Tx Rx RTS DTS RX T X
PN61729-S 10n 100n 100n4.7u
+5 V
GND
Ferrit Bead
+5
V GNDGND
+5
V RX
TX 22 0
22 0
FT232RL
In fo D AT A
GND
J1
1
X3
1234 C1 C2 C3C4
L1
LE D1
LE D2 R2
R3
IC1 VCC20 3V3OUT17 USBDP15 USBDM16
OSCO28OSCI27 GND7
TXD1 RXD5 RTS3 CTS11 DTR2 DSR9 DCD10 RI6 CBUS023 CBUS122 CBUS213 CBUS314 CBUS412
VCCIO4 RESET19 GND25 GND18
TEST26 GND21
J2
1
US B
+