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Part Name(s) : PC16553 PC16553V National-Semiconductor
National ->Texas Instruments
Description : DUAL UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOS PLUS HIGH PERFORMANCE PARALLEL INTERFACE View

DUAL UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOS PLUS HIGH PERFORMANCE PARALLEL INTERFACE

Part Name(s) : NS16C553V/A NS16C553V_A+ NS16C553V/A+ National-Semiconductor
National ->Texas Instruments
Description : DUAL UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOS PLUS HIGH PERFORMANCE PARALLEL INTERFACE View

DUAL UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOS PLUS HIGH PERFORMANCE PARALLEL INTERFACE

Part Name(s) : PC16552DV PC16552D National-Semiconductor
National ->Texas Instruments
Description : DUAL UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOS View

General Description
The PC16552D is a DUAL version of the PC16550D UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART). The two serial channels are completely independent except for a common CPU INTERFACE and crystal input. On power-up both channels are functionally identical to the 16450*. Each channel can operate WITH on-chip transmitter and receiver FIFOS (FIFO mode) to relieve the CPU of excessive software overhead. In FIFO mode each channel is capable of buffering 16 bytes (PLUS 3 bits of error data per byte in the RCVR FIFO) of data in both the transmitter and receiver. All the FIFO control logic is on-chip to minimize system overhead and maximize system efficiency.

Features
DUAL independent UARTs
■ Capable of running all existing 16450 and PC16550D software
■ After reset, all registers are identical to the 16450 reg ister set
■ Read and write cycle times of 84 ns
■ In the FIFO mode transmitter and receiver are each buffered WITH 16-byte FIFOS to reduce the number of interrupts presented to the CPU
■ Holding and shift registers in the 16450 Mode eliminate the need for precise synchronization between the CPU and serial data
■ Adds or deletes standard ASYNCHRONOUS communication bits (start, stop, and parity) to or from the serial data
■ Independently controlled transmit, receive, line status, and data set interrupts
■ Programmable baud generators divide any input clock by 1 to (216 b 1) and generate the 16 c clock
■ MODEM control functions (CTS, RTS, DSR, DTR, RI, and DCD)
■ Fully programmable serial-INTERFACE characteristics:
   — 5-, 6-, 7-, or 8-bit characters
   — Even, odd, or no-parity bit generation and detection
   — 1-, 1(/2-, or 2-stop bit generation
   — Baud generation (DC to 1.5M baud) WITH 16 c clock
■ False start bit detection
■ Complete status reporting capabilities
■ TRI-STATEÉ TTL drive for the data and control buses
■ Line break generation and detection
■ Internal diagnostic capabilities:
   — Loopback controls for communications link fault isolation
   — Break, parity, overrun, framing error simulation
■ Full prioritized interrupt system controls

Part Name(s) : PC16550DN PC16550DV PC16550DVEF PC16550DVX National-Semiconductor
National ->Texas Instruments
Description : UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOS View
Acquired by Texas Instruments on September 23rd, 2011. The PC16550D is an improved version of the original 16450 UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER

Part Name(s) : IGC10000 IM6653 IM6654 IM7332 IM7364 Intersil
Intersil
Description : UNIVERSAL ASYNCHRONOUS Receiver Transmitter View

UNIVERSAL ASYNCHRONOUS Receiver Transmitter

Part Name(s) : SCC68692 SCC68692C1A44 SCC68692C1F40 SCC68692C1N40 SCC68692E1A44 SCC68692E1F40 SCC68692E1N40 Philips
Philips Electronics
Description : DUAL ASYNCHRONOUS RECEIVER/TRANSMITTER (DUART) View

DESCRIPTION
The Philips Semiconductors SCC68692 DUAL UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (DUART) is compatible WITH SCN68681. It is a single-chip CMOS-LSI communications device that provides two full-duplex ASYNCHRONOUS RECEIVER/TRANSMITTER channels in a single package. It is compatible WITH other S68000 family devices and can also INTERFACE easily WITH other microprocessors. The DUART can be used in a polled or interrupt driven systems.

 

Part Name(s) : SCC2698B SCC2698BC1A84 SCC2698BE1A84 SCC2698BE1N64 Philips
Philips Electronics
Description : Enhanced octal UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (Octal UART) View

DESCRIPTION
The SCC2698B Enhanced Octal UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (Octal UART) is a single chip MOS-LSI communications device that provides eight full-duplex ASYNCHRONOUS RECEIVER/TRANSMITTER channels in a single package. It is fabricated WITH CMOS technology which combines the benefits of HIGH density and low power consumption.

 

Part Name(s) : A16450 Altera
Altera Corporation
Description : UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER View

General Description
The a16450 MegaCore function implements a UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART), which provides an INTERFACE between a microprocessor and a serial communications channel. The a16450 receives and transmits data in a variety of configurations, including 5-, 6-, 7-, or 8-bit data words; odd, even, or no parity; and 1, 1.5, or 2 stop bits. The a16450 includes an internal baud rate generator and interrupt control. See Figure 1.

Features
■ a16450 MegaCore function implementing a UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)
■ Optimized for FLEX® and MAX® architectures
■ Programmable word length, stop bits, and parity
■ Full duplex operation
■ Programmable baud rate generator
■ Prioritized interrupt control
■ Internal diagnostic/loopback capabilities
■ Uses approximately 372 FLEX logic elements (LEs)
■ Functionally based on the National Semiconductor Corporation NS16450 device, except as noted in “Variations & Clarifications” on page 79

Part Name(s) : SC28L92 SC28L92A1B SC28L92A1A Philips
Philips Electronics
Description : 3.3V?5.0V DUAL UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (DUART) View

DESCRIPTION
The SC28L92 is a pin and function replacement for the SCC2692 and SC26C92 operating 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 are: 16 character receiver, 16 character transmit FIFOS, watch dog timer for each receiver, mode register 0 is added, extended baud rate and overall faster speeds, programmable receiver and transmitter interrupts. (Neither the SC26C92 nor the SCC2692 is being discontinued.)

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

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