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3. Pin Arrangement of the H-UDI Port Connector

Figure3.1 shows the pin arrangement of the H-UDI port connector.

Pin 1 mark

Top view

H-UDI port connector

Pin 1

Pin 8

Pin 7

Pin 14

Pin No.

8 to 10

12 to 14

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

Output

Input

Output

Pin Name

Figure 3.1 Pin Arrangement of the H-UDI Port Connector

1 2 3 4 5 6 7 8 9 10 11

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Renesas H8S/2158 Informations techniques Page 6