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DA6021 Datasheet(PDF) 134 Page - Renesas Technology Corp |
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DA6021 Datasheet(HTML) 134 Page - Renesas Technology Corp |
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134 / 225 page  DA6021 HIGHLY INTEGRATED POWER MANAGEMENT IC FOR INTEL® ATOM™ Z3000 PROCESSOR Company Confidential Data Sheet Version 3.A - Final 31-Jan-14 © 2014 Dialog Semiconductor GmbH 134 of 224 www.dialog-semiconductor.com Critical events are: IDBATRM – DA6021 detects that a battery was removed from the system by BATID presence comparator when the bit BATRMSRC in the PSDETCTRL register is set (=1). All VRs are shut down in sequenced order but without waiting for SLP_S*_B from SOC. If BATRMPDEN is cleared, the PMIC may operate without detecting a valid battery is present ONLY if an AC/DC adapter (SDCINDET_B=1), therefore no Cold Off in this case. Instead, an interrupt is sent to the SOC (assuming unmasked, via the normal behavior of the SBATDET bit). However, even if BATRMPDEN is cleared, a Cold Off will still be executed if no AC/DC adapter is detected (SDCINDET_B=0) BCU VCRIT – The BCU detects that the VSYS voltage node has entered the “VCRIT” operating zone. If the VCRITCFG register in the BCU configuration space is set to enable shutdown action, All VRs are shut down in sequenced order but without waiting for SLP_S*_B from SOC. If VCRITCFG is not set to enable shutdown action, only an interrupt is sent to the SOC (via the normal method). Power Source Registers 14.9 Register Name PWRSRCIRQ Address 0x03 Page 1 Read/Write Reset Value 0x00 MSB LSB R R R R R R/W R/W R/W reserved BATDET DCDET VBUSDET VBUSDET 0 1 No change Change in connection status DCDET 0 1 No change Change in connection status BATDET 0 1 No change Change in connection status Register Name MPWRSRCIRQS0 Address 0x0F Page 1 Read/Write Reset Value 0x07 MSB LSB R R R R R R/W R/W R/W Reserved MBATDET _S0 MDCDET _S0 MVBUS DET_S0 MVBUSDET_S0 0 1 VBUS detection not masked, S0 mode only VBUS detection masked, S0 mode only MDCDET_S0 0 1 AC/DC adapter detection not masked, S0 mode only AC/DC adapter detection masked, S0 mode only MBATDET_S0 0 1 Battery detection not masked, S0 mode only Battery detection masked, S0 mode only |
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