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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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WM8321 Arkusz danych(PDF) 69 Page - Wolfson Microelectronics plc |
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WM8321 Arkusz danych(HTML) 69 Page - Wolfson Microelectronics plc |
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69 / 253 page  Production Data WM8321 w PD, February 2012, Rev 4.0 69 15.11 POWER MANAGEMENT REGISTER DEFINITIONS 15.11.1 DC-DC CONVERTER AND LDO REGULATOR ENABLE The Enable and Status register bits for the DC-DC Converters and LDO Regulators are defined in Table 31. ADDRESS BIT LABEL DEFAULT DESCRIPTION R16464 (4050h) DCDC Enable 3:0 DCm_ENA 0 DC-DCm Enable request 0 = Disabled 1 = Enabled (Note that the actual status is indicated in DCm_STS) R16465 (4051h) LDO Enable 10:0 LDOn_ENA 0 LDOn Enable request 0 = Disabled 1 = Enabled (Note that the actual status is indicated in LDOn_STS) R16466 (4052h) DCDC Status 3:0 DCm_STS 0 DC-DCm Status 0 = Disabled 1 = Enabled R16467 (4053h) LDO Status 10:0 LDOn_STS 0 LDOn Status 0 = Disabled 1 = Enabled Notes: 1. n is a number between 1 and 11 that identifies the individual LDO Regulator. 2. m is a number between 1 and 4 that identifies the individual DC-DC Converter. Table 31 DC-DC Converter and LDO Regulator Control The Enable and Status register bits for the External Power Enable (EPE) Controls are defined in Table 32. ADDRESS BIT LABEL DEFAULT DESCRIPTION R16464 (4050h) DCDC Enable 7 EPE2_ENA 0 EPE2 Enable request 0 = Disabled 1 = Enabled (Note that the actual status is indicated in EPE2_STS) 6 EPE1_ENA 0 EPE1 Enable request 0 = Disabled 1 = Enabled (Note that the actual status is indicated in EPE1_STS) R16466 (4052h) DCDC Status 7 EPE2_STS 0 EPE2 Status 0 = Disabled 1 = Enabled 6 EPE1_STS 0 EPE1 Status 0 = Disabled 1 = Enabled Table 32 External Power Enable (EPE) Control 15.11.2 DC-DC SYNCHRONOUS BUCK CONVERTER CONTROL The register controls for configuring the DC-DC synchronous buck converters 1-4 are defined in Table 33. Note that the DCm_ON_SLOT fields and the 5 MSBs of DCm_ON_VSEL may also be stored in the integrated OTP memory. See Section 14 for details. |
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