文本說明案例evb-335x

1、54321DDCCBB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說批日版Saturday,March28,頁1 23 5432154321DDCCBB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說批日版Saturday,March28,頁1 23 5432154321PCB DD-TOP LEVEL CoM-335XSTERSUPPLY RMII ETHERNET LCD RGB565 USB HOSTUSB DESIGN DESIGNletextforinformational design notes .CCDESIGNletextforcautionary desi

2、gn notes.PCBDESIGNletextforcritical design notes.&CAN&IIC IIS AUDIOBAT & WDG & BZ & ULED MICRO SD CARDGPMC BUS KEYPADS & ADC RTC & EEPROMSPI FLASH & LAYOUT letextforcritical layout guidelines.BBPCB層數(shù)：四54321PCB DD-TOP LEVEL CoM-335XSTERSUPPLY RMII ETHERNET LCD RGB565 USB HOSTUSB DESIGN DESIGNletextfo

3、rinformational design notes .CCDESIGNletextforcautionary design notes.PCBDESIGNletextforcritical design notes.&CAN&IIC IIS AUDIOBAT & WDG & BZ & ULED MICRO SD CARDGPMC BUS KEYPADS & ADC RTC & EEPROMSPI FLASH & LAYOUT letextforcritical layout guidelines.BBPCB層數(shù)：四PCB尺寸市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說PCB日批

4、版Saturday,March28,頁第 23 5432154321PCB DD固板螺LAYOUT 與CoM-335x的定位孔對應LAYOUT 雙拼板，注意MARK點設置CCBB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說批日版Saturday,March28,頁3 23 54321DESIGN54321PCB DD固板螺LAYOUT 與CoM-335x的定位孔對應LAYOUT 雙拼板，注意MARK點設置CCBB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說批日版Saturday,March28,頁3 23 54321DESIGN 結構固定鏍 5 5 5 5 54321D

5、PIODCCBBAA市盈鵬飛科設日名業(yè)單板電校日EVB-335X-審日說PIO批日版Saturday,March28,頁4 頁共 23 54321GPIO0GPIO1GPMCD0(MMC1GPIO2GPMCGPIO3RMII2GPIO0GPIO1GPMCD1(MMC1GPIO2GPMCGPIO3RMII1CRSUSERGPIO0LCDGPIO1I2C1SCL(UART4GPIO2LCDGPIO3UART2GPIO0LCDGPIO1UART0GPIO2LCDGPIO3UART2GPIO0I2C2SCL(CAN0GPIO1GPMCGPIO2LCDGPIO3USB1GPIO0UART154321DP

6、IODCCBBAA市盈鵬飛科設日名業(yè)單板電校日EVB-335X-審日說PIO批日版Saturday,March28,頁4 頁共 23 54321GPIO0GPIO1GPMCD0(MMC1GPIO2GPMCGPIO3RMII2GPIO0GPIO1GPMCD1(MMC1GPIO2GPMCGPIO3RMII1CRSUSERGPIO0LCDGPIO1I2C1SCL(UART4GPIO2LCDGPIO3UART2GPIO0LCDGPIO1UART0GPIO2LCDGPIO3UART2GPIO0I2C2SCL(CAN0GPIO1GPMCGPIO2LCDGPIO3USB1GPIO0UART1GPIO1GPM

7、CGPIO2LCDGPIO3GPIOGPIO0USB0GPIO1GPMCGPIO2UART3GPIO3MCASP1GPIO0GPMCGPIO1GPMCGPIO2LCDGPIO0GPMCGPIO1GPMCGPIO2LCDGPIO0GPMCGPIO1GPMCA10(rmii2GPIO2MMC0GPIO0GPMCGPIO1GPMCA11(rmii2GPIO2MMC0GPIO0GPMCWAIT0(rmii2GPMCCSn1(MMC1GPIO2MMC0GPIO0GPMCGPIO1GPMCCSn2(MMC1GPIO2MMC054321-25March, -DDCCBB市盈鵬飛科AA設日名業(yè)單板電校日EVB

8、-335X-審批說版Saturday,March28,頁5 頁共23 5432154321-25March, -DDCCBB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審批說版Saturday,March28,頁5 頁共23 54321GPIO3 DESIGN GPIO3 DESIGN GPIO功能分配中斷分配IOIOIO功能分GPIO 功能分USER 中斷分擴展串口中市盈鵬飛科 IIC2設日名工業(yè)單板電校日EVB-335X- Back 審日說TOP 批日版Saturday, March 28, 頁6 23 DESIGN 1）GPMC(GPMC_A0-A11)可作2）CoM-335x的P

9、IN(42-除PIN43可以用為GPIODESIGN 1）GPMCCoM-335x(PIN23-可作為GPIO或者LCD信號用2）CoM-335x的PIN(32-已經模塊上被為數(shù)據總線或者EMMCDESIGN 1）GPMC(GPMC_A0-A11)可作2）CoM-335x的PIN(42-除PIN43可以用為GPIODESIGN 1）GPMCCoM-335x(PIN23-可作為GPIO或者LCD信號用2）CoM-335x的PIN(32-已經模塊上被為數(shù)據總線或者EMMC的數(shù)據線，不可再用為GPIODESIGN U1提高2C0的驅動能力,與R13R14作兼容設計。 U1可根據實際情況焊接。市盈鵬飛

10、科LAYOUT設日名工業(yè)單板電LCDD_CLK做等校日EVB-審日說CoM-335X-批日版Saturday, March 28, 頁7 23 LAYOUTUSB,Differentialpair差分阻抗90DESIGN 移動的應用（電池供電VDD_5VA為主電源輸VDD_SS作為工程底板的電源輸出。 EVB_PREN，作為底板電源上電控制信號。非移動應用：VDD_USB (79,80腳)1，移動應用：用于電源管理，通過USB口給鋰電池充電。 2，非移動應用：空置。PMIC_Bx (66-69)腳處1，移動應用：用于電池管理2，非移動應用：空置54321ER13D2DPJ- 4321 U2 2

11、1CC738544DESIGN增板PMIC電源指 46100NF 9 BB3.3V43V UN_10K 125DESIGN采用CoM-335X的PMIC供電接口板DESIGN市盈鵬飛科讓整個評估板具備電源管理功能AA設日名業(yè)單板電校日EVB-335X-審日說ER批日版Saturday,March28,頁8 23 5432154321ER13D2DPJ- 4321 U2 21CC738544DESIGN增板PMIC電源指 46100NF 9 BB3.3V43V UN_10K 125DESIGN采用CoM-335X的PMIC供電接口板DESIGN市盈鵬飛科讓整個評估板具備電源管理功能AA設日名業(yè)單

12、板電校日EVB-335X-審日說ER批日版Saturday,March28,頁8 23 5432154321DDR24 R25 R26 49 D R31 1% 10R RXD0/MODE0 2 1% 10R 7R33 1% 10R CC 32R36 UN LED2/ PHYAddress/ModeSelect BB56XTAL1/CLKR41 LAYOUT C19&C20去耦電容應該盡量靠近CRS_DV/MODE2 4470PF 1423DESIGNNOTE:PHYAddress/ModeResistors分別設置PHY地址和工作模式設置PHY地址DESIGN設計參考i.MX50 LAN872

13、0A，默認上市盈鵬飛科晶振電容，公板上用了30PF，可調AA設日名業(yè)單板電校日EVB-335X-審日說RMII批日版Saturday,March28,頁9 23 5432119YELLOW12345678GREEN75ohmx11 12 54321DDR24 R25 R26 49 D R31 1% 10R RXD0/MODE0 2 1% 10R 7R33 1% 10R CC 32R36 UN LED2/ PHYAddress/ModeSelect BB56XTAL1/CLKR41 LAYOUT C19&C20去耦電容應該盡量靠近CRS_DV/MODE2 4470PF 1423DESIGNNOT

14、E:PHYAddress/ModeResistors分別設置PHY地址和工作模式設置PHY地址DESIGN設計參考i.MX50 LAN8720A，默認上市盈鵬飛科晶振電容，公板上用了30PF，可調AA設日名業(yè)單板電校日EVB-335X-審日說RMII批日版Saturday,March28,頁9 23 5432119YELLOW12345678GREEN75ohmx11 12 R30 10 R34 3569 ETH_L 754321VDD_5VA U5 DESIGN24位LCD接 定 0DD123456789 U6 CCU7 DESIGN使用 BB5 432 1 M1市盈鵬飛科DESIGN背光通

15、過CPU控制打AA設日名業(yè)單板電校日EVB-335X-審日說RGB565批日版Saturday,March28,頁10 23 54321123456125243218 317 416 515 678954321VDD_5VA U5 DESIGN24位LCD接 定 0DD123456789 U6 CCU7 DESIGN使用 BB5 432 1 M1市盈鵬飛科DESIGN背光通過CPU控制打AA設日名業(yè)單板電校日EVB-335X-審日說RGB565批日版Saturday,March28,頁10 23 54321123456125243218 317 416 515 6789DR 10 DR 18

16、17 16 15 14 13 12 11 10 C26 DR 18 17 16 15 14 13 12 11 10 C23 R44不焊，R45焊R44焊接，R45不54321DESIGN注意：SN75LVDS83B的每 組信號,U9 DACM2012-900-D 23 314 4 67ACM2012-900- 23 14 ACM2012-900- 23 14CC LCDD_VSYNC 2ACM2012-900- 823DESIGN不同的屏HS,DE,VS信號順序不 143546 ACM2012-900-2 31BB 19 5 24bitLVDS液晶屏信號DESIGN NOTE: 有效觸發(fā)上升沿

17、有市盈鵬飛科R64焊接,R66AA設日名業(yè)單板電校日EVB-335X-R64不接,R66下降沿有審54321DESIGN注意：SN75LVDS83B的每 組信號,U9 DACM2012-900-D 23 314 4 67ACM2012-900- 23 14 ACM2012-900- 23 14CC LCDD_VSYNC 2ACM2012-900- 823DESIGN不同的屏HS,DE,VS信號順序不 143546 ACM2012-900-2 31BB 19 5 24bitLVDS液晶屏信號DESIGN NOTE: 有效觸發(fā)上升沿有市盈鵬飛科R64焊接,R66AA設日名業(yè)單板電校日EVB-335

18、X-R64不接,R66下降沿有審日說RGB565默認為低電平,下降沿有批日版Saturday,March28,頁11 頁54321254321DD U10 51VIN 243 + CCUSB-TYPE-ACM2012-900-USBLC6-1461235243GBB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說USB批日版Saturday,March28,頁12 23 5432154321DD U10 51VIN 243 + CCUSB-TYPE-ACM2012-900-USBLC6-1461235243GBB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說USB批日版Sat

19、urday,March28,頁12 23 5432154321DD U12 51VIN 243 +1235 4GND CC981261 345257643USBLC6-BBLAYOUT 靠近USB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說USB批日版Saturday,March28,頁13 23 5432154321DD U12 51VIN 243 +1235 4GND CC981261 345257643USBLC6-BBLAYOUT 靠近USB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說USB批日版Saturday,March28,頁13 23 543215432

20、11 34LAYOUT CN11增加說明字符“(COM0-CN12增加說明字符 D2D 561234WF2001-7127349898WF2001-CC1 34LAYOUT CN13添加說明字符 2CN14添加說明字符 56123BB4WF2001-7127349898WF2001-LAYOUT 濾波電容靠近接插市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說批日版Saturday,March28,頁14 23 54321543211 34LAYOUT CN11增加說明字符“(COM0-CN12增加說明字符 D2D 561234WF2001-7127349898WF2001-CC1 3

21、4LAYOUT CN13添加說明字符 2CN14添加說明字符 56123BB4WF2001-7127349898WF2001-LAYOUT 濾波電容靠近接插市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說批日版Saturday,March28,頁14 23 5432154321DD1 34 2 561234WF2001-77CC9898BB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說RS232批日版Saturday,March28,頁15 23 5432154321DD1 34 2 561234WF2001-77CC9898BB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335

22、X-審日說RS232批日版Saturday,March28,頁15 23 5432154321 C70 U18 U20 123512867RO VCC 2398 AD434DGND 557 4 61SDA/VCC 12 U22 12351286 RO 3443475GND 56 DI CC CAN0與I2C2U23 BB 3217CAN0_RX 5 86DESIGNI2C2復用，可控制電容觸摸屏1即CN17可做電容屏接口使23市盈鵬飛科AA設45日名業(yè)單板電LAYOUT CN17添加說明字符 校日6EVB-335X-審日說&CAN&日批版Saturday,March28,頁16 23 5432

23、11423 54321 C70 U18 U20 123512867RO VCC 2398 AD434DGND 557 4 61SDA/VCC 12 U22 12351286 RO 3443475GND 56 DI CC CAN0與I2C2U23 BB 3217CAN0_RX 5 86DESIGNI2C2復用，可控制電容觸摸屏1即CN17可做電容屏接口使23市盈鵬飛科AA設45日名業(yè)單板電LAYOUT CN17添加說明字符 校日6EVB-335X-審日說&CAN&日批版Saturday,March28,頁16 23 543211423 54321 D DU24 CN18 2416V 531216

24、V Green R127 C81 10K 100PF CC LAYOUT TVS管靠近對應的接 34 5612 3 78 9 100NF BB DRVSS U25 MIC5247-1 152 34市盈鵬飛科 AA設日名業(yè)單板電校日EVB-335X-審日說IIS批日版Saturday,March28,頁17 23 54321 Y3 1NC GND423 54321 D DU24 CN18 2416V 531216V Green R127 C81 10K 100PF CC LAYOUT TVS管靠近對應的接 34 5612 3 78 9 100NF BB DRVSS U25 MIC5247-1 1

25、52 34市盈鵬飛科 AA設日名業(yè)單板電校日EVB-335X-審日說IIS批日版Saturday,March28,頁17 23 54321 Y3 1NC GND423 54321DDCCBB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說批日版Saturday,March28,頁18 23 54321232354321DDCCBB市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說批日版Saturday,March28,頁18 23 54321232354321DDUN_FDN304PZ 2313 1 2CC 68K 68K 68K 68K 10K 10KCN20 Molex-47

26、352- 12 345 67 89BB 市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說MICROSD批日版Saturday,March28,頁19 23 5432156784321 54321DDUN_FDN304PZ 2313 1 2CC 68K 68K 68K 68K 10K 10KCN20 Molex-47352- 12 345 67 89BB 市盈鵬飛科AA設日名業(yè)單板電校日EVB-335X-審日說MICROSD批日版Saturday,March28,頁19 23 5432156784321 54321D DCCBBAA市盈鵬飛科設日名業(yè)單板電校日EVB-335X-審日說GPMC批日版Saturday,March28,頁54321D DCCBBAA市盈鵬飛科設日名業(yè)單板電校日EVB-335X-審日說GPMC批日版Saturday,March28,頁20 23 543211GPMC_54321DDCC651243 A A A BB