Overview
The SC28L92A1A,529 is a 3.3 V/5.0 V Dual Universal Asynchronous Receiver/Transmitter (DUART) produced by NXP USA Inc. This component is designed as a pin and function replacement for the SCC2692 and SC26C92, offering enhanced features and deeper FIFOs. It operates within a temperature range of −40 °C to +85 °C and supports both 68xxx and 80xxx bus interfaces. The device is versatile and provides a reliable interface between serial communication devices and a microcontroller.
Key Specifications
| Parameter | Description |
|---|---|
| Voltage Supply | 3.3 V ± 10% or 5.0 V ± 10% |
| Temperature Range | −40 °C to +85 °C |
| Package Type | PLCC44 (plastic leaded chip carrier; 44 leads) |
| FIFO Depth | 16 characters for each receiver and transmitter |
| Data Format | 5 to 8 data bits plus parity; odd, even, no parity, or force parity |
| Baud Rate | Up to 1 Mbit/s (1× and 16× modes) |
| Bus Interface | Pin programming selects 68xxx or 80xxx bus interface |
| Interrupt System | Single interrupt output with eight maskable interrupting conditions |
| Watchdog Timer | Watchdog timer for each receiver |
| Power Mode | Power-down mode and receiver time-out mode |
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
- Multi-function 8-bit output port with individual bit set/reset capability
- Versatile interrupt system with single interrupt output and up to six separate interrupt outputs
- Watchdog timer for each receiver
- On-chip crystal oscillator
- Automatic wake-up mode for multi-drop applications
- Start-end break interrupt/status detection
Applications
The SC28L92A1A,529 is suitable for various applications requiring reliable serial communication interfaces, including:
- Industrial automation systems
- Embedded systems requiring serial communication
- Multi-drop communication networks
- Devices needing dual independent UARTs
- Systems requiring robust and configurable serial interfaces
Q & A
- What is the voltage supply range for the SC28L92A1A,529?
The voltage supply range is 3.3 V ± 10% or 5.0 V ± 10%.
- What are the supported bus interfaces for this component?
The component supports both 68xxx and 80xxx bus interfaces through pin programming.
- What is the depth of the FIFOs in the SC28L92A1A,529?
The FIFO depth is 16 characters for each receiver and transmitter.
- Does the SC28L92A1A,529 have a watchdog timer?
Yes, it has a watchdog timer for each receiver.
- What are the maximum data transfer rates for this component?
The maximum data transfer rates are up to 1 Mbit/s (1× and 16× modes).
- Can the SC28L92A1A,529 operate in power-down mode?
Yes, it has a power-down mode and receiver time-out mode.
- Is the SC28L92A1A,529 RoHS compliant?
Yes, it is RoHS compliant and PbFree.
- What is the package type for the SC28L92A1A,529?
The package type is PLCC44 (plastic leaded chip carrier; 44 leads).
- Does the SC28L92A1A,529 support automatic wake-up mode?
Yes, it supports automatic wake-up mode for multi-drop applications.
- Can the interrupt system be configured for multiple outputs?
Yes, the output port can be configured to provide up to six separate interrupt outputs).
