Tx Rx RTS DTS
RX T X
P N 6 1 7 2 9 -S 1 0 n 1 0 0 n 1 0 0 n 4 .7 u
+5 V
G N D
F e rr it B e a d
+5
V G N D G N D
+5
V RX
TX 22
0
22 0
F T 2 3 2 R L
In fo D AT A
G N D
J1
1
X 3
1234
C 1 C 2 C 3 C 4
L 1
LE D1
LE D2 R2
R3
IC 1
VCC20 3V3OUT17 USBDP15 USBDM16OSCO28OSCI27 GND7
TXD1 RXD5 RTS3 CTS11 DTR2 DSR9 DCD10 RI6 CBUS023 CBUS122 CBUS213 CBUS314 CBUS412
VCCIO4 RESET19 GND25 GND18
TEST26 GND21
J2
1
US B
+