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TPS65021 Datasheet(PDF) 32 Page - Texas Instruments |
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TPS65021 Datasheet(HTML) 32 Page - Texas Instruments |
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32 / 45 page  www.ti.com TPS65021 SLVS613 – OCTOBER 2005 MASK. Register Address: 02h (read/write) Default Value: C0h MASK B7 B6 B5 B4 B3 B2 B1 B0 Bit name and MASK MASK MASK MASK MASK MASK MASK function PWRFAILZ LOWBATTZ VDCDC1 VDCDC2 VDCDC3 LDO2 LDO1 Default 1 1 0 0 0 0 0 0 Default value UVLO UVLO UVLO UVLO UVLO UVLO UVLO loaded by: Read/Write R/W R/W R/W R/W R/W R/W R/W The MASK register can be used to mask particular fault conditions from appearing at the INT pin. MASK<n> = 1 masks PGOODZ<n>. REG_CTRL. Register Address: 03h (read/write) Default Value: FFh REG_CTRL B7 B6 B5 B4 B3 B2 B1 B0 Bit name and VDCDC1 VDCDC2 VDCDC3 LDO2 LDO1 function ENABLE ENABLE ENABLE ENABLE ENABLE Default 1 1 1 1 1 1 1 1 Set by signal DCDC1_ENZ DCDC2_ENZ DCDC3_ENZ LDO_ENZ LDO_ENZ Default value UVLO UVLO UVLO UVLO UVLO loaded by: Read/Write R/W R/W R/W R/W R/W The REG_CTRL register can be used to disable and enable all power supplies via the serial interface. Default is to allow all supplies to be on, providing the relevant enable pin is high. The following tables indicate how the enable pins and the REG_CTRL register are combined. The REG_CTRL bits are automatically reset to default when the corresponding enable pin is low. DCDC1 DCDC2 DCDC1_EN PIN REG_CTRL<5> DCDC2_EN PIN REG_CTRL<4> CONVERTER CONVERTER 0 x disabled 0 x disabled 1 0 disabled 1 0 disabled 1 1 enabled 1 1 enabled DCDC3 DCDC3_EN PIN REG_CTRL<3> LDO_EN PIN REG_CTRL<2> LDO2 CONVERTER 0 x disabled 0 x disabled 1 0 disabled 1 0 disabled 1 1 enabled 1 1 enabled LDO_EN PIN REG_CTRL<1> LDO1 0 x disabled 1 0 disabled 1 1 enabled 32 |
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