User Manual

Jennic
© Jennic 2009 JN-DS-JN5148-001 1v2 71
Preliminary
22.3.10 Comparators
VDD = 2.0 to 3.6V -40 to +85ºC
Parameter Min Typ Max Unit Notes
Analogue response time
(normal)
80 125 ns +/- 250mV overdrive
10pF load
Total response time
(normal) including delay to
Interrupt controller
105 + 125 ns Digital delay can be
up to a max. of two
16MHz clock periods
Analogue response time
(low power)
2.4 µs +/- 250mV overdrive
No digital delay
Hysteresis 10
20
40
mV Programmable in 3
steps and zero
Vref (Internal) See Section 22.3.7 Bandgap Reference V
Common Mode input range 0 Vdd V
Current (normal mode) 73 µA
Current (low power mode) 0.8 µA
22.3.11 32kHz RC Oscillator
VDD = 2.0 to 3.6V, -40 to +85 ºC
Parameter Min Typ Max Unit Notes
Current consumption of cell
and counter logic
1.45
1.25
1.05
µA 3.6V
3.0V
2.0v
32kHz clock native
accuracy
-30% 32kHz +30%
Typical is at 3.0V 25°C
Calibrated 32kHz accuracy ±250 ppm For a 1 second sleep
period calibrating over
20 x 32kHz clock
periods
Variation with temperature -0.010 %/°C
Variation with VDD2 -1.1 %/V