參數(shù)資料
型號(hào): 87C453
廠商: NXP Semiconductors N.V.
英文描述: 80C51 8-bit microcontroller family 8K/256 OTP/ROM, expanded I/O
中文描述: 80C51的8位單片機(jī)系列8K/256檢察官辦公室/光盤(pán),擴(kuò)展的I / O
文件頁(yè)數(shù): 18/26頁(yè)
文件大?。?/td> 188K
代理商: 87C453
Philips Semiconductors
Preliminary specification
83C453/87C453
80C51 8-bit microcontroller family
8K/256 OTP/ROM, expanded I/O
1998 Apr 23
18
t
LLAX
ALE
PSEN
PORT 0
PORT 2
WR
A0–A7
FROM RI OR DPL
DATA OUT
A0–A7 FROM PCL
INSTR IN
P2.0–P2.7 OR A8–A15 FROM DPH
A0–A15 FROM PCH
t
WHLH
t
LLWL
t
WLWH
t
AVLL
t
AVWL
t
QVWX
t
WHQX
SU00008
Figure 11. External Data Memory Write Cycle
0
1
2
3
4
5
6
7
8
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE TO SBUF
INPUT DATA
CLEAR RI
VALID
VALID
VALID
VALID
VALID
VALID
VALID
VALID
SET TI
SET RI
t
XLXL
t
QVXH
t
XHQX
t
XHDX
t
XHDV
SU00027
1
2
3
0
4
5
6
7
Figure 12. Shift Register Mode Timing
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
87C51 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:CMOS single-chip 8-bit microcontrollers
87C51/BQA 制造商:Rochester Electronics LLC 功能描述:
87C51/BUA 制造商:Rochester Electronics LLC 功能描述:
87C51-16/BUA 制造商:Rochester Electronics LLC 功能描述:
87C51F 制造商:INTEL 制造商全稱(chēng):Intel Corporation 功能描述:CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
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