參數(shù)資料
型號(hào): AT80C51RA2-3CSUM
廠商: Atmel
文件頁數(shù): 62/84頁
文件大?。?/td> 0K
描述: IC 8051 MCU ROMLESS 40DIP
標(biāo)準(zhǔn)包裝: 216
系列: 80C
核心處理器: 8051
芯體尺寸: 8-位
速度: 40/20MHz
連通性: UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器類型: ROMless
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
2007-2012 Microchip Technology Inc.
DS70292G-page 67
dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
FIGURE 4-9:
DATA ACCESS FROM PROGRAM SPACE ADDRESS GENERATION
0
Program Counter
23 bits
1
PSVPAG
8 bits
EA
15 bits
Program Counter(1)
Select
TBLPAG
8 bits
EA
16 bits
Byte Select
0
1/0
User/Configuration
Table Operations(2)
Program Space Visibility(1)
Space Select
24 bits
23 bits
(Remapping)
1/0
0
Note 1: The Least Significant bit (LSb) of program space addresses is always fixed as ‘0’ to maintain
word alignment of data in the program and data spaces.
2: Table operations are not required to be word aligned. Table read operations are permitted
in the configuration memory space.
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