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NB-IoT Module Series

BC66&BC660K-GL Compatible Design

BC66&BC660K-GL

Compatible_Design 12 / 30

Pin Description

This chapter describes and compares the pins of BC66 and BC660K-GL.

Table 4: I/O Parameters Definition

Table 5: Pin Comparison between BC66 and BC660K-GL

Type

Description

Analog Input

Digital Input

DIO

Digital Input/Output

Digital Output

Power Input

Power Output

Pin No.

BC66

BC660K-GL

Pin Name

I/O

Description

Pin Name

I/O

Description

RESERVED

GPIO1

DIO

General-purpose

input/output

RESERVED

GPIO2

DIO

General-purpose

input/output

RESERVED

GPIO3

DIO

General-purpose

input/output

RESERVED

GPIO4

DIO

General-purpose

input/output

PWRKEY

Turn on/off the

module

BOOT

Makes module enter

download mode

ADC0

General-purpose

ADC interface

ADC0

General-purpose ADC

interface

Содержание BC66

Страница 1: ...BC66 BC660K GL Compatible Design NB IoT Module Series Version 1 0 Date 2021 02 18 Status Released www quectel com...

Страница 2: ...out prior notice Disclaimer While Quectel has made efforts to ensure that the functions and features under development are free from errors it is possible that these functions and features could conta...

Страница 3: ...tion of Quectel Transmitting reproducing disseminating and editing this document as well as using the content without permission are forbidden Offenders will be held liable for payment of damages All...

Страница 4: ...660K GL Compatible Design BC66 BC660K GL_Compatible_Design 3 30 About the Document Revision History Version Date Author Description 2020 11 26 Clifton HE Creation of the document 1 0 2021 02 18 Clifto...

Страница 5: ...Design 15 4 1 Power Supply 15 4 1 1 Operating Voltage 15 4 1 2 Power Supply Reference Design 15 4 2 Turn on 16 4 3 Turn off 18 4 4 Reset 19 4 4 1 Reset BC66 BC660K GL with Hardware Method 19 4 4 2 Re...

Страница 6: ...e 3 Features Overview 9 Table 4 I O Parameters Definition 12 Table 5 Pin Comparison between BC66 and BC660K GL 12 Table 6 Module Operating Voltage Range 15 Table 7 Power Switching Circuit Design Based...

Страница 7: ...e 7 Turning off BC66 BC660K GL by Disconnecting VBAT 19 Figure 8 Compatible Reference Design for Reset controlled with an OC OD driver 19 Figure 9 Timing of Module Reset 20 Figure 10 Compatible Refere...

Страница 8: ...C660K GL This document outlines the compatible design for the two modules 1 1 Special Mark Table 1 Special Mark Mark Definition When an asterisk is used after a function feature interface pin name AT...

Страница 9: ...IoT modules designed as compatible products to meet different user requirements This compatible design manual helps to ensure smooth migrations between the two modules in your products Table 2 Module...

Страница 10: ...range 40 to 85 C 2 Storage temperature range 40 to 90 C UART Interface Main UART Interface When used for AT command communication and data transmission the module is in auto baud mode by default wher...

Страница 11: ...rs like Pout might reduce in value and exceed the specified tolerance When the temperature returns to normal operating temperature levels the module will meet 3GPP specifications again support baud ra...

Страница 12: ...GPIO1 GPIO3 GPIO4 RESERVED RESERVED GRFC2 VIO_SEL GPIO2 GRFC1 RESERVED ADC0 SIM_GND SIM_DATA SIM_RST SIM_CLK PWRKEY RESERVED GND RESERVED RESERVED RESERVED RESERVED Red BC66 Black BC660K GL RESERVED R...

Страница 13: ...Input DIO Digital Input Output DO Digital Output PI Power Input PO Power Output Pin No BC66 BC660K GL Pin Name I O Description Pin Name I O Description 3 RESERVED GPIO1 DIO General purpose input outpu...

Страница 14: ...Main UART receive MAIN_RXD DI Main UART receive 19 PSM_EINT DI External interrupt pin dedicated to waking up the module from Deep Sleep mode PSM_EINT DI External interrupt pin dedicated to waking up t...

Страница 15: ..._EXT 1 8 V 43 VBAT_RF PI Power supply for the module s RF part VBAT PI Power supply for the module 47 USB_MODE DI Pull down the pin to enable USB download function RESERVED 49 VUSB_3V3 PI USB power su...

Страница 16: ...tage never drops below 2 2 V during operation Vdrop VBAT Figure 2 VBAT Voltage Waveform Diagram 4 1 2 Power Supply Reference Design Power design for a module is critical to its performance It is recom...

Страница 17: ...hods of turning on BC66 and BC660K GL are different BC66 It can be turned on by driving its PWRKEY pin low for at least 500 ms It is recommended to use an open drain collector driver or a button to co...

Страница 18: ...o S1 TVS BC66 PWRKEY Figure 4 Compatible Reference Design for BOOT PWRKEY Controlled with a Button The turn on timing of BC66 and BC660K GL is illustrated below VBAT VDD_EXT PWRKEY BC66 OFF BOOTING RU...

Страница 19: ...e left to avoid abnormal module startup After VBAT is powered on RESET_N and BOOT automatically rise to high level due to internal pull ups 3 The red part in the above figure is for BC66 4 The black p...

Страница 20: ...and BC660K GL can be reset with hardware and software methods which are illustrated below 4 4 1 Reset BC66 BC660K GL with Hardware Method Driving the RESET RESET_N low for at least 50 ms resets BC66...

Страница 21: ...BC660K GL RUNNING OFF RUNNING RESET_N VBAT Figure 9 Timing of Module Reset 1 The red part in the above figure is for BC66 2 The black part in the above figure is for BC660K GL 4 4 2 Reset BC66 BC660K...

Страница 22: ...to USB 1 1 specifications and supports full speed 12 Mbps mode Supporting USB serial drivers for Windows Linux operating systems the interface can be used for software debugging and software upgrade F...

Страница 23: ...f BC66 BC660K GL are compatible with each other A compatible reference design for the USIM interfaces connected with a 6 pin USIM card connector is shown in the figure below 22 22 22 100 nF USIM Card...

Страница 24: ...n below For designs of the circuits in dotted lines refer to those in solid lines and pay attention to the direction of connection DTE VDD_EXT 10 k VCC_DTE 4 7 k VDD_EXT BC66 BC660K GL 1 nF RXD TXD DB...

Страница 25: ...in green 6 For BC660K GL pay attention to the following notes about VIO_SEL When VIO_SEL is grounded and VBAT 3 3 V VDD_EXT VBAT When VIO_SEL is grounded and VBAT 3 3 V VDD_EXT 3 3 V When VIO_SEL is f...

Страница 26: ..._ANT The impedance of the antenna interfaces is 50 For better RF performance it is recommended to reserve a type matching circuit R1 C1 C2 close to the antenna By default the capacitors C1 C2 are not...

Страница 27: ...introduces the recommended compatible footprint and stencil design of BC66 and BC660K GL All dimensions are measured in millimeter mm and the tolerance for dimensions is 0 05 mm unless otherwise speci...

Страница 28: ...C66 and BC660K GL 0 70 0 35 1 1 10 14 23 36 4 35 1 00 1 00 17 70 0 15 20 00 0 15 15 80 0 15 18 10 0 15 1 00 2 50 0 35 4 30 1 80 1 80 0 35 6 10 6 15 Figure 16 Recommended Footprint of BC66 BC660K GL Un...

Страница 29: ...tallation sketch for the two modules Figure 17 Installation Sketch for BC66 BC660K GL 5 2 Recommended Stencil Design BC66 and BC660K GL have the same PCB thickness To ensure soldering quality of the t...

Страница 30: ...6 AT Commands Manual 3 Quectel_BC660K GL_Hardware_Design BC660K GL Hardware Design 4 Quectel_BC660K GL_AT_Commands_Manual BC660K GL AT Commands Manual Abbreviation Description ADC Analog to Digital Co...

Страница 31: ...60K GL Compatible Design BC66 BC660K GL_Compatible_Design 30 30 UART Universal Asynchronous Receiver Transmitter USIM Universal Subscriber Identification Module Li MnO2 Lithium Manganese Dioxide Li SO...

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