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Data Sheet - Freescale Semiconductor

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3.7.2 Synchronous Sampling mode with minimum latency<br />

3.8 Initialization timing<br />

POR<br />

t DSP_POR<br />

POR<br />

Internal<br />

Delay<br />

t DSI_POR<br />

t OCPH1<br />

Figure 36. Synchronous sampling mode with minimum latency<br />

Offset<br />

Cancellation<br />

Offset<br />

Cancellation<br />

Phase 1<br />

Phase 2<br />

Discovery<br />

Mode<br />

t OCPH2<br />

Offset<br />

Cancellation<br />

Normal<br />

User set up and self-test control through CRM<br />

Read Status Registers (DEVSTAT, DEVSTAT2)<br />

Initialize Signal Chain<br />

Initialize Communication<br />

Offset<br />

Verification<br />

Self-test<br />

Verification<br />

t START_DISC<br />

Figure 37. Initialization timing<br />

Enabled/Disabled<br />

By OCFILT[2:0]<br />

Offset<br />

Verification<br />

Enter<br />

PDCM<br />

Command<br />

Periodic<br />

<strong>Data</strong><br />

Collection<br />

Mode<br />

MMA27XXW<br />

Sensors<br />

<strong>Freescale</strong> <strong>Semiconductor</strong>, Inc. 59

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