Datasheet

dsPIC30F1010/202X
DS70178C-page 46 Preliminary © 2006 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
80x0004
40x0002
20x0001
Note 1: Modifier values greater than 256 words exceed the data memory available on the dsPIC30F1010/202X device