SARA-R410M datasheet(27/43 Pages) U-BLOX

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SARA-R4 series - Data sheet

UBX-16024152 - R18

Electrical specifications

Page 27 of 43

4.2.8 PWR_ON pin

Parameter

Min.

Typical

Max.

Unit

Remarks

Internal supply for

PWR_ON Input Signal

1.8

The PWR_ON input is pulled up to an internal voltage rail

minus a diode drop: the voltage value present at PWR_ON

input pin is normally 0.8 V typical.

Low-level input

-0.30

0.35

Pull-up resistance

150

200

250

k

Internal active pull-up

Input leakage current

-0.20

0.20

PWR_ON low time

0.15

3.20

Low time to trigger module switch on from power off mode

0.15

3.20

Low time to trigger module wake-up from PSM deep sleep

1.50

Low time to trigger module switch off

Table 19: PWR_ON pin characteristics

4.2.9 RESET_N pin

Parameter

Min.

Typical

Max.

Unit

Remarks

Internal supply for

RESET_N Input Signal

1.8

Low-level input

-0.30

0.63

Pull-up resistance

k

Internal active pull-up

Input leakage current

-0.20

0.20

RESET_N low time

Low time to trigger module abrupt emergency switch off

Table 20: 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 21 are for information only.

Parameter

Min.

Typ.

Max.

Unit

Remarks

Low-level input

-0.30

0.2*VSIM

High-level input

0.7*VSIM

VSIM+0.3

Low-level output

0.4

Max value at IOL = +2.0 mA

High-level output

0.8*VSIM

VSIM

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

VIN =0 V or VIN =VSIM

Clock frequency on SIM_CLK

4.8

MHz

Table 21: SIM pin characteristics

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