Oscillators – Plural oscillators – Selectively connected to common output or oscillator...
Patent
1981-01-07
1983-01-25
Grimm, Siegfried H.
Oscillators
Plural oscillators
Selectively connected to common output or oscillator...
331 59, 331108D, 331111, 331116R, 331DIG3, H03B 520, H03B 532
Patent
active
043706258
ABSTRACT:
In a microcomputer integrated circuit the option of selecting between an RC oscillator or a crystal oscillator for generating the clock for the microprocessor is made available. By making the selection during the manufacturing process, external pin outs and chip area are minimized.
REFERENCES:
patent: 2992397 (1961-07-01), Roberts
patent: 3916345 (1975-10-01), Eberlein et al.
patent: 4083020 (1978-04-01), Goldberg
Clingan Jr. James L.
Grimm Siegfried H.
Motorola Inc.
Myers Jeffrey Van
Sarli, Jr. Anthony J.
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