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Chapter 03 Power, Reset, and Clock Management.pdf

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Public Version<br />

PRCM Functional Description www.ti.com<br />

3.5.1.9.2 Global Warm <strong>Reset</strong> Sequence<br />

This section describes the global reset sequence.<br />

The assumptions are:<br />

• vdds, vdds_mem, vdda_dpll_pll, vdda_dpll_per, vdda_wkup_bg_bb <strong>and</strong> vdda_sram power rails are<br />

regulated at 1.8 V.<br />

• The VDD2 voltage domain (vdd_core power rail) is regulated at 1.0 V.<br />

• The VDD1 voltage domain (vdd_mpu_iva power rail) is regulated at 1.2 V.<br />

• The VDD3, VDD4, <strong>and</strong> VDD5 voltage domains are regulated at 1.2 V.<br />

• The system is running:<br />

– <strong>Reset</strong>s are released.<br />

– CORE DPLL <strong>and</strong> processor DPLL are locked.<br />

Figure 3-29 shows the global warm reset sequence.<br />

268 <strong>Power</strong>, <strong>Reset</strong>, <strong>and</strong> <strong>Clock</strong> <strong>Management</strong> SPRUGN4L–May 2010–Revised June 2011<br />

Copyright © 2010–2011, Texas Instruments Incorporated

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