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供电
USB供电Power Solution 2USB ConnectorCN2 4 3 2 1 CN1 4 3 2 1 R5 22 GND USB_D+ USB_D1.5Vor5V IN 1.5Vor5V IN 3 VOLTS DETECTOR XC61CN2002MR GND IN OUT 1 R1 100K 1 3 1A FUSE1 D1 DIODE 1.5V_BATTERY/CE=0,Vout=OFF; /CE=1,Vin=5V,Vout=1.5 V.LDO XC6204B152MR GND IN /CE OUT 5 VDD_BAT RCE0 47K BJT LOW SAT TRANSISTORS 2 FLASH_RDY RE# CE0# VDDIO C22 0.1U CLE ALE WE# WP# VDDIO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24R322Vin>2V,Vout=1; Vin
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