dsPIC33FJ32MC202/204 and dsPIC33FJ16MC304
FIGURE 3-6:
BIT-REVERSED ADDRESS EXAMPLE
Sequential Address
b15 b14 b13 b12 b11 b10 b9 b8
b7 b6 b5 b4
b3 b2
b1
0
Bit Locations Swapped Left-to-Right
Around Center of Binary Value
b15 b14 b13 b12 b11 b10 b9 b8
b7 b6 b5 b1 b2 b3 b4
0
Bit-Reversed Address
Pivot Point
XB = 0x0008 for a 16-Word Bit-Reversed Buffer
TABLE 3-27:
A3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
A2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
BIT-REVERSED ADDRESS SEQUENCE (16-ENTRY)
Normal Address
A1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
A0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Decimal
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
A3
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
A2
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Bit-Reversed Address
A1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
A0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Decimal
0
8
4
12
2
10
6
14
1
9
5
13
3
11
7
15
DS70283B-page 46
Preliminary
漏
2007 Microchip Technology Inc.