Datasheet

LARA-R2 series - Data Sheet
UBX-16005783 - R15 Electrical specifications Page 31 of 48
4.2.8 PWR_ON pin
Pin Name
Parameter
Min.
Typical
Max.
Unit
Remarks
PWR_ON
Internal supply for
Power-On Input Signal
1.80
V
RTC supply (V_BCKP)
Low-level input
–0.30
0.54
V
High-level input
1.26
2.10
V
Pull-up resistance
10
k
Internal active pull-up to V_BCKP
Low-level input current
–180
µA
Low pulse time
50
µs
Low pulse time to switch on the module
Low pulse time
1
s
Low pulse time to switch off the module
Table 20: PWR_ON pin characteristics
4.2.9 RESET_N pin
Pin Name
Parameter
Min.
Typical
Max.
Unit
Remarks
RESET_N
Internal supply for
External Reset Input Signal
1.80
V
RTC supply (V_BCKP)
Low-level input
–0.30
0.54
V
High-level input
1.26
2.10
V
Pull-up resistance
10
k
Internal active pull-up to V_BCKP
Low-level input current
–180
µA
Low pulse time
50
ms
Low pulse time to reset the module
Table 21: RESET_N pin characteristics
4.2.10 SIM pins
The SIM pins are a dedicated interface to the external SIM card/chip. The electrical characteristics
fulfill the regulatory specification requirements. The values in Table 22 are for information only.
Parameter
Min.
Typical
Max.
Unit
Remarks
Low-level input
0.00
0.35
V
VSIM = 1.80 V
0.00
0.57
V
VSIM = 2.90 V
High-level input
1.29
3.30
V
VSIM = 1.80 V
2.07
3.30
V
VSIM = 2.90 V
Low-level output
0.00
0.35
V
VSIM = 1.80 V, Max value at I
OL
= +1.0 mA
0.00
0.35
V
VSIM = 2.90 V, Max value at I
OL
= +1.0 mA
High-level output
1.26
1.80
V
VSIM = 1.80 V, Min value at I
OH
= –1.0 mA
2.03
2.90
V
VSIM = 2.90 V, Min value at I
OH
= –1.0 mA
Input / Output leakage current
0.7
µA
0.2V < V
IN
< 3.3V
Clock frequency on SIM_CLK
3.25
MHz
Internal pull-up resistor on SIM_IO
4.7
k
Internal pull-up to VSIM supply
Table 22: SIM pins characteristics