watchdog timer for each receiver
- On-chip crystal oscillator and power-down mode
- Automatic wake-up mode for multi-drop applications
- Configurable GPIO, internal oscillator, and timer/counter
Applications
The SC28L92A1B,557 is suitable for a wide range of applications that require reliable and high-speed serial communication. These include:
- Industrial control systems
- Telecommunications equipment
- Embedded systems requiring serial communication
- Multi-drop bus systems
- Automotive and aerospace applications where robust serial communication is necessary
Q & A
- What is the SC28L92A1B,557 used for?
The SC28L92A1B,557 is a dual universal asynchronous receiver/transmitter (DUART) used for serial communication in various electronic systems.
- What are the supply voltage options for the SC28L92A1B,557?
The device operates at both 3.3 V and 5 V supply voltages.
- What is the maximum data transfer rate of the SC28L92A1B,557?
The maximum data transfer rate is 1 Mbps.
- Does the SC28L92A1B,557 support both 68xxx and 80xxx bus interfaces?
- What is the FIFO depth for each receiver and transmitter?
The FIFO depth is 16 bytes for each receiver and transmitter.
- Is the SC28L92A1B,557 lead-free and RoHS compliant?
- What are some key features of the SC28L92A1B,557?
- What is the operating temperature range of the SC28L92A1B,557?
- Does the SC28L92A1B,557 have a watchdog timer?
- What is the moisture sensitivity level (MSL) of the SC28L92A1B,557?
