Renesas Single-Chip Microcomputer M34551T2-MCU - Manual (Page 25)

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Some signals connected to the target system are emulated on the M34551T2-MCU board. For details,
see "Chapter 7. Connection Circuit Diagram".
• Pins connected directly to the target system (6 types, 24 lines)
(1) SEG
0
- SEG
15
(2) COM
0
- COM
3
(3) CARR
(4) D
6
*
(5) D
7
*
(6) V
SS
• Pins connected to the target system via emulation circuits, etc. (6 types, 20 lines)
(1) P0
0
- P0
3
(2) P1
0
- P1
3
(3) P2
0
- P2
3
(4) D
0
- D
5
(5) RESET *
(6) V
DD
• Pins not connected to the target system (5 types, 5 lines)
(1) X
IN
(2) X
OUT
(3) CNV
SS
(4) X
CIN
*
(5) X
COUT
*
* Not connected to the target system when the sub-clock is selected (switch SW8: "XC"). The
external clock signal (32.768 kHz) is input to the X
CIN
pin from the oscillator of the M34551T2-
MCU board. And the X
COUT
pin is not connected.
4.6 LED
Figure 4.9 shows the LED layout of the M34551T2-MCU. The LED lights in green when the power
is supplied to the MCU board.
Figure 4.9 Layout of the LED