Data Sheet

Bluegiga – A Silicon Labs Company 31
10.3 Logic signal characteristics
10.3.1 Digital I/O
Digital I/O pins
Min
Typ
Max
Unit
Input voltage levels
V
IL
input logic level low 1.7V ≤ VDD ≤ 3.6V
-0.3
-
0.3VDD
V
V
IH
input logic level high 1.7V ≤ VDD ≤ 3.6V
0.7 VDD
-
VDD + 0.3
V
Output voltage levels
V
OL
output logic level low, Vdd = 3.6 V, Iol = 7 mA
-
-
0.4
V
V
OH
output logic level high Vdd = 3.6 V, Ioh = -12 mA
VDD - 0.4
-
VDD
V
Table 7 Digital I/O pin electrical characteristics
10.3.2 Reset
Power-on Reset
Min
Typ
Max
Unit
Power on reset threshold (rising edge)
1.84
1.92
2.00
V
Power on reset threshold (falling edge)
1.80
1.88
1.96
V
RESET signal pulse width (pulled low)
500
-
-
ns
Table 8 Reset pin characteristics
10.3.3 ADC
Power-on Reset
Min
Typ
Max
Unit
ADC input impedance
-
-
50
kohm
ADC input voltage range
0
-
VDD
V
ADC differential nonlinearity error
-
0.7
1.3
LSB
ADC integral nonlinearity error
-
0.8
1.7
LSB
ADC offset error
-
1
2.8
LSB
ADC gain error
-
0.5
3
LSB
Table 9 ADC pin characteristics