User Manual

Jennic
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Jennic
52 JN-DS-JN5139 v1.5 © Jennic 2008
17.2.3 I/O Characteristics
VDD = 2.2 to 3.6V, -40 to +85º C
Parameter Min Typ Max Unit Notes
Internal DIO pull – up
resistors
22
24
31
34
40
56
53
63
92
k Ω
VDD2 = 3.6V
VDD2 = 3.0V
VDD2 = 2.2V
Digital I/O High Input
(exception DIO9, DIO10)
VDD2 x 0.7 Lower of (VDD2 + 2V)
and 5.5V
V 5V Tolerant I/O only
Digital I/O low Input
(exception DIO9, DIO10)
-0.3 VDD x 0.27 V 5V Tolerant I/O only
Digital I/O input hysteresis 140 230 310 mV
DIO High O/P (2.7-3.6V) VDD2 x 0.8 VDD2 V With 4mA load
DIO Low O/P (2.7-3.6V) 0 0.4V V With 4mA load
DIO High O/P (2.2-2.7V) VDD2 x 0.8 VDD2 V With 3mA load
DIO Low O/P (2.2-2.7V) 0 0.4V V With 3mA load
Current sink/source
capability
4
3
mA VDD2 = 2.7V to 3.6V
VDD2 = 2.2V to 2.7V
17.3 AC Characteristics
17.3.1 Reset
RESETN
Internal RESET
VDD
V
POT
t
STAB
t
RISE
0V
Figure 40: Power-on Reset
Internal RESET
RESETN
V
RST
t
STAB
t
RST
Figure 41: External Reset