Data Sheet
DOC No: WS2116-A0A-DTS-D03
____________________________________________________________________________________
Copyright © JORJIN TECHNOLOGIES INC. 2018 15
http://WWW.JORJIN.COM.TW
4.9. Internal 50MHz Crystal Oscillator ( for S2-LP )
over operating free-air temperature range (unless otherwise noted)
Parameter
Test Conditions
Min
Typ
Max
Units
Crystal frequency
50
MHz
Crystal frequency tolerance
(1)
Without initial frequency calibration
-40
40
ppm
Crystal frequency tolerance
(2)
Initial frequency is calibrated by software
-20
20
ppm
(1) Includes initial tolerance of the crystal, drift over temperature, aging ( 5 years ).
(2) Includes only drift over temperature, aging ( 5 years ).
4.10. BlueNRG-2 Digital I/O specifications
Ta = 25°C
Parameter
Test Conditions
Min
Typ
Max
Units
Trise
0.1*VDD to 0.9*VDD, CL=50pF
1.4(TC)
-
19(TC2)
ns
Tfall
0.9*VDD to 0.1*VDD, CL=50pF
1.5(TC)
-
22(TC2)
ns
T(RST)L
-
1.5
-
ms
TC
3
3.3
3.6
V
TC1
2.25
2.5
2.75
V
TC2
1.72
1.8
1.98
V
VIL
TC
-0.3
-
0.9
V
TC1
-0.3
-
0.67
V
TC2
-0.3
-
0.54
V
VIH
TC
1.95
-
3.6
V
TC1
1.46
-
2.75
V
TC2
1.1
-
1.98
V
VOL
TC
-
-
0.4
V
TC1
-
-
0.42
V
TC2
-
-
0.45
V
VOH
TC
2.4
-
-
V
TC1
1.72
-
-
V
TC2
1.35
-
-
V
IOL
(Low drive strength)
TC (VOL = 0.4V)
3.4
5.6
7.9
mA
TC1 (VOL= 0.42V)
3.8
6.6
10.1
mA
TC2 (VOL =0.45V)
1.6
3
5
mA