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Eddy Wireless ML8011 User Manual

Manual is about: GSM GPRS Modem

Summary of ML8011

  • Page 1

    Ml8011 gsm gprs modem user’s manual page 1 ml8011 gsm gprs modem user’s manual sales@eddywireless.Com www.Eddywireless.Biz.

  • Page 2: Content

    Ml8011 gsm gprs modem user’s manual page 2 content ml8011 gprs modem user’s manual .............................................................................................. 1 1. Introduction ...........................................................................................................

  • Page 3

    Ml8011 gsm gprs modem user’s manual page 3 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, electrica...

  • Page 4

    Ml8011 gsm gprs modem user’s manual page 4 csd: usually used for ppp connections ● 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 (us...

  • Page 5

    Ml8011 gsm gprs modem user’s manual page 5 3. Application interface 3.1pin description figure 1 pin distribution table 3 pin description pin name pin i/o description dc charateristics comment vbat 1,2 i module main power supply. The power supply of module has to be a single voltage source of vbat = ...

  • Page 6

    Ml8011 gsm gprs modem user’s manual page 6 gnd 3,4,15 i power and digital ground pwrkey 5 i power on/off control input, pwrkey should be pulled up for a moment to turn on or turn off the module. Ttl (3.3v) level, it can be connected to the mcu/arm i/o port indirectly. Status 7 o used to indicate the...

  • Page 7

    Ml8011 gsm gprs modem user’s manual page 7 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), dynam...

  • Page 8

    Ml8011 gsm gprs modem user’s manual page 8 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 pwr...

  • Page 9

    Ml8011 gsm gprs modem user’s manual page 9 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” or “at” string...

  • Page 10

    Ml8011 gsm gprs modem user’s manual page 10 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 ...

  • Page 11

    Ml8011 gsm gprs modem user’s manual page 11 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 hard...

  • Page 12

    Ml8011 gsm gprs modem user’s manual page 12 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 sl...

  • Page 13

    Ml8011 gsm gprs modem user’s manual page 13 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 indicat...

  • Page 14

    Ml8011 gsm gprs modem user’s manual page 14 4. Mechanical dimension.

  • Page 15

    Ml8011 gsm gprs modem user’s manual page 15 5. Product list name unit quantity describe picture ml8011 item 1 module antenna item 1 standard supply.