ARM核心板M3352硬件设计参考电路_图文.

1 2 3 4 POVDD03030SD VDD_3.3_SD Power POGND GND A VDD_3.3_SD GND PGND A POPGND PGND Data POSD0D000030 POSD0D3 POSD0D2

POSD0D1 POSD0D0 SD_D[0..3] SD_D[0..3] POSD0CMD SD_CMD Ctrl POSD0CLK SD_CLK POSD0WP# SD_WP# POSD0CD# SD_CD# SD_CMD SD_CLK SD_WP# SD_CD# VDD_3.3_SD 10KΩ×4,SMD 10KΩ×4,SMD B 106,10μF 4 3 2 1 PIRP204 PIRP203 PIRP202 PIRP201 PIRP205 PIRP206 PIRP207 PIRP208 4 3 2 1 PIRP304 PIRP303 PIRP302 PIRP301 PIRP305 PIRP306 PIRP307 PIRP308 PIC7501 PIC7502 PIC7601 PIC7602 GND 104,±10% B COC75 C75 COC76 C76 CORP2 RP2 CORP3 RP3 GND SD_D[0..3] SD_D0 SD_D1 SD_D2 SD_D3 COCON12 CON12 4

PICON1204 VDD 7 PICON1207 DAT0 8 PICON1208 DAT1 9 PICON1209 DAT2 1 PICON1201 DAT3 5 6 7 8 5 6 7 8 COC77 C77 COD6 D6 SD_D0 PID604 4 SD_D1 PID605 5 PID606 PID603 3 SD_CD# GND SD_WP# PIC7701 PIC7702 2 PID602

PID601 102,±10% 6 1 COR76 R76 PIR7601 PIR7602 PESD3V3L5UV 1MΩ PGND GND SD Card SD_CMD SD_CLK C SD_WP# SD_CD# 2 PICON1202 CMD 5 PICON1205 CLK COD23 D23 SD_D2 PID2304 4 SD_D3 PID2305 5 SHLD2 SHLD3

PICON12013 PID2303 PID2302 PID2301 3 2 1 COR77 R77 22Ω PIR7701 PIR7801 PIR7702 PIR7802 COR78 R78 22Ω 10 PICON12010 11 PICON12011 12 PICON12012 3 PICON1203 6 PICON1206 GND VSS3 WP CD VSS1 VSS2 PICON12014 13 14 PGND SD_CMD 6 PID2306 GND SD_CLK C PESD3V3L5UV S D 卡座, A X A 2 R 7 3 0 6 1 D Title SDCard AXA2R73061 Size A4 Date: File: 1 2 3 2013-11-14 Sheet of F:\MiniARM M3350\..\SDCARD_AXA2R73061.SchDoc Drawn By: 4 Number Revision V1.03 Quanrui Xu D

1 2 3 106,10μF,± 10%,10V,X5R 4 POVDD05000HOST VDD_5.0_HOST POGND GND POPGND PGND A VDD_5.0_HOST GND PGND VDD_5.0_HOST USB_H1_N USB_H1_P COR116 R116 22Ω PIR11601 PIR11701 PIR11602 PIR11702

USB_H1_1_N COD15 USB_H1_1_P D15 COR117 R117 22Ω POUSB0H10N

USB_H1_N POUSB0H10P USB_H1_P POUSB0H20N USB_H2_N POUSB0H20P USB_H2_P USB_H1_N USB_H1_P PIR1 802 PIR1 801 PIR1 902 COR118 COR119 R118 R119 15KΩ 15KΩ GND PIC130 1 1 PID1501 2 PID1502 3 PID1503 6 PID1506 5 PID1505 4 PID1504 104,±10%,50V,X7R VDD_5.0_HOST PIC12901 PIC12902 A PIC130 2 VDD_5.0_HOST 5 PIF402 PICON805 VBUS2 6 SMD0603P050TF

PICON806 D7 USB PICON807 D+ 8 PICON808 GND COF5 F5 1 PIF501 PIF502 PICON801 VBUS1 2 SMD0603P050TF PICON802 D3 PICON803 D+ 4 PICON804 GND PIF401 COC130 C130 GND COC129 C129 USB_H2_N USB_H2_P PIR1 901 COF4 F4 COCON8 CON8 GND POUSB0H30N USB_H3_N POUSB0H30P

USB_H3_P POUSB0H40N USB_H4_N USB_H3_N USB_H3_P USB_H2_N

USB_H2_P NUP4202W1T2G COR121 R121 22Ω PIR12101 PIR12201 PIR12102

PIR12202 POUSB0H40P USB_H4_P B USB_H4_N USB_H4_P COR122 R122 22Ω PIR12302 PIR12301 COR123 COR124 R123 R124 15KΩ 15KΩ PIR12402 PIR12401 GND A 口, 1 5 . 2 × 1 6 . 4 × 2 1 . 4 , 9 0 ° , 双层 B PGND GND VDD_5.0_HOST USB_H3_N USB_H3_P COR35 R35 PIR3501 PIR6201 22Ω PIR3502 PIR6202

USB_H3_1_N COD11 USB_H3_1_P D11 COR62 R62 22Ω PIR80 2 PIR80 1 PID1102 2 3 PID1105 5 4 PID1103 PID1104 COF2 F2 PIF201 COCON18 CON18 VBUS2 D7