參數(shù)資料
型號: AT80C51RA2-SLSUM
廠商: Atmel
文件頁數(shù): 60/84頁
文件大?。?/td> 0K
描述: IC 8051 MCU ROMLESS 44PLCC
標(biāo)準(zhǔn)包裝: 972
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: 44-LCC(J 形引線)
包裝: 管件
2007-2012 Microchip Technology Inc.
DS70292G-page 65
dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
FIGURE 4-8:
BIT-REVERSED ADDRESS EXAMPLE
TABLE 4-38:
BIT-REVERSED ADDRESS SEQUENCE (16-ENTRY)
Normal Address
Bit-Reversed Address
A3
A2
A1
A0
Decimal
A3
A2
A1
A0
Decimal
0
000
0
0000
0
001
1
1000
8
0
010
2
0100
4
0
011
3
1100
12
0
100
4
0010
2
0
101
5
1010
10
0
110
6
0110
6
0
111
7
1110
14
1
000
8
0001
1
001
9
1001
9
1
010
10
0101
5
1
011
11
1101
13
1
100
12
0011
3
1
101
13
1011
11
1
110
14
0111
7
1
111
15
1111
15
b3 b2 b1 0
b2 b3 b4
0
Bit Locations Swapped Left-to-Right
Around Center of Binary Value
Bit-Reversed Address
XB = 0x0008 for a 16-Word Bit-Reversed Buffer
b7 b6 b5 b1
b7 b6 b5 b4
b11 b10 b9 b8
b15 b14 b13 b12
Sequential Address
Pivot Point
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