5411.5. Power Block Diagram 11.6. Flash Block DiagramPOWER BLOCK DIAGRAMHX-WA03/WA3 POWER BLOCK DIAGRAMBSRSTRESETEXCLKSC32KBOOST5.0VPONIC501SWITCHINGCONTROLVOUT1L5021STEP UP & DOWNCIRCUITVDD3LCDANLCDCAL5041STEP DOWN CIRCUITLX4ENLX2ALX2BVDD1.8VOUT2VOUT7FB7I2C_SDASCL I2C_SCLSDAAL3.2VVDDMIC504LOAD SWUSB_VBUSBATMONITBAT+INBATIC521USBCHARGEUSUP USB_SUSPWR3VINSDA I2C_SDASCL I2C_SCLVDD5VDD5ONSWISWO CMOS1.8IC502, IC503REG.VDD1.5PVDD5L5031STEP DOWN CIRCUITLX3 VDD1.2L5051STEP DOWN CIRCUITLX5 VAA2.8CTL4 VOUT1 CONTROL4VIN 3 CE1 VOUTTO DMATO DMATO BATTERYTO DMAXINXOUTX300132.768KHzTO DMAFLASH BLOCK DIAGRAMHX-WA03/WA3 FLASH BLOCK DIAGRAMCHGZCHGDONEFLCTLAL3.2V7 2C5401 T5401 D5402Q5402POWER FILTER OSCILLATIONTRANSFORMERBLOCKRECTIFIERCIRCUITEMISSIONCONTROLCIRCUITTRIGGERCIRCUITLIGHT EMITTINGELEMENT(XENON TUBE)CHARGING CIRCUITLIGHT EMISSION CIRCUIT4OSCILLATIONCIRCUITIGBTDRIVERCHARGEMONITORCIRCUITIC541 10695FLASHCHARGEFLASHCAPACITORTRIGGER TRANSFORMERUNREGSTTO DMA