Symbian3/PDK/Source/GUID-3B6544CD-FA6E-5AB2-AA63-61186F52167D.dita
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    22 disabled or modified under software control. </p>
    22 disabled or modified under software control. </p>
    23 <p>The following hardware block diagram is an example of the way power resources
    23 <p>The following hardware block diagram is an example of the way power resources
    24 might be arranged: </p>
    24 might be arranged: </p>
    25 <fig id="GUID-41113C18-2C87-5DEA-9D05-31083F51269A">
    25 <fig id="GUID-41113C18-2C87-5DEA-9D05-31083F51269A">
    26 <title>Example power resource arrangement</title>
    26 <title>Example power resource arrangement</title>
    27 <image href="GUID-622D6337-E60A-5252-8B2B-BA8232927453_d0e389421_href.png" placement="inline"/>
    27 <image href="GUID-622D6337-E60A-5252-8B2B-BA8232927453_d0e395274_href.png" placement="inline"/>
    28 </fig>
    28 </fig>
    29 <p>There is no default support or default implementation for controllable
    29 <p>There is no default support or default implementation for controllable
    30 power resources in the generic layers of Symbian platform. They must be managed
    30 power resources in the generic layers of Symbian platform. They must be managed
    31 by the base port. </p>
    31 by the base port. </p>
    32 <p>We suggest that the management of controllable power resources (the resource
    32 <p>We suggest that the management of controllable power resources (the resource
   158 power controller DLL. </p> <p>The following base port software architecture
   158 power controller DLL. </p> <p>The following base port software architecture
   159 could be applied to the power supply arrangement as illustrated in the hardware
   159 could be applied to the power supply arrangement as illustrated in the hardware
   160 block diagram above (see the beginning of this section at <xref href="GUID-3B6544CD-FA6E-5AB2-AA63-61186F52167D.dita">Controllable
   160 block diagram above (see the beginning of this section at <xref href="GUID-3B6544CD-FA6E-5AB2-AA63-61186F52167D.dita">Controllable
   161 Power Resources</xref>): </p> <fig id="GUID-309A6C5E-A347-5E04-B2C8-426A81755226">
   161 Power Resources</xref>): </p> <fig id="GUID-309A6C5E-A347-5E04-B2C8-426A81755226">
   162 <title>Base port software architecture</title>
   162 <title>Base port software architecture</title>
   163 <image href="GUID-EE2F64B2-A2E3-524F-8E04-68BE9AA9EA36_d0e389647_href.png" placement="inline"/>
   163 <image href="GUID-EE2F64B2-A2E3-524F-8E04-68BE9AA9EA36_d0e395500_href.png" placement="inline"/>
   164 </fig> </section>
   164 </fig> </section>
   165 <section id="GUID-C4C67612-C5CD-5D64-B257-259FD12443C9"><title>Multi-level,
   165 <section id="GUID-C4C67612-C5CD-5D64-B257-259FD12443C9"><title>Multi-level,
   166 composite and asynchronous power resources</title> <p>Some power resources
   166 composite and asynchronous power resources</title> <p>Some power resources
   167 may have more than one operational level. For example, it is possible that
   167 may have more than one operational level. For example, it is possible that
   168 an input clock to a peripheral can be operated at a nominal value corresponding
   168 an input clock to a peripheral can be operated at a nominal value corresponding