參數(shù)資料
型號： P87C51MB2
廠商： NXP Semiconductors N.V.
英文描述： 80C51 8-bit microcontroller family with extended memory
中文描述： 80C51的8位微控制器系列擴展內(nèi)存
文件頁數(shù)： 23/34頁
文件大?。?/td> 394K
代理商： P87C51MB2
2001 Apr 06
23
Philips Semiconductors
Preliminary specification
P87C51MB2/P87C51MC2
80C51 8-bit microcontroller family with extended memory
64KB/96KB OTP with 2KB/3KB RAM
EXPLANATION OF AC SYMBOLS
Each timing symbol has five characters. The first character is always ‘t’ (= time). The other characters, depending on their
positions, indicate the name of a signal or the logical status of that signal. The designations are:
A – Address
C – Clock
D – Input data
H – Logic level high
I – Instruction (program memory contents)
L – Logic level low, or ALE
P – PSEN
Q – Output data
R – RD signal
t – Time
V – Valid
W– WR signal
X – No longer a valid logic level
Z – Float
Examples:
t
AVLL
- Time for address valid to ALE low.
t
LLPL
- Time for ALE low to PSEN low
Figure 1: External Program Memory Read Cycle (Non-Extended Memory Cycle)
t
PLIV
t
PLAZ
t
PXIX
t
LLAX
t
AVLL
t
PXIZ
ALE
PSEN
PORT 0
PORT 2
A0-A7
INSTR IN
P2.0-P2.7 OR A8-A15
A0-A7
t
AVIV
t
LHLL
t
LLIV
t
PLPH
t
LLPL
相關(guān)PDF資料
PDF描述
P87C51RA2 80C51 8-bit microcontroller family
P87C51RA2BBD Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT06; No. of Contacts:18; Connector Shell Size:14; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Gender:Female
P87C51RB2 80C51 8-bit microcontroller family
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P87C51MB2BA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family with extended memory
P87C51MB2BA/02 制造商:未知廠家 制造商全稱:未知廠家 功能描述:80C51 8-bit microcontroller family with extended memory;64 kB/96 kB OTP with 2 kB/3 kB RAM
P87C51MB2BA/02,529 功能描述:8位微控制器 -MCU 80C51 64K/2048 OTP RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
P87C51MC2 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family with extended memory
P87C51MC2BA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family with extended memory
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