JPS6424656A - Terminal adaptor device - Google Patents

Terminal adaptor device

Info

Publication number
JPS6424656A
JPS6424656A JP18276087A JP18276087A JPS6424656A JP S6424656 A JPS6424656 A JP S6424656A JP 18276087 A JP18276087 A JP 18276087A JP 18276087 A JP18276087 A JP 18276087A JP S6424656 A JPS6424656 A JP S6424656A
Authority
JP
Japan
Prior art keywords
tone
pushbutton dial
pushbutton
rom
written
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP18276087A
Other languages
Japanese (ja)
Inventor
Kiyoshi Abe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP18276087A priority Critical patent/JPS6424656A/en
Publication of JPS6424656A publication Critical patent/JPS6424656A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To attain self-diagnosis by providing a means generating a pushbutton dial signal to an audible tone generating circuit and outputting the generated pushbutton dial signal to a pushbutton dial reception circuit by a diagnosis command signal. CONSTITUTION:Various tones such as dial tone are written in a data area 15 of a ROM 12 as tone 31-tone 36 and pushbutton dial signals 37, 38 are written in a data area 16. A high-order address ADDH of the ROM 12 designated by a control processor 8 is set in a register 14, and a counter 13 outputs a low-order address ADDL to read out tone data one by one byte at every 8kHz clock on the address. The control processor 8 commands the transmission of the pushbutton dial signal to the audible tone generating circuit 7 to read and output the pushbutton dial signal written in the data area 16 of the ROM 12.
JP18276087A 1987-07-21 1987-07-21 Terminal adaptor device Pending JPS6424656A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18276087A JPS6424656A (en) 1987-07-21 1987-07-21 Terminal adaptor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18276087A JPS6424656A (en) 1987-07-21 1987-07-21 Terminal adaptor device

Publications (1)

Publication Number Publication Date
JPS6424656A true JPS6424656A (en) 1989-01-26

Family

ID=16123951

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18276087A Pending JPS6424656A (en) 1987-07-21 1987-07-21 Terminal adaptor device

Country Status (1)

Country Link
JP (1) JPS6424656A (en)

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