Information

Enhanced Local Bus Controller
MPC8308 PowerQUICC II Pro Processor Reference Manual, Rev. 1
Freescale Semiconductor 10-95
Figure 10-74 shows burst read access write access to FPM DRAM using LOOP.
Figure 10-74. Burst Read Access to FPM DRAM Using LOOP (Two Beats)
Table 10-52 lists UPM code for burst read access.
Table 10-52. UPM Code for Burst Read Access
cst1 0 LA Pause
(due to change
in AMX)
001Bit 0
cst2 0 0 0 1 Bit 1
cst3 0 0 0 1 Bit 2
cst4 0 0 0 1 Bit 3
bst1 1 1 0 1 Bit 4
bst2 1 1 0 1 Bit 5
bst3 1 1 0 1 Bit 6
bst4 1 0 0 1 Bit 7
g0l0 Bit 8
g0l1 Bit 9
g0h0 Bit 10
g0h1 Bit 11
g1t1 1 1 1 1 Bit 12
g1t3 1 1 1 1 Bit 13
LCLK
LD
LCS
n
LGPL1
A Row
LA
Data 1
Column 1
TA
Row lsb’s
(RAS)
LBS
n
(CAS)
Data 2
Column 2
Column 1 lsb’s Column 2 lsb’s
LBCTL
(R/W)