Microcontroller User's Manual

12-2 MCF5282 User’s Manual MOTOROLA
Chip Select Module Signals
Table 12-2 shows the interaction of the byte-enable/byte-write enables with related signals.
Table 12-2. Byte Enables/Byte Write Enable Signal Settings
Transfer Size Port Size A1 A0
BS
3 BS2 BS1 BS0
D[31:24] D[23:16] D[15:8] D[7:0]
Byte8-bit000111
010111
100111
110111
16-bit000111
011011
100111
111011
32-bit000111
011011
101101
111110
Word8-bit000111
010111
100111
110111
16-bit000011
100011
32-bit000011
101100
Longword8-bit000111
010111
100111
110111
16-bit000011
100011
32-bit000000
Line8-bit000111
010111
100111
110111
16-bit000011
100011
32-bit000000