System for transferring data through a communication interface u

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39520014, 395849, 395853, G06F 1300

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active

058225226

ABSTRACT:
A data processing apparatus which has a communication interface element for connecting between an external apparatus and outputting element. The outputting element outputs the data received from the external apparatus by a normal speed parallel communication through the communication interface element. The data processing apparatus includes a DMAC for connecting between the communication interface element and the outputting element. Designating data which can be included in the received data designates performing a high speed parallel communication. The DMAC is started in response to the designating.

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IBM Technical Disclosure Bulletin, vol. 28, No. 8, Jan. 1986, "Two-Speed Receive Method to Prevent Printer Interface Time-Out", pp. 3717-3719.

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