Document:
SHARKY - User’s Guide
2020/07/20
4. Connectors
The following picture shows the connectors of the three Sharky types. The following MCU
pins are used internally and not exposed in connector:
PIN
NAME/FUNCTION
Connected to:
2
PC14-OSC32_IN
32.768 KHzquartz oscillator
3
PC15-OSC32_OUT 32.768 KHz quartz oscillator
25
OSC_IN
32 MHz quartz oscillator
24
OSC_OUT
32 MHz quartz oscillator
21
RF1
2.4 GHz Filter
26
AT0
n.c.
27
AT1
n.c.
34
VDDSMPS
VCC
33
VLXSMPS
SMPS circuit
31
VFBSMPS
SMPS circuit
32
VSSSMPS
SMPS circuit
23
VDDRF
Filter Capacitors
22
VSSRF
Filter Capacitors
EP
EP
GND
Table 1. Module internal pins
Doc: UG_MDX-STWBx, Rev 1.6
pag. 18 of 57