LARA-R6401D datasheet(18/41 Pages) U-BLOX

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LARA-R6 series - Data sheet

UBX-21004391 - R09

Pin definition

Page 18 of 41

C1-Public

Name

Power

domain

I/O

Description

Remarks

CTS

GDI

UART clear to send

Circuit 106 in ITU-T V.24 (CTS hardware flow control

output, push-pull, idle high, active low).

See section 4.2.14 for detailed electrical specs.

TXD

GDI

UART data input

Circuit 103 in ITU-T V.24 (TxD data input, idle high, active

low, with internal active pull-up enabled).

See section 4.2.14 for detailed electrical specs.

RXD

GDI

UART data output

Circuit 104 in ITU-T V.24 (RxD data output, push-pull, idle

high, active low).

See section 4.2.14 for detailed electrical specs.

GND

N/A

Ground

All the GND pins are intended to be connected to ground

PWR_ON

POS

Power-on input

Internal pull-up. Active low.

See section 4.2.9 for detailed electrical specs.

Provide test point for diagnostic purposes.

GPIO1

GDI

I/O

GPIO

GPIO configurable as described in section 2.8.

Push-pull output type.

See section 4.2.14 for detailed electrical specs.

VUSB_DET VBUS

VBUS USB detect input

VBUS (5 V typical) USB supply generated by the host must

be connected to this input pin during the switch-on boot

sequence of the module to enable the USB interface.

See section 4.2.12 for detailed electrical specs.

Provide test point for diagnostic purposes.

RESET_N

ERS

External reset input

Internal 10 k pull-up resistor to V_BCKP.

See section 4.2.10 for detailed electrical specs.

GPIO6

GDI

Clock output

Configurable clock output as described in section 2.7.

Not supported by LARA-R6001D and LARA-R6401D.

Push-pull output type.

See section 4.2.14 / 4.2.14.1 for detailed electrical specs.

GND

N/A

Ground

All the GND pins are intended to be connected to ground

GND

N/A

Ground

All the GND pins are intended to be connected to ground

GND

N/A

Ground

All the GND pins are intended to be connected to ground

GPIO2

GDI

I/O

GPIO

GPIO configurable as described in section 2.8.

Push-pull output type.

See section 4.2.14 for detailed electrical specs.

GPIO3

GDI

I/O

GPIO

GPIO configurable as described in section 2.8.

Push-pull output type.

See section 4.2.14 for detailed electrical specs.

GPIO4

GDI

I/O

GPIO

GPIO configurable as described in section 2.8.

Push-pull output type.

See section 4.2.14 for detailed electrical specs.

SDA

I2C

I/O

I2C bus data line

Open drain output type. Active low.

Internal 2.2 k pull-up resistor to V_INT.

See section 4.2.13 for detailed electrical specs.

SCL

I2C

I2C bus clock line

Open drain output type. Active low.

Internal 2.2 k pull-up resistor to V_INT.

See section 4.2.13 for detailed electrical specs.

USB_D-

USB

I/O

USB Data Line D-

90  nominal differential characteristic impedance.

Pull-up, pull-down and series resistors as required by the

USB 2.0 specifications [14] are part of the USB pin driver

and need not be provided externally.

See section 4.2.12 for detailed electrical specs.

Provide test point for diagnostic purposes.

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LARA-R6401D 数据表(PDF) 18 Page - u-blox AG

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