Data processor and data processing system

Details Data processor and data processing system Data processor and data processing system

1997-05-29

1999-10-05

Kizou, Hassan

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

709208, G06F 15177

Patent

active

059616415

ABSTRACT:
A data processor has a ROM that holds a boot program for causing the CPU to transfer a debug program from a serial interface circuit to a debug-use RAM area. When supplied externally with an SDI boot command, the serial interface circuit outputs an SDI interrupt request signal (SDI.sub.-- boot) to an interrupt controller. The signal causes the CPU to execute the boot program. Debug operations are varied as per the contents of the downloaded debug program, and data exchanges upon debugging are carried out serially.

REFERENCES:
patent: 4451882 (1984-05-01), Dshkhunian et al.
patent: 5444861 (1995-08-01), Adamec et al.
patent: 5675800 (1997-10-01), Fisher, Jr. et al.
patent: 5680620 (1997-10-01), Ross
DSP 96002 User's Manual, Section 10, On-Chip Emulator, pp. 10-1-10-22.

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