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Patent Searching and Data


Title:
METHOD AND EQUIPMENT FOR SERIAL COMMUNICATION
Document Type and Number:
Japanese Patent JP2000253094
Kind Code:
A
Abstract:

To enhance a communication speed even when processing to a command takes much time.

First and second microcomputers 10, 20 are in a relation of master and slave, and each has a CPU, a ROM, a RAM and also a configuration of a communication control section and a serial communication block or the like that are known. The 1st microcomputer 10 continuously transmits a serial communication clock SCLK to the 2nd microcomputer 20 at a prescribed frequency. Serial communication blocks 17, 29 of each microcomputer have a couple of shift registers that are switched. Then a communication control sections 16, 28 read a signal SRXD sent from an opposite microcomputer for a prescribed clock number and conduct processing according to a processing command in the read signal SRXD for a succeeding prescribed number of clocks and transmits the processing result STXD corresponding to the processing command to the opposite microcomputer for a further succeeding prescribed number of clocks.


Inventors:
HONDA TAKAYOSHI
Application Number:
JP4822199A
Publication Date:
September 14, 2000
Filing Date:
February 25, 1999
Export Citation:
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Assignee:
DENSO CORP
International Classes:
G06F13/38; H04L29/08; (IPC1-7): H04L29/08; G06F13/38; G06F15/163
Attorney, Agent or Firm:
Hironobu Onda