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Eddy Wireless ML8011 User Manual

Gsm gprs modem
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ML8011 GSM GPRS Modem User's Manual
ML8011 GSM GPRS Modem User's Manual
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  • Page 1: Ml8011 Gprs Modem User's Manual

    ML8011 GSM GPRS Modem User’s Manual ML8011 GSM GPRS Modem User’s Manual Page 1 www.eddywireless.biz sales@eddywireless.com...

  • Page 2: Table Of Contents

    ML8011 GSM GPRS Modem User’s Manual Content ML8011 GPRS Modem User’s Manual ....................1 1. Introduction ............................3 2. Product concept ..........................3 3. Application interface ......................... 5 3.1Pin Description ..........................5 3.2 Operating modes ......................... 6 3.3 Power supply (VBAT) ........................ 7 3.4 Power up and power down scenarios ..................

  • Page 3: Introduction

    ML8011 GSM GPRS Modem User’s Manual 1. Introduction This document defines the ML8011 module series and describes the hardware interface of the ML8011 module that connects to the customer application. This document can help customer quickly understand module interface specifications, electrical and mechanical details.
  • Page 4 ML8011 GSM GPRS Modem User’s Manual usually used for PPP connections CSD: ● Internet service protocols TCP/UDP/FTP/HTTP ● Support Packet Switched Broadcast Control Channel (PBCCH) ● CSD transmission rates: 2.4, 4.8, 9.6, 14.4 kbps non-transparent ● Unstructured Supplementary Services Data (USSD) support ●...

  • Page 5: Application Interface

    ML8011 GSM GPRS Modem User’s Manual 3. Application interface 3.1Pin Description Figure 1 Pin distribution description Table 3 Pin PIN NAME I/O DESCRIPTION COMMENT CHARATERISTICS VBAT Module main power Vmax = 4.6V Recommend to used supply. The power MIC29302/SP2930 Vmin = 3.6V...

  • Page 6: Operating Modes

    ML8011 GSM GPRS Modem User’s Manual 3,4,15 Power and digital ground PWRKEY Power on/off control TTL (3.3V) level, it input, PWRKEY should can be connected to the be pulled up for a MCU/ARM I/O port moment to turn on or turn indirectly.

  • Page 7: Power Supply (Vbat)

    ML8011 GSM GPRS Modem User’s Manual GSM IDLE Software is active. The module has registered to the GSM network, and the module is ready to send and receive. GSM TALK GSM connection is going. In this mode, the power consumption is decided by the configuration of Power Control Level (PCL), dynamic DTX control and the working RF band.

  • Page 8: Power Up And Power Down Scenarios

    ML8011 GSM GPRS Modem User’s Manual preferable for its better efficiency especially with the 2.0A peak current in burst mode of the module. Figure 2 recommend Power supply 3.4 Power up and power down scenarios 3.4.1 Power On Customer’s application can turn on the module by driving the pin PWRKEY to a high level voltage and after STATUS pin outputs a high level, PWRKEY pin can be released.

  • Page 9: Power Down Module Using The Pwrkey Pin

    ML8011 GSM GPRS Modem User’s Manual can be sent to the module 2-3 seconds after the module is powered on. Host controller should firstly send an “AT” or “at” string in order that the module can detect baud rate of host controller, and it should send the second or the third “AT”...

  • Page 10: Over-Voltage Or Under-Voltage Automatic Shutdown

    ML8011 GSM GPRS Modem User’s Manual Before the completion of the power-down procedure the module sends out the result code shown below: NORMAL POWER DOWN After this moment, no further AT command can be executed, and then the module enters the POWER DOWN mode, The POWER DOWN mode can also be indicated by STATUS pin, which is a low level voltage in this mode.

  • Page 11: Power Saving

    ML8011 GSM GPRS Modem User’s Manual Figure 5 Timing of restart system 3.5 Power saving Upon system requirement, there are several actions to drive the module to enter low current consumption status. For example, “AT+CFUN” can be used to set module into minimum functionality mode and DTR hardware interface signal can be used to lead system to SLEEP mode.

  • Page 12: Sleep Mode (Slow Clock Mode)

    ML8011 GSM GPRS Modem User’s Manual 3.5.2 SLEEP mode (slow clock mode) The SLEEP mode is disabled in default software configuration. Customer’s application can enable this mode by “AT+QSCLK=1”. On the other hand, the default setting is “AT+QSCLK=0” and in this mode, the module can’t enter SLEEP mode.

  • Page 13: Serial Interfaces

    ML8011 GSM GPRS Modem User’s Manual 3.7 Serial interfaces The connection schematic between ML8011 and MCU/ARM shown in figure 6, Dotted line: optional connection. Figure 6 connect to MCU/ARM 3.8LED indication 3.8.1 Green Led is the power indication. 3.8.2 Red Led is the Working state indication.

  • Page 14: Mechanical Dimension

    ML8011 GSM GPRS Modem User’s Manual 4. Mechanical dimension Page 14...

  • Page 15: Product List

    ML8011 GSM GPRS Modem User’s Manual 5. Product List Name Unit Quantity Describe Picture Item Module ML8011 Antenna Item Standard Supply Page 15...

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