DSPIC30F6012A Microchip Technology Inc., DSPIC30F6012A Datasheet - Page 45

• Manufacturer Part Number: DSPIC30F6012A
• Description: Dspic30f6011a/6012a/6013a/6014a 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)
A1
Normal Address
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
dsPIC30F6011A/6012A/6013A/6014A
4096
2048
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
b7 b6 b5 b4
b7 b6 b5 b1
Decimal
10
12
13
14
15
11
0
1
2
3
4
5
6
7
8
9
Pivot Point
Preliminary
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
0x0800
0x0400
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
DS70143C-page 43
Decimal
12
10
14
13
11
15
0
8
4
2
6
1
9
5
3
7