參數(shù)資料
型號(hào): DS89C450
英文描述: Ultra-High-Speed Flash Microcontrollers
中文描述: 超高速閃存微控制器
文件頁(yè)數(shù): 35/48頁(yè)
文件大?。?/td> 934K
代理商: DS89C450
DS89C430/DS89C440/DS89C450 Ultra-High-Speed Flash Microcontrollers
35 of 48
Figure 12. Page Mode 1, External Data Memory Access
(PAGES = 01, STRETCH = 1, CD = 10)
ALE
PSEN
Port 0
Port 2
ALE
Port 0
Port 2
RD
/
WR
ALE
PSEN
Port 0
Port 2
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
LSB Addr
Inst
Inst
Inst
Inst
Inst
Inst
Inst
Inst
Inst
Inst
Inst
Inst
Inst
Inst
Inst
Data
Data
MOVX
MOVX
MOVX
MSB Addr
MSB Addr
MSB Addr
Data
Memory Access (Stretch =1)
Memory Access (Stretch =1)
Memory Access (Stretch =1)
MOVX Instruction
MOVX Instruction
MOVX Instruction
MOVX Inst
Fetch
MOVX Inst
Fetch
XTAL1
PSEN
RD
/
WR
RD
/
WR
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS89C450+ENG 制造商:Maxim Integrated Products 功能描述:MCU 8BIT CISC 64KB FLASH 5V 44TQFP - Trays
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DS89C450+QNL 制造商:Maxim Integrated Products 功能描述:MICRO HI SPD 44PLCC 64K IND PB-FREE - Rail/Tube