SAB82C257 データシートの表示（PDF） - Siemens AG

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SAB82C257

Advanced DMA Controller for 16-Bit Microcomputer Sytems (ADMA)

Siemens AG 

Advanced DMA Controller

for 16-Bit Microcomputer Sytems (ADMA)

SAB 82C257

SAB 82C258A

Addr.

Data

Bus

Control

Signals

CLK

RESET

Bus Interface

Unit

Address

Incrementer

Burst

Counters

Temp. Data

Registers

&

Data Path

Control

Bus

Control

Timing

Generator

Address Unit

ALU

L

a

t

c

h

Pointer

Registers

Internal Channel

Requests

Byte Count Unit

Byte

Counters

Internal Data Bus

Data Handler

Data

Registers

Match

Registers

A

L

U

Mask

Registers

Channel

Command

Registers

Control

Status

Registers

Multiplexer

Channel

Registers

Central Control

Priority

Logic

Instruction

Pointer

Registers

ROM

Micro-

instruction

Cache

Instruction

Registers

Pipeline

Registers

Channel

Control

Signals

ITS05934

Block Diagram SAB 82C258A

Siemens Aktiengesellschaft

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