【発明の名称】オンボード書込制御方法 - NEC IC Microcomputer System Co., Ltd.

Title:

【発明の名称】オンボード書込制御方法

Document Type and Number:

Japanese Patent JP3076239

Kind Code:

B2

Abstract:

A user board has an on-board microcomputer including a flash memory and an on-board writing program memory, a user circuit, a reset circuit, a first OR gate, and a second OR gate. A detected signal for resetting the user circuit in an on-board writing mode is supplied from an on-board writing host through the second OR gate to prevent the user circuit from affecting a writing control signal and data to be written into the flash memory.

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Inventors:

Hiroshi Hikichi
Takashi Igaue

Application Number:

JP589096A

Publication Date:

August 14, 2000

Filing Date:

January 17, 1996

Export Citation:

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Assignee:

NEC IC Microcomputer System Co., Ltd.

International Classes:

G06F12/16; G06F1/24; G06F11/07; G06F15/78; G11C16/02; G11C17/00; (IPC1-7): G06F12/16; G06F1/24; G06F15/78; G11C16/02

Domestic Patent References:

JP7271634A
JP5266220A
JP4276838A
JP729386A

Attorney, Agent or Firm:

Naoki Kyomoto (2 outside)

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