Information processing apparatus with semiconductor integrated circuits, control method therefor, and storage medium
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United States of America Patent
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Dec 8, 2020
Grant Date -
Mar 1, 2018
app pub date -
Aug 18, 2017
filing date -
Aug 26, 2016
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Abstract
An information processing which reduces production costs. The information processing apparatus has a first semiconductor device, a second semiconductor device, a ROM that stores both a first boot program and a second boot program, and an interface for communicating with the ROM. In response to the first semiconductor device being reset, the first semiconductor device reads out the first boot program from the ROM via the interface. In response to the second semiconductor device being reset, the second semiconductor device reads out the second boot program from the ROM via the interface. While the first semiconductor device is reading out the first boot program from the ROM, an output from the second semiconductor device to the interface is controlled to have high impedance.
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