Technical information

4
3. Pin Arrangement of the H-UDI Port Connector
Figure3.1 shows the pin arrangement of the H-UDI port connector.
Pin 1 mark
Pin 1 mark
Top view
H-UDI port connector
Pin 1
Pin 8
Pin 7
Pin 14
Pin No.
1
2
3
4
5
6
7
8 to 10
12 to 14
11
Note: 1. Input or output from the user system.
2. The symbol (#) means that the signal is active-low.
3. By detecting GND on the user system side, connection or
disconnection with the user system can be determined.
4. Connect Vcc with the Vcc of the MCU.
MCU
Input/Output *1
ETCK
ETRST#
ETDO
RES# *2
ETMS
ETDI
RES# *2
GND *3
Vcc *4
Input
Input
Output
Input
Input
Input
Output
Pin Name
Figure 3.1 Pin Arrangement of the H-UDI Port Connector