Specifications

TABLE 3 KEY COMPONENTS LIST
MCU U1 BLEQFNPSOC with 56 pins
Crystal
oscillator
Y2 24MHz,12pF
Crystal
oscillator
Y1 32.768KHz,12.5pF
Antenna Parameters
TABLE 4 ANTENNA PARAMETERS
Parameter
Value
Frequency range 2400-2500MHz
Peak gain 1.5dbm
Average gain 0.5dbm
Return loss minimum at -10db
Electrical Specifications
Absolute maximum ratings
TABLE 5 ABSOLUTE MAXIMUM RATINGS
Parameter
Description
Min
Typ
Max
Units
Details/Condi
tions
V
DDD_ABS
Analog, digital, or radio
supply relative to V
SS( VSSD=VSSA)
-0.5 - 6 V Absolute max
V
CCD_ABS
Direct digital core voltage
input relative to V
SSD
-0.5 - 1.95 V Absolute max
V
DD_RIPPLE
Supply voltage ripple with
maximum input voltage V
DD and
V
DDR
- - 100 mV Ripple
frequency
100KHz-750KHz
when the
supply
voltage is 3V
V
GPIO_ABS
GPIO voltage -0.5 - VDD+0
.5
V Absolute max
I
GPIO_ABS
Maximum current per GPIO -25 - 25 mA Absolute max
6 of 18