fpga开发板原理图

fpga开发板原理图USB转串口电路256色VGA接口VALTXDDTR NOSC2 I27 0SC3OSCIR17512VGA BIRTS N PLL TESTGNDVDD 325 GND AVGiA VS 112VGA BOR1833U.IuHRXDVGA HSR191KRINR20512VGA G2GNDVGA GDSR20ⅤDD5DCD NVGA GOCTS NVO33AI7GNDOIuFV33P2303〈R2R2F6VDDS10K 13-EESIITD NDMH16R27512VGA R2EE DATAD}5VGA RIPL2303-HXIIIC46USBDP0. IuF蜂吗器VDD3.I GND1 2MHZ8550 BEEPlC4810uf钽电容C49OkR361KVDD3.PS2接R1≤12VDDSR2512135VDDSCLK382R40vD冂TitleDate014-3-25G: \ZX 2nol.SchDocDrawn BySDRAM电路VDD3.3DO3DO4 H10四位按键345678DDDQ8SI SW-PBDQ9R43100DQ10R44100BAODQ1250R45100BAIDQ14A5IS4 SW-PBR461003LDOMUDOMSCKENSRASSCLKNSCASR4TR48VDDS P*VDDS10K(10kVSSVDDVDD3VDD3.3VSSQVDDVDD3. 3GNDGNDVDOt C520.lufVDO314516GND HY5/\281620A磁珠42838DAVDDEEPROMVDD3.3GNDVDD3R5(R512 GND VDD F13DAC LDAC R4.7K4.7KREFA LDACVREFHREFB DACAREFC DACBDAC DAT86GNDDATA DACD HODAC CLKCLK LOAD24IC64TC5620R58>R59RR61Header 6DAC LDACDAC LDAC R10K>10K1010KGNDG、DDAC LOADADR6910《滑动电位器的C610.1ufR6R65R6R67⊥0KR701KREFI VCCR71220AD CLKVDDSDATDDSGNDCSAD CSDR73220RTitle74VDDSG: \ZX 2no2Scl25V基准源USB通信端口GNDVDDSR75VBUSVDDSUSBDMO.1UFREFUSBDPF1500GNDVDDSUSBB型GN红灯GNDREF2925GNDGND5V转数字3.3V电路5V转数字12V电路U8 AMS1117 3.3VDDV DD3.VDDSVDDI. 2C6369身voUT10uf1 OutC73Ufo.1uf0.1ufGNDGNDGNDGND5V转25V电路UID AMSI117 2VDDSVOUTVDD2. 51 OutINITitleGNDI GND2 GND3 GND1Date014-3-25G: \Z 2\POWER. SchDocDrawn ByVDD3.3SEGD M127OSEG 1 470R10470SEGR11470SEG 5SEGR_14470SEG7154709 Y7 GnD10Y SCI'GNDVDD3. 3Y4 VDDY3 SASEL20.1ufCSEL0 A114 SELO4HC1 38Dvp3.3Title