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FT121Q-R Arkusz danych(PDF) 33 Page - Future Technology Devices International Ltd.

Numer części FT121Q-R
Szczegółowy opis  Enhanced USB Device Controller with SPI Slave IC
PDF  46 Pages
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Producent  FTDI [Future Technology Devices International Ltd.]
Strona internetowa  http://www.ftdichip.com
Logo FTDI - Future Technology Devices International Ltd.

FT121Q-R Arkusz danych(HTML) 33 Page - Future Technology Devices International Ltd.

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Copyright © 2014 Future Technology Devices International Limited
33
Document No.: FT_000648
FT121 ENHANCED USB DEVICE CONTROLLER WITH SPI SLAVE IC
Datasheet Version 1.2
Clearance No.: FTDI#
312
7 Application Information
Figure 7-1 shows a reference application circuit for a USB bus-powered application. Figure 7-1 shows a
reference application circuit for a USB self-powered application.
FT121
1
2
3
4
5
SHIELD
Ferrite
Bead
VCC
VOUT3V3
DM
DP
VCCIO
VCC
RESET_n
100nF
10nF
27R
27R
MCU
VCC3V3
VCC
SUSPEND
MOSI
MISO
SCLK
SS_n
INT_n
VBUS_S
MOSI
MISO
SCLK
SS#
GPIO
100nF
VCC3V3
GPIO
10k
10k
47pF
100nF
4.7uF
+
VCC
47pF
Figure 7-1 FT121 bus powered application
FT121
1
2
3
4
5
SHIELD
VCC
VOUT3V3
DM
DP
VCCIO
VCC
RESET_n
100nF
27R
27R
MCU
VCC
VCC
SUSPEND
MOSI
MISO
SCLK
SS_n
INT_n
VBUS_S
GPIO
MOSI
MISO
SCLK
SS#
GPIO
100nF
VCC3V3
470k
1M
47pF
47pF
10k
10k
VCC3V3
1M
1M
100nF
4.7uF
+
VCC
Figure 7-2 FT121 self powered application



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