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FT245BM 3.3v SELF POWERED EXAMPLE

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DECOUPLING CAPS

USB

( Optional )

3.3v MCU or Logic cct

UPDATED 21st January 2003

FT245BM 3.3v SELF POWERED EXAMPLE

EXTERNAL POWER GND

IO10 IO11 IO12 IO13 IO14 IO15 IO16 IO17

IO20 IO21 IO22 IO23

IO24

VCC-3.3V

D0 D1 D2 D3 D4 D5 D6 D7

RD#

WR TXE#

RXF#

PWREN#

VCC

VCC

VCC VCC

VCC VCC3V

VCC3V

R7 1k5

U1

93C46/56/66 1

2 3 4

8 7 6 5 CS

SK DIN DOUT

VCC NC NC GND

R1 10k CN1

CN-USB 1 2 3 4

5

U2

FT245BM 25 24 23 22 21 20 19 5

28 4

32 1 2

29 9

18

17

31

14 15 16

12

10

13

6

30 263

8

7

27

11 D0 D1 D2 D3 D4 D5 D6 RSTOUT#

XTOUT RESET#

EECS EESK EEDATA

AGND GND

D7

GND

TEST

TXE#

WR RD#

RXF#

PWREN#

VCC-IO

3V3OUT AVCC VCC VCC

USBDM

USBDP

XTIN

SI/WU C433nF

R5 27R

R4 27R

Y1 6MHz RESONATOR

R22k2 R6

10k

R3 470R

C50.1uF

C20.1uF C1

0.1uF C310uF

R8 15k

C6 0.1uF

GND VCC 3.3v

VCC 5.0v

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