Connectors; 20-Pin Legacy Connector (J1) - Epson S5U1C31001L1200 Manual

4. Connectors

4. Connectors

4.1 20-pin Legacy Connector (J1)

Table 4.1 20-pin Legacy Connector (J1) Pin Assignment Table
No Name
1 VTref
2 –
3 –
4 GND
5 –
6 GND
7 SWDIO
8 GND
9 SWDCLK
10 GND
11 –
12 GND
13 –
14 GND
15 nRESET
16 GND
17 –
18 GND
19 +5V
20 GND
4
I/O
O Reference voltage of the target MCU
– N.C.
– N.C
P GND
– N.C.
P GND
I/O Serial wire data input/output
P GND
I Serial wire clock input
P GND
– N.C.
P GND
– N.C.
P GND
I Target MCU reset
P GND
– N.C.
P GND
P (I) DC +5 V input
P GND
Figure 4.1 20-pin Legacy Connector (J1) Pin Assignment
Seiko Epson Corporation
Description
S5U1C31001L1200 (Bridge Board Ver. 2)
Manual (Rev.1.0)