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RM0090: Reference manual - STMicroelectronics

RM0090: Reference manual - STMicroelectronics

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Embedded Flash memory interface <strong>RM0090</strong><br />

Bit 8 PRFTEN: Prefetch enable<br />

0: Prefetch is disabled<br />

1: Prefetch is enabled<br />

Bits 7:3 Reserved, must be kept cleared.<br />

Bits 2:0 LATENCY: Latency<br />

These bits represent the ratio of the CPU clock period to the Flash memory access time.<br />

000: Zero wait state<br />

001: One wait state<br />

010: Two wait states<br />

011: Three wait states<br />

100: Four wait states<br />

101: Five wait states<br />

110: Six wait states<br />

111: Seven wait states<br />

77/1416 Doc ID 018909 Rev 3

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