Overview
The SC28L92A1BS,557 is a 3.3 V/5.0 V Dual Universal Asynchronous Receiver/Transmitter (DUART) produced by NXP USA Inc. This component is a pin and function replacement for the SCC2692 and SC26C92, offering enhanced features and deeper FIFOs. It operates at either 3.3 V or 5 V supply voltages and supports both 68xxx and 80xxx bus interfaces. The device is part of the IMPACT family and is designed for a wide range of applications requiring robust serial communication capabilities.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | SC28L92A1BS,557 |
| Package | 48-HVQFN (6x6) |
| Voltage - Supply | 3.3 V, 5 V |
| Number of Channels | 2 (DUART) |
| FIFO Size | 16 bytes (each receiver and transmitter) |
| Data Rate (Max) | 1 Mbps |
| Bus Interface | 68xxx or 80xxx |
| Operating Temperature | -40 °C to +85 °C |
| Mounting Type | Surface Mount |
Key Features
- Dual full-duplex independent asynchronous receiver/transmitters
- 16 character FIFOs for each receiver and transmitter
- Programmable data format: 5 to 8 data bits plus parity, odd, even, no parity, or force parity
- Pin programming selects 68xxx or 80xxx bus interface
- 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
- Start-end break interrupt/status and false start bit detection
Applications
- Industrial automation and control systems
- Embedded systems requiring serial communication
- Telecommunication equipment
- Medical devices with serial interfaces
- Automotive systems with serial communication needs
Q & A
- What is the SC28L92A1BS,557?
The SC28L92A1BS,557 is a 3.3 V/5.0 V Dual Universal Asynchronous Receiver/Transmitter (DUART) produced by NXP USA Inc.
- What are the supply voltage options for the SC28L92A1BS,557?
The device operates at either 3.3 V or 5 V supply voltages.
- What is the maximum data transfer rate of the SC28L92A1BS,557?
The maximum data transfer rate is 1 Mbps.
- Does the SC28L92A1BS,557 support multiple bus interfaces?
Yes, it supports both 68xxx and 80xxx bus interfaces.
- What is the size of the FIFOs in the SC28L92A1BS,557?
The device has 16-byte FIFOs for each receiver and transmitter.
- Does the SC28L92A1BS,557 have a watchdog timer?
Yes, it has a watchdog timer for each receiver.
- What are some of the key features of the SC28L92A1BS,557's interrupt system?
The device has a versatile interrupt system with a single interrupt output and eight maskable interrupting conditions.
- Is the SC28L92A1BS,557 suitable for surface mounting?
Yes, it is designed for surface mounting.
- What is the operating temperature range of the SC28L92A1BS,557?
The operating temperature range is -40 °C to +85 °C.
- Is the SC28L92A1BS,557 still in production?
No, the SC28L92A1BS,557 is listed as obsolete and no longer manufactured.
