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參數(shù)資料
型號(hào): W79E648
廠商: WINBOND ELECTRONICS CORP
英文描述: Fast 8051 Compatible microcontroller with a redesigned Processor
中文描述: 快速8051兼容微控制器重新設(shè)計(jì)的處理器
文件頁(yè)數(shù): 29/80頁(yè)
文件大小: 407K
代理商: W79E648
Preliminary W79E648
Publication Release Date: 05/31/2004
- 29 - Revision A1
the standard 8032. Therefore, even though the number of categories has increased, each instruction
is at least 1.5 to 3 times faster than the standard 8032 in terms of clock periods.
Single Cycle
C4
C3
C2
C1
CLK
ALE
PSEN
AD7-0
PORT 2
A7-0
Address A15-8
Data_ in D7-0
Figure 3. Single Cycle Instruction Timing
Instruction Fetch
C4
C3
C2
C1
OP-CODE
Address A15-8
Address A15-8
ALE
PSEN
PC
AD7-0
PORT 2
CLK
Operand Fetch
C4
C3
C2
C1
OPERAND
PC+1
Figure 4. Two Cycle Instruction Timing
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