RabbitCore RCM3315, User Manual, Page: 76 / 160

70 RabbitCore RCM3305/RCM3315
A.1.1 Headers
The RCM3305/RCM3315 uses headers at J3 and J4 for physical connection to other
boards. J3 and J4 are 2 × 17 SMT headers with a 2 mm pin spacing. J1, the programming
port, is a 2 × 5 header with a 1.27 mm pin spacing.
Figure A-3 shows the layout of another board for the RCM3305/RCM3315 to be plugged
into. These values are relative to the mounting hole.
Figure A-3. User Board Footprint for RCM3305/RCM3315
J1
1.125 (28.6)
1.341 (34.1)
J3 J4
RCM3300 Series
Footprint
0.079
(2.0)
0.100
dia
(2.5)
0.020 sq typ
(0.5)
0.079
(2.0)
0.303
(7.7)
1.199 (30.5)
1.147 (29.1)
0.328
(8.3)
0.953
(24.2)
1.135 (28.8)
1.043 (26.5)
0.010 (0.25)
1.205
(30.6)