1MHz Asynchronous Communications Interface Adapter (ACIA)
MC6850P
$8.80
| QTY | Price |
|---|---|
| 1 | $8.80 |
| 10 | $7.80 |
Description
This 1MHz Asynchronous Communications Interface Adapter (ACIA) facilitates the formatting and control of data for serial asynchronous communication, enabling integration with bus-organized systems like the MC6800 Microprocessing Unit.
Equipped with select, enable, read/write, interrupt, and bus interface logic, it facilitates bidirectional data transfer over an 8-bit data bus. The ACIA serially transmits and receives parallel data from the bus system, ensuring proper formatting and error checking. Its functional setup is configurable via the data bus during system initialization. A programmable Control Register allows customization of word lengths, clock division ratios, transmit and receive control, and interrupt control. Additionally, it offers three control lines for direct interfacing with peripherals or modems like the MC6860L 0-600 bps digital modem.
Features
- 8-bit and 9-bit transmission
- Optional even and odd parity
- Parity, overrun and framing error checking
- Programmable control register
- Optional ÷1, ÷16 and ÷64 clock modes
- Up to 1.0 Mbps transmission
- False start bit deletion
- Peripheral modem control functions
- Double buffered
- One-stop or two-stop bit operation
Specifications
Operating Temperature
0°C ~ 70°C
Supply Voltage-Nom
5.0 V
Supply Voltage Range
4.75 V ~ 5.25 V
Package
DIP
Number of Terminals
24
Terminal Finish
Tin/Lead (Sn/Pb)
Dimensions
Length
31.75 mm
Width
15.24 mm
Terminal Pitch
2.54 mm
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