Abstract:
본 기술은 메모리 시스템 내 포함된 다수의 메모리 다이에 대한 인터리빙(Interleaving) 동작을 통해 입출력 성능을 향상시키는 방법 및 장치에 관한 것으로서, 읽기요청에 대응하여 서로 다른 크기의 데이터를 출력할 수 있는 다수의 메모리 다이, 및 다수의 메모리 다이와 다수의 채널을 통해 연결되며, 읽기요청에 대응하는 타겟 데이터를 다수의 메모리 다이가 다수의 채널을 통해 인터리빙(interleaving)하여 출력하도록 읽기요청에 대한 페어링 동작을 수행하고, 페어링 동작의 결과를 이용하여 상태점수(Pending Credit)를 결정하는 컨트롤러를 포함하며, 읽기요청에 대응하는 타겟 데이터의 종류 및 상태점수에 따라, 컨트롤러는, 읽기요청에 대응하는 타겟 데이터 및 타겟 데이터와 함께 출력될 수 있는 추가 데이터를 다수의 메모리 다이로부터 함께 리드한다.
Abstract:
PURPOSE:To attain many interruption requests and make discrimination easy, by connecting externally an extension unit via an extension interface and an external extension common bus, in a microcomputer system. CONSTITUTION:When a port number is given and a decoder output is supplied to an I/O logic 162 and controlled in an I/O port decoder 161 of an external I/O port 16i, it is supposed that an interruption request signal is generated from the I/O logic 162. This signal is set to an interruption request FF164, transferred to a CPU via an interruption request line 152 to generate the interruption. The CPU executes an interruption processing routine, generates an RDID port number on a control bus 150 and it is discriminated by reading the ID bit number on a data bus 151. Even when the interruption request is generated at the same time from an external I/O port, the reception of the interruption request and the reading of the ID bit signal are executed at the CPU similarly.
Abstract:
PROBLEM TO BE SOLVED: To solve the problem of causing a deterioration in access performance of a DRAM because of an increase in power consumption due to refresh and the inaccessibility of the DRAM during refresh because a refresh frequency has to be increased when the temperature of the DRAM increases.SOLUTION: Respective temperature information of a plurality of memories of a WideIO memory device is acquired, and when the execution of a function is instructed, a memory having a lower temperature is determined as a memory to be used by a function module corresponding to the function on the basis of a memory size to be used by a functional module corresponding to the function, and the acquired respective temperature information of the plurality of memories.
Abstract:
PURPOSE: To simplify a bus control array by allocating addresses to several input/output (I/O) devices, decoding them, and outputting an I/O device selection signal. CONSTITUTION: The I/O device address decoder 47 is inserted in a bus control gate array 7, the addresses (A0WA9) supplied from a CPU9 are decoded, and one of the I/O device selection signals -UKEY, -UFPC, -UCOM, -ULCO, -ULC, and -UDMA is selected for output. The bus control array, including the I/O device address decoder 47, is consists of one chip with a highly integrated semiconductor element. COPYRIGHT: (C)1986,JPO&Japio