DECOUPLING CAPS
USB
( Optional )
5v MCU or Logic cct
FT245BM 5v BUS POWERED EXAMPLE WITH POWER SWITCHING
Soft Start Circuit
VCC-5v
GND IO10
IO11 IO12 IO13 IO14 IO15 IO16 IO17
IO20 IO21 IO22 IO23 D0
D1 D2 D3 D4 D5 D6 D7
RD#
WR TXE#
RXF#
VCC
VCC
VCC VCC
VCC VCC
VCC
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
R7 1k
C8 0.1uF R3
470R
C60.1uF
C20.1uF C1
0.1uF C310uF
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
C7 0.1uF Q1
IRLML6402