DECOUPLING CAPS
USB
( Optional )
3.3v MCU or Logic cct
FT245BM 3.3v BUS POWERED EXAMPLE UPDATED 21st January 2003
GND RESET#
IO10 IO11 IO12 IO13 IO14 IO15 IO16 IO17
IO20 IO21 IO22 IO23
IO24
VCC-3.3V VCC-3.3V
D0 D1 D2 D3 D4 D5
RSTOUT# D6
D7
RD#
WR TXE#
RXF#
PWREN#
RSTOUT#
VCC
VCC
VCC VCC
VCC VCC
I O
G U2 LDO REGULATOR 3.3v
R6 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
FB1
FERRITE BEAD
1 2
C510nF
C433nF
R5 27R
R4 27R
Y1 6MHz RESONATOR
R22k2 R3 470R
C60.1uF
R7 47k
C20.1uF C1
0.1uF C310uF
C7 0.1uF
U3
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