FT120 Просмотр технического описания (PDF) - Future Technology

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FT120

USB DEVICE CONTROLLER WITH PARALLEL BUS IC

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PIN No.

(TSSOP-

28)

PIN No.

(QFN-

28)

PIN NAME

24

20

VCC

Document No.: FT_000646

FT120 USB DEVICE CONTROLLER WITH PARALLEL BUS IC

Datasheet Version 1.2

Clearance No.: FTDI# 291

TYPE DESCRIPTION

should be left unconnected

P

Power supply (3.3V or 5V)

25

22

USBDM

AIO USB data signal minus

26

23

USBDP

AIO USB data signal plus

27

24

VOUT3V3

P

3.3V regulator output for 5V operation;

To operate the IC at 3.3 V, supply 3.3 V to both

the VCC and VOUT3V3 pins

28

25

A0

I

Address bit for non-multiplexed address/data bus

configuration.

- A0=1 indicates command phase;

- A0=0 indicates data phase.

This pin must be pulled High for multiplexed

address/data bus configuration.

-

29

GND

P

Ground. Die pad for QFN-28 package.

Table 3-1 FT120 Pin Description

Note, symbol used for pin TYPE:

OD : Open Drain Output

O

: Output

IO

: Bi-directional Input and Output

I

: Plain input

AIO : Analog Input and Output

P

: Power or ground

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