OPERATION GUIDE
OG_STD-601B_v40e
Circuit Design, Inc.
8
Terminal
Terminal
Input/
Input/Output level (V)
Internal equivalent circuit
No.
name
Output
Low
Hi
8-10
GND
-
-
-
GND terminal.
All the GND terminals should be connected to a
wide GND plane.
11
NC
Do not connect.
12
NC
Do not connect.
13
RXD
Input
0 to 0.15
Vcc -0.4 to Vcc
UART input terminal
Make sure to perform communication with the
bit rate previously set.
* Can be changed with the command (See
10.8
"@U" UART bit rate setting
).
Default settings for UART
communication
Bit rate
19.2 kbps *
Data length
8 bits
Parity
none
Stop bits
1 bit
14
TXD
Output
0 to 0.4
Vcc x 0.67 to Vcc
UART output terminal
Make sure to perform communication with the
bit rate previously set.
* Can be changed with the command (See
10.8
"@U" UART bit rate setting
).
Default settings for UART
communication
Bit rate
19.2 kbps *
Data length
8 bits
Parity
none
Stop bits
1 bit