ODIN-W2 series - Data Sheet
UBX-14039949 - R05
Advance Information
Electrical specification
Page 18 of 36
5.2.3
I/O DC characteristics
Symbol
Parameter
Min Typ
Maximum
Unit
V
IL
LOW level input voltage
0
0.5
V
V
IH
HIGH level input voltage
1.31
1.8
2.0
V
V
OL
LOW level output voltage
0
0.4
V
V
OH
HIGH level output voltage
1.34
1.8
V
I
IO
I/O pin sink and source current
4.0
*
mA
C
IO
I/O pin input capacitance
5
pF
R
PU
Internal active pull-up resistance
All IO pins except for UART_RXD
30
40
50
k
Ω
UART_RXD
8
11
15
k
Ω
R
PD
Internal active pull-down resistance
30
40
50
k
Ω
*
8.0 mA is possible but the output voltage level is not guaranteed.
Table 9: I/O DC characteristics
5.2.4
Reset characteristics
Symbol
Parameter
Conditions
Min Typ
Maximum
Unit
V
IL(RESET_N)
RESET_N Input low level voltage
0.5
V
V
IH(RESET_N)
RESET_N Input high level voltage
1.3
V
V
hys(RESET_N)
RESET_N Schmitt trigger voltage
hysteresis
200
mV
R
PU(RESET_N)
Internal RESET_N pull-up resistance
8
k
Ω
C
RESET_N
Internal RESET_N capacitance
100
nF
V
F(RESET_N)
RESET_N Input filtered pulse
100
ns
Table 10: Reset characteristics
5.2.5
LPO clock
The ODIN-W2 series module does not have an internal low power oscillator (LPO) required for low power modes.
An LPO can be supplied from an external oscillator if low power modes are required.
Symbol
Parameter
Min
Typ
Maximum
Unit
LPO
32.768kHz
Input clock frequency
32.768
kHz
Input slow clock accuracy
(I temp + aging)
±150
ppm
Tr/Tf
Input transition time Tr/Tf -10% to 90%
100
ns
Frequency input duty cycle
20
50
80
%
V
IH
Input voltage limits
(Square wave, DC-coupled)
1.31
1.8
V
V
IL
0
0.5
V
Input capacitance
10
pF
Table 11: External LPO clock characteristics
5.2.6
Universal asynchronous serial interface (UART)
Symbol
Parameter
Min
Typ
Maximum
Unit
f
baud
Baud rate
2400
115200
5.25M
bit/s
Table 12: UART characteristics