 Operational Specifications
Operational Specifications 3.2 User Through-hole 
Rev.1.0 July 21, 2006  3-11
REJ10J0952-0100     
3 
3.2 User Through-hole M3A-HS25 has the user trough-holes (12 x 8pc.) 
The user trough-holes are not connected to VCC, GND and signal lines, so users are free to use them. 
Figure 3.2.1 shows pin assignments of the user trough-hole. 
Board 
edge
Top view of the 
component side
Board 
edge
UH1
12345678
A
B
C
D
E
F
G
H
J
K
L
M
 F igure 3.2.1 Pin assignments of the user trough-hole