LARA-R6 series - Data sheet

UBX-21004391 - R09

Electrical specifications

Page 28 of 41

C1-Public

4.2.10 RESET_N pin

Parameter

Min.

Typical Max.

Unit

Remarks

Internal supply for

RESET_N Input Signal

1.8

V

Low-level input

-0.30

0.63

V

Pull-up resistance

37

k

Internal active pull-up

Input leakage current

-0.20

0.20

µ

A

RESET_N low time

0.05

6

s

Low time to trigger module reset (reboot)

10

s

Low time to trigger module abrupt emergency switch off

Table 23: RESET_N pin characteristics

4.2.11 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 24 are for information only.

Parameter

Min.

Typ.

Max.

Unit

Remarks

Low-level input

-0.30

0.2*VSIM

V

High-level input

0.7*VSIM

VSIM+0.3

V

Low-level output

0

0.4

V

Max value at IOL = +2.0 mA

High-level output

0.8*VSIM

VSIM

V

Max value at IOL = +2.0 mA

Internal pull-up resistor on SIM_IO

4.7

k

Internal pull-up to VSIM supply

Input leakage current

-2

2

µ

A

VIN =0 V or VIN =VSIM

Clock frequency on SIM_CLK

4.8

MHz

Table 24: SIM pins characteristics

4.2.12 USB pins

USB data lines (USB_D+ / USB_D–) are compliant with the USB 2.0 high-speed specification. See the

Universal Serial Bus specification revision 2.0 [14] for detailed electrical characteristics. The values in

Table 25 related to USB 2.0 high-speed physical layer specifications are for information only.

Parameter

Min. Typical Max. Unit Remarks

VUSB_DET pin, High-level input

1.50 5.00

5.25 V

AT+UUSBDET=0 (factory-programmed setting)

4.40 5.00

5.25 V

AT+UUSBDET=1

High-speed squelch detection threshold

(input differential signal amplitude)

100

150 mV

High speed disconnect detection threshold

(input differential signal amplitude)

525

625 mV

High-speed data signaling input

common mode voltage range

–50

500 mV

High-speed idle output level

–10

10

mV

High-speed data signaling output high level 360

440 mV

High-speed data signaling output low level –10

10

mV

Chirp J level (output differential voltage)

700

1100 mV

Chirp K level (output differential voltage)

–900

–500 mV

Table 25: USB pins characteristics