Am85C30

Features: Fastest data rate of any Am8530 - 8.192 MHz / 2.048 Mb/s - 10 MHz / 2.5 Mb/s - 16.384 MHz / 4.096 Mb/s Low-power CMOS technology Pin and function compatible with other NMOS and CMOS 8530s Easily interfaced with most CPUs - Compatible with non-multiplexed bus Many enhancements over NMOS A...

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SeekIC No. : 004284450 Detail

Am85C30: Features: Fastest data rate of any Am8530 - 8.192 MHz / 2.048 Mb/s - 10 MHz / 2.5 Mb/s - 16.384 MHz / 4.096 Mb/s Low-power CMOS technology Pin and function compatible with other NMOS and CMOS 8530s ...

floor Price/Ceiling Price

Part Number:
Am85C30
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/12

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Product Details

Description



Features:

 Fastest data rate of any Am8530
    - 8.192 MHz / 2.048 Mb/s
    - 10 MHz / 2.5 Mb/s
    - 16.384 MHz / 4.096 Mb/s
Low-power CMOS technology
Pin and function compatible with other NMOS and CMOS 8530s
Easily interfaced with most CPUs
    - Compatible with non-multiplexed bus
Many enhancements over NMOS Am8530H
    - Allows Am85C30 to be used more effectively in high-speed applications
    - Improves interface capabilities
Two independent full-duplex serial channels
Asynchronous mode features
    - Programmable stop bits, clock factor, character length and parity
    - Break detection/generation
    - Error detection for framing, overrun, and parity
Synchronous mode features
    - Supports IBMâ BISYNC, SDLC, SDLC Loop, HDLC, and ADCCP Protocols
    - Programmable CRC generators and checkers
    - SDLC/HDLC support includes frame control, zero insertion and deletion, abort, and residue handling
 Enhanced SCC functions support high-speed frame reception using DMA
    - 14-bit byte counter
    - 10 ´ 19 SDLC/HDLC Frame Status FIFO
    - Independent Control on both channels
    - Enhanced operation does not allow special receive conditions to lock the 3-byte DATA FIFO when the 10 ´ 19  FIFO is enabled
Local Loopback and Auto Echo modes
Internal or external character synchronization
2-Mb/s FM encoding transmit and receive capability using internal DPLL for 16.384-MHz product
Internal synchronization between RxC to PCLK and TxC to PCLK
    - This allows the user to eliminate external synchronization hardware required by the NMOS device when transmitting or receiving data at the maximum rate of 1/4 PCLK frequency



Pinout

  Connection Diagram  Connection Diagram


Specifications

Storage Temperature . . . . . . . . . . . 65 to +150
Voltage at any Pin
    Relative to VSS . . . . . . . . . . . . . . .  0.5 to +7.0 V

Stresses above those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent device failure. Functionality
at or above these limits is not implied. Exposure to absolute maximum ratings for extended periods may affect device
reliability



Description

AMD's Am85C30 is an enhanced pin-compatible version of the popular Am8530H Serial Communications Controller. The Enhanced Serial Communications Controller (ESCC) is a high-speed, low-power, multiprotocol communications peripheral designed for use with 8- and 16-bit microprocessors. It has two independent, full-duplex channels and functions as a serial-toparallel, parallel-to-serial converter/controller. AMD's proprietary enhancements make the Am85C30 easier to interface and more effective in high-speed applications due to a reduction in software burden and the elimination of the need for some external glue logic.

The Am85C30 is easy to use due to a variety of sophisticated internal functions, including on-chip baud rate generators, digital phase-locked loops, and crystal oscillators, which dramatically reduce the need for external logic. The device can generate and check CRC codes in any SYNC mode, and can be programmed to check data integrity in various modes. The ESCC also has facilities for modem controls in both channels. In applications where these controls are not needed, the modem controls can be used for general-purpose I/O.

This versatile Am85C30 supports virtually any serial data transfer application such as networks, modems, cassettes, and tape drivers. The ESCC is designed for nonmultiplexed buses and is easily interfaced with most CPUs, such as 80188, 80186, 80286, 8080, Z80, 6800, 68000 and MULTIBUStm


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