Memory Controller
MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
Freescale Semiconductor 11-91
Figure 11-75. FPM DRAM Burst Read Access (Data Sampling on Falling Edg e of CLKIN)
cst1 00000 Bit 0
cst2 00000 Bit 1
cst3 00001 Bit 2
cst4 00001 Bit 3
bst1 10000 Bit 4
bst2 10000 Bit 5
bst3 11111 Bit 6
bst4 11111 Bit 7
g0l0 Bit 8
g0l1 Bit 9
g0h0 Bit 10
g0h1 Bit 11
g1t1 Bit 12
g1t3 Bit 13
g2t1 Bit 14
g2t3 Bit 15
g3t1 Bit 16
g3t3 Bit 17
g4t1 -> DLT3 11111 Bit 18
g4t3 00000 Bit 19
g5t1 Bit 20
g5t3 Bit 21
redo[0] Bit 22
redo[1] Bit 23
loop 00000 Bit 24
exen 00000 Bit 25
amx0 10000 Bit 26
amx1 00000 Bit 27
na 01110 Bit 28
uta 01111 Bit 29
todt 00001 Bit 30
last 00001 Bit 31
RBS RBS+1 RBS+2 RBS+3 RBS+4 RBS+5
CLKIN
A
RD/WR
D
PSDVAL
CS1
BS
row col 1
(CAS)
(RAS)
col 2 col 3 col 4
D1 D2 D3 D4