ESP8266设计参考原理

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1、1234C1COC1VDD3V3VDD3V3GNDPIC101PIC102PIR102COR1R1A0.1uF12KCOU2U2VDD3V3ACOU1PIU1088#RESETCOR2R2PIR101321VDD3V3U1VDD3V3PIR201PIR202PIC201PIU2032EXT_RSTBVDDAPIU201PIC301PIC402NLCSCS15D10RVDD3P3PIU2033PIU101nCSCDI/IO0PIU105COC2C24C3COC3C4COC4PIR302CPIR402PIC2021uFVDD3P3PIU

2、204PIC3020.1uFPIC40110uFCOR3R3NLCLKCLK6V2D0R4COR4VDDDPIU202929PIU106CLKDO/IO1PIU102300R/NCD0R/NCVDDAPIU2030NLIO9IO9COR5R5PIR501PIR301PIU1077NPIU1033PIR401PIR602R6COR6IO10PIR502PIR501PIU107nHOLD/IO3GnWP/IO2PIU103PIR602PIR601VDD3V3GNDGNDGNDNC/0RNC/0RCOR7R7EN7PIR702PIR701

3、PIU207CHIP_ENPIU1044W25X40/W25X32/W25Q32/W25Q12812KVDDPSTPIU201717VDD3V3ADC611PIU206TOUTVDDPSTPIU2011CS20E1COE1PIU2020SD_CMDCLK21GNDPIU2021SD_CLKD0225PIU2022SD_DATA_0VDD_RTCPIU205D1231R3=NC,R4=NC,R5=0R,R6=0R--->QIOMode;PIU2023SD_DATA_1VDD3V3C5COC52R3=0R,R4=0R,R5=NC,R6=

4、NC--->DIOMode;R8COR812KIO01525.6pF150oh332Mbit(≤128Mbit)PIR802PIR801PIU2015GPIO0LNAPIU202PIC502PIC501PIE101TX26PIL101PIL2014sop8-150mil/USON2x3mmPIU2026GPIO1/U0TXDBR9COR91KIO214COL1L1L2COL2BPILED101PILED102PIR902PIR901PIU2014GPIO2RX25NCNCPIU2025GPIO3/U0RXDPIE1022PIE103

5、34PIE1045PIE105COLED1LED1BLUE_LED_0603IO416PIL102PIL202PIU2016GPIO4IO524PIU2024GPIO5IO918GNDGNDGNDPIU2018GPIO9/SD_DATA_2IO101928PIU2019GPIO10/SD_DATA_3XTAL_INPIU2028COP1P127XTAL_OUTPIU2027NL#RESET#RESETIO2NLIO2IO1210X1COX126MHz±10ppmPIP10112PIP102PIU2010GPIO12/MTDINLD1

6、D1IO5NLIO5IO1312PIP10334PIP104PIU2012GPIO13/MTCKNLD0D0CSIO1493113CLKPIP10556PIP106TXNLTXCOR10R10IO15PIU20913GPIO14/MTMSRES12KPIU2031PIR1102PIX101PIX103NLIO10PIP10778PIP108NLRXPIR1002PIR1001PIU2013GPIO15/MTDOCOR11PIC601PIC701IO10RXIO16833R11PIP109910PIP101012KPIU208GPIO

7、16/XPD_DCDCGNDPIU203312KC6COC6C7COC7GNDPIP10111112PIP1012GNDPIC6023.9pF2PIX1024PIX104PIC7023.9pFGNDPIR1101Header6X2ESP8266GNDGNDGNDGNDGNDCCCOP2P2VDD3V3NLADCPIP20112PIP202NLENVDD3V3ADCENPIP20334PIP204NLIO16IO16IO14NLIO14PIP20556PIP206NLIO12IO12IO13NLIO13PIP20778PIP208NL

8、IO15IO15IO0NLIO012#RESETPIP209910PIP2010GPIO15GPIO0GPIO2ResetNLIO4IO4PIP20111112PIP2012IO9K1Header6X21XXSDIO/SPIWIFI1