參數(shù)資料
型號: SAB82C258A-12-N
廠商: SIEMENS A G
元件分類: DMA控制器
英文描述: Advanced DMA Controller for 16-Bit Microcomputer Sytems (ADMA)
中文描述: 4 CHANNEL(S), 12 MHz, DMA CONTROLLER, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 2/2頁
文件大小: 26K
代理商: SAB82C258A-12-N
Siemens Aktiengesellschaft
Advanced DMA Controller
for 16-Bit Microcomputer Sytems (ADMA)
ITS05934
Address
Incrementer
Burst
Counters
Temp. Data
Registers
&
Data Path
Control
Bus
Control
Timing
Generator
Bus Interface
Unit
Instruction
Pointer
Registers
Priority
Logic
ROM
Central Control
Micro-
instruction
Cache
Instruction
Registers
Pipeline
Registers
Channel
Command
Registers
Control
Status
Registers
Multiplexer
Channel
Registers
Byte
Counters
Byte Count Unit
Mask
Registers
Match
Registers
Data
Registers
Data Handler
A
L
U
Pointer
Registers
ALU
Address Unit
L
a
t
c
h
Internal Data Bus
Channel
Control
Signals
Addr.
Internal Channel
Requests
Data
Bus
Control
Signals
CLK
RESET
Block Diagram SAB 82C258A
SAB 82C257
SAB 82C258A
2
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