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Figure 4.12 Layout of the LED
Some signals connected to the target system are emulated on the M34502T-MCU. For details, see
"6. Connection Circuit Diagram of the M34502T-MCU".
(1) Pins connected directly to the target system (2 types, 3 lines)
•P30, P31*
1
•VSS
(2) Pins connected to the target system via emulation circuits and other devices. (6 types, 18 lines)
•P00 to P03
•P10 to P13
•P20, P21
•D0 to D5*
2
• RESET
•EVDD*
3
(3) Pins not connected to the target system (3 types, 3 lines)
•XIN*
4
•XOUT
• CNVSS
*1 For 4501, 4506 and 4580 Group MCUs, the ports P30 and P31 are not connected to the target
system when the M34501T-PTC is mounted.
*2 For 4501, 4506 and 4580 Group MCUs, the ports D4 and D5 are not connected to the target system
when the M34501T-PTC is mounted.
*3 EVDD does not input the power supply from the target system, but outputs it to the target system
from the power circuit on the M34502T-MCU. The output (ON/OFF) and the power supply (3
V/5 V) of EVDD are changed by the switches SW1 and SW3 respectively.
*4 XIN is input from oscillator circuit board OSC-2 on the M34502T-MCU and cannot be input from
the oscillator circuit on the target system. To change the frequency of the system clock, use
oscillator circuit board OSC-2 (included) with other necessary parts mounted.
4.7 LED
Figure 4.12 shows the LED layout of the M34502T-MCU. The LED lights in green when the power
is supplied.