Product Manual

XR3 Datasheet
6
2 Module Interfaces
2.1 Dimensions and Footprint
XR3 has three rows of 22 pins with a 2 mm pin spacing.
The XR3 dimensions (H x W x D) are 3.3±0.15 mm x 16±0.3 mm x 24±0.3 mm. The PCB
thickness is 0.8±0.1 mm. The shield cover height is 2.5±0.05 mm. Figure 1-1 shows the
XR3 front and rear views.
Figure 1-1 XR3 front and rear views
2.2 Interface Pin Definition
Table 2-1 XR3 interface pins
Pin No.
Symbol
I/O Type
Function
1
NC
N/A
N/A
2
ADC
AI
ADC pin (See the following Note 2.)
3
EN
I/O
Enable/Reset pin (This pin is active at a high level,
and is at a high level by default.)
4
PB02
I/O
PB02