LAPIS Semiconductor ML620Q151A User Manual page 14

3. Function of EVA Board
3.1 RS232C Communication Circuit
P43/AIN7/TXD0 and P42/AIN6/RXD0 are disconnectable from the RS232C circuit by using the TXD jumper and
RXD jumper.
Connector for
Reference Board (CN2)
P43/AIN7/TXD0
P42/AIN6/RXD0
FEBL620Q150ARB-01
TXD0
11
10
1Mohm
RXD0
12
9
1
0.22uF
3
VDD
16
0.1uF
15
AIN7
AIN6
Fig.11 RS232C Communication Circuit
ML620Q150A Series Reference Board User's Manual
ILC3232
14
T1OUT
T1IN
7
T2IN T2OUT
13
R1IN
8
R2IN
R1OUT
R2OUT
4
C2+
C1+
5
C2-
C1-
2
V+
VCC
6
V-
VSS
FEBL620Q150ARB-01
1
DCD
2
RXD
3
TXD
4
DTR
5
VSS
6
DSR
7
RTS
8
CTS
9
RI
0.22uF
9pin D-SUB
Connector
0.22uF
0.22uF
13