FT311D-32L1C-R datasheet(29/40 Pages) FTDI

tên linh kiện	FT311D-32L1C-R

Giải thích chi tiết về linh kiện	USB Android Host IC

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DS_FT311D

USB ANDROID HOST IC Datasheet

Version 1.2

Document No.: FT_000660 Clearance No.: FTDI# 305

8.6 USB to SPI (Master) Converter

FT311D

SHIELD

Ferrite

Bead

GND

3V3

GND

VCCIO

VREGOUT

USBDM

USBDP

1V8 PLL VCC IN

RESET#

100nF

4.7uF

IOBUS4

VCC

3V3

REGULATOR

27R

100nF

3V3

IOBUS0

IOBUS1

IOBUS2

IOBUS3

IOBUS5

IOBUS6

IOBUS7

GND

47pF

CNFG0

CNFG1

CNFG2

GND

SPI SLAVE

e.g. EEPROM,

RTC, CODECs

3V3

10k

SPI_M_CLK

SPI_M_SS#

SPI_M_MISO

SPI_M_MOSI

Figure 8.6 Application Example showing USB to SPI (Master) Converter

This example shows the CNFGx pins set for mode 101 – SPI (Master).

The FT311D SPI Master controls the slave select line and the clock to the external SPI slave.

SPI_M_MOSI is the FT311D data output line which may be Most or Least Significant Bit first.

SPI_M_MISO is the FT311D data input line which may be Most or Least Significant Bit first.

Example SPI Slave devices include memory, RTC, and codec devices.

The unused pins may be left unterminated.

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