Figure 6-10 Single Stm, Crossing A 1Kb Boundary; Figure 6-11 Single Ldm, Crossing A 1Kb Boundary; Ldm Crossing A 1Kb Boundary - ARM ARM966E-S Technical Reference Manual

CLK
HTRANS
HADDR
HWRITE
HWDATA
HREADY
CLK
HTRANS
HADDR
HWRITE
HRDATA
HREADY
ARM DDI 0186A
NONSEQ
DA-1

LDM crossing a 1KB boundary

Figure 6-11 shows bus activity when a
The two sets of transfers each begin with a nonsequential access type, and are separated
by two IDLE cycles.
NONSEQ
DA-1
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SEQ IDLE NONSEQ
DA-2 DA-3
DD-1 DD-2

Figure 6-10 Single STM, crossing a 1KB boundary

reading four words, crosses a 1KB boundary.
LDM
SEQ IDLE
DA-2
DD-1 DD-2

Figure 6-11 Single LDM, crossing a 1KB boundary

Bus Interface Unit
SEQ IDLE
DA-4
DD-3 DD-4
NONSEQ SEQ IDLE
DA-3 DA-4
DD-3 DD-4
6-15