DSPIC30F2012 Microchip Technology Inc., DSPIC30F2012 Datasheet - Page 47

• Manufacturer Part Number: DSPIC30F2012
• Description: Dspic30f2011/2012/3012/3013 High-performance Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

FIGURE 4-2:
TABLE 4-2:
TABLE 4-3:
© 2006 Microchip Technology Inc.
A3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
b15 b14 b13 b12
b15 b14 b13 b12
A2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
BIT-REVERSED ADDRESS SEQUENCE (16-ENTRY)
BIT-REVERSED ADDRESS MODIFIER VALUES FOR XBREV REGISTER
Buffer Size (Words)
Normal Address
A1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
b11 b10 b9 b8
BIT-REVERSED ADDRESS EXAMPLE
b11 b10 b9 b8
1024
512
256
128
64
32
16
8
4
2
A0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
dsPIC30F2011/2012/3012/3013
b7 b6 b5 b4
b7 b6 b5 b1
Decimal
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
Pivot Point
b3 b2 b1
b2 b3 b4
Sequential Address
A3
Bit-Reversed Address
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
XB<14:0> Bit-Reversed Address Modifier Value
XB = 0x0008 for a 16-word Bit-Reversed Buffer
A2
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
Bit-Reversed Address
Bit Locations Swapped Left-to-Right
Around Center of Binary Value
A1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0x0200
0x0100
0x0080
0x0040
0x0020
0x0010
0x0008
0x0004
0x0002
0x0001
A0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
DS70139E-page 45
Decimal
12
10
14
13
15
11
0
8
4
2
6
1
9
5
3
7