M66307SP 查看數據表（PDF） - MITSUBISHI ELECTRIC

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M66307SP

LINE SCAN BUFFER with 16-BIT MPU BUS COMPATIBLE INPUTS

MITSUBISHI ELECTRIC  

MITSUBISHI 〈DIGITAL ASSP〉

M66307SP/FP

LINE SCAN BUFFER with 16-BIT MPU BUS COMPATIBLE INPUTS

Outline of commands

When the MPU accesses the M66307 for write with C/D =

High as shown in Table 1, the M66307 reads the information

on the data bus into the register as a command. When the MPU

accesses the M66307 for write with C/D = Low, the M66307 reads

the information into the internal memory as data. There are eight

kinds of commands classified by the upper four bit (D15 to D12).

Table 1. Access for Write

C/D

CS

DACK

X

X

X

X

H

H

H

L

H

L

L

H

X

H

L

X : denotes H or L.

WR

H

The M66307 cannot be accessed.

Function

Command is stored in the internal command register.

(During MPU cycle)

Data is stored in the internal memory.

(During DMA cycle)

6

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