Overview
The SC28L92A1A,518 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 at a supply voltage of either 3.3 V or 5 V and supports both 68xxx and 80xxx bus interfaces through pin programming. The device is part of the IMPACT family and is suitable for a wide range of applications requiring robust serial communication capabilities.
Key Specifications
| Parameter | Description |
|---|---|
| Supply Voltage | 3.3 V ± 10% or 5.0 V ± 10% |
| Operating Temperature | −40 °C to +85 °C |
| Package Type | PLCC44 (44-lead plastic leaded chip carrier) |
| FIFO Size | 16 characters for each receiver and transmitter |
| Data Rate | Up to 1 Mbit/s |
| Bus Interface | Supports 68xxx and 80xxx bus interfaces |
| Interrupt System | Single interrupt output with eight maskable interrupting conditions |
| Watchdog Timer | Watchdog timer for each receiver |
| Modem Control | Change of state detectors for modem control |
| GPIO | Multi-function 8-bit output port with individual bit set/reset capability |
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
- On-chip crystal oscillator and power-down mode
- Receiver time-out mode and automatic wake-up mode for multi-drop applications
- Start-end break interrupt/status and detection of break which originates in the middle of a character
- Versatile interrupt system with up to six separate interrupt outputs
- Multi-function 8-bit output port with individual bit set/reset capability
Applications
The SC28L92A1A,518 is suitable for various applications requiring robust and flexible serial communication, including:
- Industrial automation systems
- Embedded systems
- Telecommunication equipment
- Point-of-sale terminals
- Medical devices
- Automotive systems
Q & A
- What is the supply voltage range for the SC28L92A1A,518?
The supply voltage range is 3.3 V ± 10% or 5.0 V ± 10%.
- What types of bus interfaces does the SC28L92A1A,518 support?
The device supports both 68xxx and 80xxx bus interfaces through pin programming.
- What is the size of the FIFOs in the SC28L92A1A,518?
The device has 16 character FIFOs for each receiver and transmitter.
- What is the maximum data transfer rate of the SC28L92A1A,518?
The maximum data transfer rate is up to 1 Mbit/s.
- Does the SC28L92A1A,518 have a watchdog timer?
Yes, the device has a watchdog timer for each receiver.
- What types of modem control features are available on the SC28L92A1A,518?
The device includes change of state detectors for modem control.
- Can the SC28L92A1A,518 be configured for different interrupt levels?
Yes, each FIFO can be programmed for four different interrupt levels.
- Does the SC28L92A1A,518 support power-down mode?
Yes, the device has a power-down mode.
- What is the operating temperature range for the SC28L92A1A,518?
The operating temperature range is −40 °C to +85 °C.
- Is the SC28L92A1A,518 still in production?
No, the SC28L92A1A,518 is no longer manufactured).
