【発明の名称】カウンタの読出し制御装置とその制御方法

Title:

【発明の名称】カウンタの読出し制御装置とその制御方法

Document Type and Number:

Japanese Patent JP3350005

Kind Code:

B2

Abstract:

A counter readout control apparatus includes a plurality of counters, in which an upper-order counter performs a counting operation upon receiving a carry from a lower-order counter; a first means for resetting a flag-storing memory in which a carry of each counter, with an exception of an uppermost-order counter, is stored (Step S21); a second means for sequentially reading out the plurality of counters from an upper-order counter to a lower-order counter (Step S22 to S25); a third means for, after reading each counter value by means of the second means, testing as to whether the carry is set or not in the flag-storing memory (Step S26 to S29); and, a fourth means for, in the case in which the carry is set in the flag-storing memory, resetting the flag-storing memory having the carry (Step S27A, S28A, S29A) and performing a re-read operation only of counters having an order higher than an order of a counter which has been changed due to a reception of the carry (Step S22 to S25).

Inventors:

Masahiro Minami
Shigekazu Otsuka

Application Number:

JP30925999A

Publication Date:

November 25, 2002

Filing Date:

October 29, 1999

Export Citation:

Click for automatic bibliography generation Help