OK2440-III开发板底板原理图

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1、654321REVISIONRECORDLTRECONO:APPROVED:DATE:VDD33VR1R3R30R33R27用户按键VDD33V4.7K4.7K4.7K4.7KD4.7KS6DEINT0/GPF01324LED0R3810KSW_PUSH212EINT3/GPF312S8SMDTYPE(GREEN)LED1R8510KEINT2/GPF2132412EINT4/GPF412SMDTYPE(GREEN)SW_PUSH2LED2R8610KS71212EINT5/GPF5GPB513SMDTYPE(GREEN)24LED3R9110KSW_P

2、USH212EINT6/GPF612SMDTYPE(GREEN)S9GPB61324SW_PUSH2S2用户LEDGPB71324SW_PUSH2CCVDD33VAVDD33VJ1C9310uF/16V+C94+10uF/16V12U1654321C950.1uC960.1uAVDD33V128VDD33VAVSS_ADC_VREF_ADC&DAC_C9710uF/16VR77100227VINL1AVSS_DAC_R46100326+AVDD_ADC_VOUTL42512R48VINR1AVDD_DAC_+R47100J3524VNREF_ADC_VO

3、UTRR761006231212VINL2QMUTE12722C9810uF/16VVPREF_ADC_AGCSTAT821100VINR2TEST2920R496.8KC9910uF/16VOVERFLTEST11019R50R512+154321MIC_SPEAKERDVDDDATAI1118DVSSDATAOCDCLK12SYSCLKWS17I2SLRCKBGPB2/L3MODE13L3MODEBCK16I2SSCLK10K1B141510KGPB4/L3CLOCKL3CLOCKL3DATA+C10011110uF/16VR54R55R562UDA

4、1341TS4.7K4.7K4.7K222GPB3/L3DATAI2SSDII2SSDOVDD33VAVDD33VIISInterface(AudioCodec)B4INDUCTOR_0(SMDBead)12COMPANY:飞凌嵌入式技术有限公司AATITLE:DRAWN:DATED:OK2440_III型开发板CHECKED:DATED:CODE:SIZE:DRAWINGNO:REV:QUALITYCONTROL:DATED:RELEASED:DATED:SCALE:SHEET:OF654321REVISIONRECORDLTRECONO:APPROV

5、ED:DATE:VDD5V2u9u5.15.1C0C0U1VDD5V15u11675uC.103C1+VCC2C.10D3u9uC1-V+6C.107C.10VDD5VD46C2+V-U13VDD5V5152u1168uC2-GND6C.10C1+VCC7C.101114P2GND132TXD1C1-V+T1INT1O1NRTS1/TXD21071C72T2INT2ODCD46RXD1121320.1uC2+V-C80R1OR1INRXD5150.1uNCTS1/RXD29832C2-GNDR2OR2INTXD41114P1GND25DTRTXD0T1I

6、NT1OMAX202EGNDNRTS010716T2INT2ODCDDSRRXD0121327RTSR1OR1INRXDNCTS09R2OR2IN83TXDJ88CTS49DTR3RIMAX202E5GND32621RS232_9DSRGND71RTS89CTSCON3RIRS232_9GND串口0(5线串口)串口1串口2(3线串口)CCVDD5V22K1R.741H1VDD33V12OPGPB921KGND13R.74VCC1VDD5VHYDS1GND1DQ2EINT8/GPG0VDD3VDD33VDS18B20红外接收器温度传感器BBBELLBAVD

7、D33V2U51R2412CVDD5V20ΩR29B12U8GPB0/TOUT0Q6182kA0VCC27A1WP36IICSCLEA2SCL4VSSSDA5IICSDA24C02PWM蜂鸣器EEPROMCOMPANY:飞凌嵌入式技术有限公司AATITLE:DRAWN:DATED:OK2440_III型开发板CHECKED:DATED:CODE:SIZE:DRAWINGNO:REV:QUALITYCONTROL:DATED:RELEASED:DATED:SCALE:SHEET:OF654321REVISIONRECORDLTRECONO:APPROVED

8、:DATE:DDVDD33VR174.7IICSDAAIN6/TSXMR210T