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4. The P60 to P67 pins are CMOS large-current ports in the MCU, but in the emulator, they are
normal ports. However, when this user system interface cable is used, a large current of I
OL
=
10.0 mA (max.) can be output from the ports by changing the P5 jumper setting. Note that when
the jumper is set to the large-current mode, the P60 to P67 pins become output ports.
Terminals 1 and 2 of jumper P5 are closed: Large-current output ports.
To use the external clock on the user system as the system clock
The pins are set to be normal output ports at shipment.
To E6000
emulator
station
P60
.
.
.
P67
P5
22
123
P60
.
.
.
P67
To user system
Bus switch
Ω
AC244
Figure 10 P60 to P67 Interface Circuit
16