Renesas MCU Board for PC4400 Emulator System M34282T5-OPT User Manual page 23

Mcu board for pc4400 emulator system
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Table 4.9 20-wire normal-pitch cable pin assignments
20-wire normal-pitch cable
1
V
SS
2
E
2
3
E
1
4
X
(not connected)
IN
5
X
(not connected)
OUT
6
E
0
7
G
0
8
G
1
9
G
2
10
G
3
*1 The V
does not input the power supply voltage from the target system, but outputs from the
DD
power circuit on the M34282T5-OPT to the target system.
The V
can output by setting the switch SW1. For how to set the switches, refer to "4.3 Switches"
DD
(page 15).
*2 X
is input from the oscillator circuit board OSC-2 and cannot be input from the oscillator circuit
IN
board on the target system.
When changing the system clock frequency, change the frequency of the oscillator circuit board
OSC-2 to use.
Figure 4.8 Pin layout of 20-wire normal-pitch cable
20
V
DD
19
CARR
18
D
0
17
D
1
16
D
2
15
D
3
14
D
4
13
D
5
12
D
6
11
D
7
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