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MA8621设计USB2.0HUB带SD读卡扩展芯片原理图
2022-04-11 | 阅:  转:  |  分享 
  
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REXT
DM
DP
SRST
PSELF
DRV
LED1_SCL
54321
CON1
VDDR33
USB-A-TYPEJ1
USB-A3-TYPEDRVDCJackVCC5VCON2
1DC-JACK-009SD\MMC
VBUS_5V
VBUS
LED-PORT1LED-PORT2LED-PORT31SD\MMC
2
DMLED-0805LED-0805LED-0805
D-
2C1D29
DAT2
3DP310uFD31
DD+DAT3D
C0603CMD2
CMD
43
GNDGND
R1R2R34
V33F
VDD

470R470R470RCLK5
CLK
USB1R0603R0603R06036
GND
USBCOND07
DAT0
D18
USB-DIP-LVCC5V
DAT1
LED1_SCLVDD5VBUS_5VVDD33
1LED2LEDD111
VCCCD
VCC5VVBUS_5V
1N581710
WRPTn
C2DO-214AC
2DM1100uF/16VR4
D-
CAPR\11R/NC
VDD5VCC5V
3DP1R0603
D+

4C3C4
GND
10uF10uFU1
USB2C0603C0603QFN-40
CC
USBCONCON3
USB-DIP-LVCC5VTF
1CARD\MSD-A
VCC
10
WP
C5LED21309
VDD12
LED2VDDR12CD1
2DM2100uF/16VD2229
D-DATA2VDDU
CAPR\1D3328D21
DATA3GNDDAT2
3DP2CMD427DP1D32
D+CMDDP1DAT3
5263
DM1CMD
VDDR33
VDD33DM1CMD
625DP24
MA8621
V33FV33F
VDD33FDP2VDD
4CLK724DM2CLK5
GNDCLKDM2CLK
D0823DP36
DATA0DP3VSS
D1922DM3D07
USB3
DATA1DM3DAT0
10218
USBCOND1
GNDGNDDAT1
USB-DIP-LVCC5V
1
VCCLF
BB
C6
2DM3100uF/16V
D-
CAPR\1
3DP3
D+
4XI
GND
DRVR64.7K/NCR0603
VDD33
R5XO
1RPSELFR74.7K/NCR0603
VDD33
R0603
R8Y1REXTVDDR33VBUS_5V
4.7K12MHz
R0603XTAL
VDD33VDDR33VDD12
XIXOVBUS_5VVBUS_5V
SRSTR9
AA
330R
C7R0603C10C11C12C13C14TTTiiitttllleee
1uFC8C910uF10uF10uF10uF10uFMMMAAA888666222111___QQQFFFNNN444000___DDDeeemmmoooBBBoooaaarrrddd
C060318pF18pFC0603C0603C0603C0603C0603
C0603C0603SSSiiizzzeeeDDDooocccuuummmeeennntttNNNuuummmbbbeeerrrRRReeevvv
AAAMMMAAA888666222111000...111
DDDaaattteee:::WWWeeedddnnneeesssdddaaayyy,,,MMMaaayyy222888,,,222000111444SSShhheeeeeettt111ooofff111
54321
1140
GNDLED1
LED1239
LEDDRV
1338
VDDR33VDD5
1437
GNDPSELF
1536
VDD5VBUS_IN
1635
GNDSRST
1734
SDADP
1833
GNDDM
1932
XOREXT
2031
XIVDDR33
11121312
GNDGNDGNDGND
献花(0)
+1
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