參數(shù)資料
型號： P89C51RD2BB
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
中文描述： 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
封裝： 10 X 10 X 1.75 MM, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù)： 35/52頁
文件大?。?/td> 289K
代理商： P89C51RD2BB
Philips Semiconductors
Preliminary specification
89C51RB2/89C51RC2/
89C51RD2
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
1999 Sep 23
35
EXPLANATION OF THE 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
t
LLPL
= Time for address valid to ALE low.
= Time for ALE low to PSEN low.
t
PXIZ
ALE
PSEN
PORT 0
PORT 2
A0–A15
A8–A15
A0–A7
A0–A7
t
AVLL
t
PXIX
t
LLAX
INSTR IN
t
LHLL
t
PLPH
t
LLIV
t
PLAZ
t
LLPL
t
AVIV
SU00006
t
PLIV
Figure 29. External Program Memory Read Cycle
ALE
PSEN
PORT 0
PORT 2
RD
A0–A7
FROM RI OR DPL
DATA IN
A0–A7 FROM PCL
INSTR IN
P2.0–P2.7 OR A8–A15 FROM DPF
A0–A15 FROM PCH
t
WHLH
t
LLDV
t
LLWL
t
RLRH
t
LLAX
t
RLAZ
t
AVLL
t
RHDX
t
RHDZ
t
AVWL
t
AVDV
t
RLDV
SU00025
Figure 30. External Data Memory Read Cycle
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P89C51RD2BBD/01 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit Flash microcontroller family
P89C51RD2BBD/01,55 功能描述:IC 80C51 MCU FLASH 64K 44-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:89C 產(chǎn)品培訓(xùn)模塊:MCU Product Line Introduction XMEGA Introduction AVR XMEGA USB Connectivity 標(biāo)準(zhǔn)包裝:90 系列:AVR® XMEGA 核心處理器:AVR 芯體尺寸:8/16-位 速度:32MHz 連通性:I²C，IrDA，SPI，UART/USART 外圍設(shè)備:欠壓檢測/復(fù)位，DMA，POR，PWM，WDT 輸入/輸出數(shù):50 程序存儲(chǔ)器容量:192KB（96K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:4K x 8 RAM 容量:16K x 8 電壓 - 電源 (Vcc/Vdd):1.6 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 16x12b; D/A 2x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:64-TQFP 包裝:托盤 配用:ATSTK600-RC14-ND - STK600 SOCKET/ADAPTER 64TQFPATSTK600-TQFP64-ND - STK600 SOCKET/ADAPTER 64-TQFPATAVRONEKIT-ND - KIT AVR/AVR32 DEBUGGER/PROGRMMRATAVRISP2-ND - PROGRAMMER AVR IN SYSTEM
P89C51RD2BN/01 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit Flash microcontroller family
P89C51RD2BN/01,112 制造商:NXP Semiconductors 功能描述:
P89C51RD2BP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
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