4. Connectors
S5U1C17F57T Manual
Seiko Epson Corporation
15
(Rev.1.1)
4.1.2
Debug Interface Connectors (CN2-1 to CN2-2)
Table 4.5 Pin assignment table for CPU board debug interface connector (CN2-1)
No.
Terminal name
I/O
Function
1
DCLK
O
Clock signal for debugging
2 GND
-
Power supply (GND)
3 DSIO
I/O
Serial
communication I/O signal for
debugging
4
DST2
O
Debug status signal
Note: The No.1 pin position of the CN2-1 (J5) connector is shown above. When connecting the ICDminiVer.2
to this board, confirm the direction of the connector carefully.
Table 4.6 Pin assignment table for CPU board interface connector (CN2-2)
No.
Terminal name
I/O
Function
1 VPP
I
Flash memory programming power
supply input
2 GND
-
Power supply (GND)
3
RESET
I
Reset signal input for the target
4 VCCIN
O Target
voltage
output
4.1.3
Power Supply Connector (CN3)
Table 4.7 Pin assignment table for CPU board power supply connector (CN3)
No.
Terminal name
I/O
Function
1 V
DD
-
Power supply (+)
2 GND
-
Power supply (GND)
4.1.4
USB Connector (CN4)
Table 4.8 Pin assignment table for CPU board USB connector (CN4)
No.
Terminal name
I/O
Function
1 VBUS
-
Power supply (+5V)
2 D-
I/O
D-
3 D+
I/O
D+
4 ID
-
Unconnected
5 USBGND
-
Power supply (GND)
4 3 2 1
1 2 3 4
