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Renesas MCU Board for PC4400 Emulator System M34282T5-OPT User Manual

Page 23

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Figure 4.8 Pin layout of 20-wire normal-pitch cable

Table 4.9 20-wire normal-pitch cable pin assignments

*1 The V

DD

does not input the power supply voltage from the target system, but outputs from the

power circuit on the M34282T5-OPT to the target system.

The V

DD

can output by setting the switch SW1. For how to set the switches, refer to "4.3 Switches"

(page 15).

*2 X

IN

is input from the oscillator circuit board OSC-2 and cannot be input from the oscillator circuit

board on the target system.

When changing the system clock frequency, change the frequency of the oscillator circuit board
OSC-2 to use.

1

V

SS

20

V

DD

2

E

2

19

CARR

3

E

1

18

D

0

4

X

IN

(not connected)

17

D

1

5

X

OUT

(not connected)

16

D

2

6

E

0

15

D

3

7

G

0

14

D

4

8

G

1

13

D

5

9

G

2

12

D

6

10

G

3

11

D

7

20-wire normal-pitch cable