S6E1C3 Datasheet, PDF (56/107 Pages) Cypress Semiconductor – 32-bit ARM® Cortex®-M0+ FM0+ Microcontroller

S6E1C3 Series
11.4.2 Sub Clock Input Characteristics
(VCC= 1.65 V to 3.6 V, VSS= 0 V, TA=- 40°C to +105°C)
Parameter
Symbol
Pin
Name
Conditions
Min
Value
Typ
Max
Input frequency
fCL
-
-
32.768
X0A,
-
32
-
X1A
Input clock cycle
tCYLL
-
10
-
Input clock pulse
width
-
PWH/tCYLL,
PWL/tCYLL
45
-
*: See "Sub crystal oscillator" in "7. Handling Devices" for the crystal oscillator used.
-
100
31.25
55
Unit
Remarks
When the crystal
kHz oscillator is
connected
kHz
When the external
clock is used
μs
When the external
clock is used
%
When the external
clock is used
0.8 × Vcc
X0A
PWH
tCYLL
0.8 × Vcc
0.2 × Vcc
PWL
0.8 × Vcc
0.2 × Vcc
Document Number: 002-00233 Rev.*B
Page 56 of 107