In-circuit programming architecture with processor,...

Details In-circuit programming architecture with processor,... In-circuit programming architecture with processor,...

2008-07-29

2008-07-29

Sough, Hyung (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S147000, C711S154000, C712S034000, C713S375000

Reexamination Certificate

active

07406559

ABSTRACT:
An architecture for an integrated circuit with in-circuit programming allows real-time modification of the in-circuit programming code and other code stored on the chip. The architecture utilizes a microprocessor and control logic on an integrated circuit having a single non-volatile memory that stores instructions and data, such as in-circuit programming and user code, and input/output ports and related structure for exchanging data with an external device. Using in-circuit programming code stored on the chip, the chip interactively establishes an in-circuit programming exchange with an external device to update data and instructions including the in-circuit programming code. Input/output conflicts during in-circuit programming can be avoided by employing a code generator that supplies control routines to the microprocessor during at least part of the in-circuit programming operations. The code generator allows the in-circuit programming code to be updated in real time.

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