Datasheet

dsPIC30F2010
DS70118J-page 36 © 2011 Microchip Technology Inc.
TABLE 4-2: BIT-REVERSED ADDRESS SEQUENCE (16-ENTRY)
TABLE 4-3: BIT-REVERSED ADDRESS MODIFIER VALUES FOR XBREV REGISTER
Normal
Address
Bit-Reversed
Address
A3 A2 A1 A0 Decimal A3 A2 A1 A0 Decimal
0000 0 0000 0
0001 1 1000 8
0010 2 0100 4
0011 3 1100 12
0100 4 0010 2
0101 5 1010 10
0110 6 0110 6
0111 7 1110 14
1000 8 0001 1
1001 9 1001 9
1010 10 0101 5
1011 11 1101 13
1100 12 0011 3
1101 13 1011 11
1110 14 0111 7
1111 15 1111 15
Buffer Size (Words)
XB<14:0> Bit-Reversed Address Modifier Value
(1)
32768 0x4000
16384 0x2000
8192 0x1000
4096 0x0800
2048 0x0400
1024 0x0200
512 0x0100
256 0x0080
128 0x0040
64 0x0020
32 0x0010
16 0x0008
8 0x0004
4 0x0002
2 0x0001
Note 1: Modifier values greater than 256 words exceed the data memory available on the dsPIC30F2010 device.