SC28L92A1B - Brand New PHI UARTs (Universal Asynchronous Receiver Transmitter)
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Description
The SC28L92A1B is a UART (Universal Asynchronous Receiver Transmitter) electronic component, which is a pin and function replacement for the SCC2692 and SC26C92. It operates at 3.3 or 5 volts supply with added features and deeper FIFOs. Its configuration on power-up is that of the SC26C92. Its differences from the 2692 include a 16 character receiver, 16 character transmit FIFOs, watch dog timer for each receiver, mode register 0 is added, extended baud rate, overall faster speeds, and programmable receiver and transmitter interrupts. (Neither the SC26C92 nor the SCC2692 is being discontinued.)
Specifications and features
- Member of IMPACT family: 3.3 to 5.0 volt, -40°C to +85°C and 68K for 80xxx bus interface for all devices.
- Dual full-duplex independent asynchronous receiver/transmitters.
- 16 character FIFOs for each receiver and transmitter.
- Pin programming selects 68K or 80xxx bus interface.
- Programmable data format:
- 5 to 8 data bits plus parity.
- Odd, even, no parity or force parity.
- -1, 1.5, or 2 stop bits programmable in 1/16-bit increments.
- 16-bit programmable Counter/Timer.
- Programmable baud rate for each receiver and transmitter selectable from:
- 28 fixed rates: 50 to 230.4k baud.
- Other baud rates to MHz at 16X.
- Programmable user-defined rates derived from a programmable counter/timer.
- External 1X or 16X clock.
- Parity, framing, and overrun error detection.
- False start bit detection.
- Line break detection and generation.
- Programmable channel mode:
- Normal (full-duplex).
- Automatic echo.
- Local loop back.
- Remote loop back.
- Multi-drop mode (also called ‘wake-up’ or ‘9-bit’).
- Multi-function 7-bit input port (includes IACKN):
- Can serve as clock or control inputs.
- Change of state detection on four inputs.
- Inputs have typically >100k pull-up resistors.
- Change of state detectors for modem control.
- Multi-function 8-bit output port:
- Individual bit set/reset capability.
- Outputs can be programmed to be status/interrupt signals.
- FIFO status for DMA interface.
- Versatile interrupt system:
- Single interrupt output with eight maskable interrupting conditions.
- Output port can be configured to provide a total of up to six separate interrupt outputs that may be wire ORed.
- Each FIFO can be programmed for four different interrupt levels.
- Watch dog timer for each receiver.
- Maximum data transfer rates: 1X – 1Mb/sec, 16X – 1Mb/sec.
- Automatic wake-up mode for multi-drop applications.
- Start-end break interrupt/status.
- Detects break which originates in the middle of a character.
- On-chip crystal oscillator.
- Power down mode.
- Receiver time-out mode.
- Single +3.3V or +5V power supply.
- Powers up to emulate SC26C92.
Application Scenarios
The SC28L92A1B is ideal for use in various electronic devices requiring a UART component, such as computers, consumer electronics devices, communications devices, and more.
Comparison
Advantages- Pin and function replacement for popular models.
- Operates at 3.3 or 5 volts supply.
- Added features and deeper FIFOs, including watch dog timer for each receiver, mode register 0, extended baud rate, overall faster speeds, and programmable receiver and transmitter interrupts.
- Dual full-duplex independent asynchronous receiver/transmitters.
- Various programmable settings for data format, channel mode, and more.
- Multi-function input/output ports.
- Versatile interrupt system with watch dog timer for each receiver.
- Maximum data transfer rates up to 1 Mb/sec.
- Automatic wake-up mode for multi-drop applications.
- On-chip crystal oscillator.
- Single +3.3V or +5V power supply.
Disadvantages- None found.
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Datasheet
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Popular parts of the same kind
- Datasheet: Download SC28L92A1B
- Chipdatas Part: CD89-SC28L92A1B
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/09/28 19:25 +0800
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- Full or Partial Refund , If the item is not as described
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