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MFG:GM D/C:08+
Part Number: 82C50A
MFG: GM
D/C: 08+
Description: The 82C50A Asynchronous Communication Element (ACE) is a high performance programmable Universal Asynchro-nous Receiver...
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82C50A
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DataSheet
General Description
82C50A General Description
The 82C50A Asynchronous Communication Element (ACE) is a high performance programmable Universal Asynchro-nous Receiver/Transmitter (UART) and Baud Rate Genera-tor (BRG) on a single chip. Using Intersil's advanced Scaled SAJI IV CMOS Process, the ACE will support data rates from DC to 625K baud (0-10MHz clock).
The ACE's receiver circuitry converts start, data, stop, and parity bits into a parallel data word. The transmitter circuitry converts a parallel data word into serial form and appends the start, parity, and stop bits. The word length is program-mable to 5, 6, 7, or 8 data bits. Stop bit selection provides a
choice of 1,1.5, or 2 stop bits.
The Baud Rate Generator divides the clock by a divisor 16 programmable from 1 to 2 -1 to provide standard RS-232C baud rates when using any one of three industry standard baud rate crystals (1.8432MHz, 2.4576MHz, or 3.072MHz).A programmable buffered clock output (BAUDOUT) provides either a buffered oscillator or 16X (16 times the data rate) baud rate clock for general purpose system use.
82C50A Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+8.0V
Input, Output or I/O Voltage . . . . . . . . . . . .GND -0.5V to VCC +0.5V
Input, Output or I/O Voltage . . . . . . . . . . . .GND -0.5V to VCC +0.5V
82C50A Features
* Single Chip UART/BRG
* DC to 625K Baud (DC to 10MHz Clock)
* Crystal or External Clock Input
* On Chip Baud Rate Generator 1 to 65535 Divisor Generates 16X Clock
* Prioritized Interrupt Mode
* Fully TTL/CMOS Compatible
* Microprocessor Bus Oriented Interface
* 80C86/80C88 Compatible
* Scaled SAJI IV CMOS Process
* Low Power - 1mA/MHz Typical
* Modem Interface
* Line Break Generation and Detection
* Loopback and Echo Modes
* Doubled Buffered Transmitter and Receiver
* Single 5V Supply
* DC to 625K Baud (DC to 10MHz Clock)
* Crystal or External Clock Input
* On Chip Baud Rate Generator 1 to 65535 Divisor Generates 16X Clock
* Prioritized Interrupt Mode
* Fully TTL/CMOS Compatible
* Microprocessor Bus Oriented Interface
* 80C86/80C88 Compatible
* Scaled SAJI IV CMOS Process
* Low Power - 1mA/MHz Typical
* Modem Interface
* Line Break Generation and Detection
* Loopback and Echo Modes
* Doubled Buffered Transmitter and Receiver
* Single 5V Supply
82C50A Connection Diagram
82C50A
PDF/DataSheet Download
- Datasheet: 82C50A
- File Size: 103598 KB
- Manufacturer: INTERSIL [Intersil Corporation]
- Click here to Download
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