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TMPR3901F
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4.2 Read Operation
The TMPR3901F supports two kinds of read operations single read and burst read .
4.2.1 Single Read
The single read operation reads four bytes or less data. It is used in the following cases.
• On a data cache miss (the data cache is not set for burst read)
• An instruction fetch or data load from an uncached area
• An instruction fetch when the instruction cache is disabled
• A data load when the data cache is disabled
Figure 4-1 shows a timing chart for a single read operation with two wait cycles.
Figure 4-1 Single-read operation (two wait cycles)
SYSCLK
A[31:2]
BE[3:0]*
RD*
BSTART*
ACK*
BUSERR*
D[31:0]
LAST*