Appeal No. 2005-1295
Application No. 10/376,682
BACKGROUND
The invention is directed to a single chip embedded microcontroller (e.g., for use
in a smart card) that may communicate with PROM arrays consisting of an OTPROM
(one time programmable read only memory) and an EEPROM (electrically erasable
programmable read only memory). Representative claim 1 is reproduced below.
1. A single chip embedded microcontroller comprising,
a processor,
a first non-volatile erasable PROM array having a communication link with
said processor, said processor capable of reading, erasing and writing
information to and from said first non-volatile erasable PROM, wherein said
erasing of said first non-volatile erasable PROM array is performed on a plurality
of bytes,
a second non-volatile erasable PROM array having a communication link
with said processor, said processor capable of reading, erasing and writing
information to and from said second non-volatile erasable PROM, wherein said
erasing of said second non-volatile erasable PROM array is performed on a
single byte,
a high voltage generator having a communication link with said processor,
said high voltage generator generating two or more different erase and write
voltages, and
a switch communicating with said high voltage generator, said switch
connects said two or more different erase and write voltages between said first
and second non-volatile erasable PROM arrays.
The examiner relies on the following references:
Koizumi 5,504,707 Apr. 2, 1996
Talreja 5,742,787 Apr. 21, 1998
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