AU6438-BS 28PIN V1.00 读卡器原理图设计

VSS BS MSDATA1 MSDATA0 MSDATA2 INS MSDATA3 SCLK VCC VSS C12 MS Connector 1UF
B
C11 NC
SD/MMC/MMC4.0 Combo Connector
A
A
Disclaimer: This schematic is for reference only. Alcor Micro Corp. makes no warranty for the use of its products and bears no responsibility for any error that appear in this document. Specifications are subject to change without notice.
New release.
DATE
2012/08/16
BY
Nick
D
D
C
C
B
Байду номын сангаас
B
A
Alcor Micro Corp.
Title <Title> Size A Date:
5 4 3
A
Document Number AU6438-BS 28PIN Thursday, August 16, 2012
2
Rev 1.00 Sheet 2
1
of
2
600 DM DP U2 SDCDN R1 LED VCC3.3 330 CTRL1 CHIPRESETN R2 680 DP DM XI XO VCC1.8 C_V33 XI NC Y1 CHIPRESETN C3 0.47UF C_V33 C_V33 DATA2 DATA3 DATA4 SDCMD CTRL2 CTRL0 SD_V33 R9 DATA6 0 CTRL0_A 9 1 10 2 11 3 4 5 12 6 13 7 8 14 15 CN1 SDDATA2 SDDATA3 SDDATA4 CMD SDDATA5 VSS VDD CLK SDDATA6 VSS2 SDDATA7 SDDATA0 SDDATA1 SDCDN GND SDWP 1UF 0.1UF C4 C5 AU6438-BS 1UF 2.2UF NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SDCDN CTRL1 GPON7 CHIPRESETN REXT V33APHY DP DM VSSAREG XI XO VSS V18 C_V33 DATA1 DATA0 CTRL3 DATA6 CTRL0 CTRL2 SDCMD DATA4 DATA3 DATA2 MSINS VSSHM V33 AVDD5V 28 27 26 25 24 23 22 21 20 19 18 17 16 15 C6 DATA1 DATA0 CTRL3 DATA6 CTRL0 CTRL2 SDCMD DATA4 DATA3 DATA2 MSINS VCC3.3 VCC R6 C7 1_0603 0.1UF
批注本地保存成功开通会员云端永久保存去开通
5
4
3
2
1
VCC3.3 VCC 8 7 6 5 VCC WP SCL SDA U1 A0 A1 A2 GND 1 2 3 4
D
FB1
D
CTRL2 CTRL3 C1
USB1 VCC DD+ GND Shield1 Shield 2 Mini USB-B 1 2 3 4 5 6 FB2 0
24C04A
CN3 DATA2 DATA3 SDCMD SD_V33 CTRL0_A DATA0 DATA1 SDCDN CTRL1 9 1 2 3 4 5 6 7 8 10 11 SDDAT2 SDDAT3 CMD VSS VDD CLK VSS SDDAT0 SDDAT1 SDCD SDWP
C
D1 VCC3.3
CTRL1 16 R10 0
CTRL0 and CTRL0_A trace length shorter , surround with GND.
CTRL3 C10 DATA0 DATA1 1UF SDCDN CTRL1 C13 NC
CTRL0 DATA1 DATA0 DATA2 MSINS CTRL1_B DATA3
VCC3.3
R4
C
C2 18P
SD Connector C8
If external EEPROM function is used, please use 4-bit connector on SD card interface.
C9 18P
12MHz XO
CN2
B
CTRL1 and CTRL1_B trace length shorter , surround with GND.
5 4 3
Alcor Micro Corp.
Title <Title> Size A4 Date:
2
Document Number AU6438-BS 28PIN Thursday, August 16, 2012 Sheet
1
Rev 1.00 1 of 2
5
4
3
2
1
Version List: ITEM Version 1.00 1 Change Reason