Difference between revisions of "Wireless Module (DWM)"

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(→‎Pinout and detailed pin functions)
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==Pinout and detailed pin functions==
 
==Pinout and detailed pin functions==
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{| class="wikitable" | {{table}}
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| align="center" style="background:#f0f0f0;"|'''Pin number'''
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| align="center" style="background:#f0f0f0;"|'''Name'''
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| align="center" style="background:#f0f0f0;"|'''Type'''
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| align="center" style="background:#f0f0f0;"|'''Description'''
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| align="center" style="background:#f0f0f0;"|'''Voltage'''
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| align="center" style="background:#f0f0f0;"|'''Note'''
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|-
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| 1||BT_EN||Power||Main power supply input||2.0 – 5.5V||
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|-
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| 2||WIFI_EN||Power||Main power supply input||2.0 – 5.5V||
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|-
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| 3||UART2_RTSn||Power||Backup power supply input (available on request)||1.8 – 5.5V||If not available, please leave unconnected.
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|-
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| 4||WIFI_IRQ||Power||Backup power supply input (available on request)||1.8 – 5.5V||If not available, please leave unconnected.
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|-
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| 5||UART2_TXD||||Ground||||
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|-
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| 6||BT_F2||||Ground||||
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|-
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| 7||UART2_CTSn||||Reserved for future use||-||Please leave unconnected.
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|-
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| 8||WIFI_CLK_REQ(A)||||Reserved for future use||-||Please leave unconnected.
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|-
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| 9||UART2_RXD||||Reserved for future use||-||Please leave unconnected.
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|-
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| 10||NC||Open-drain output||Status indicator for backup power supply. Pulls down when power is drawn from VIN_AUX rail.||||Can be left open or grounded when not used.
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|-
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| 11||DGND||Open-drain output||Overcurrent/thermal warning indicator. Pulls down when either main power supply or backup power supply current exceeds its current limit (4A) or die temperature of internal switch (130°C) is close to thermal shutdown.||||
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|-
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| 12||NC||Open-drain output||Status indicator for main power supply. Pulls down when power is drawn from VIN_AUX rail.||||Can be left open or grounded when not used. When used, must be pulled-hi
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|-
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| 13||DAT3||||Reserved for future use||-||Please leave unconnected.
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|-
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| 14||NC||||Reserved for future use||-||Please leave unconnected.
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|-
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| 15||DAT2||||Reserved for future use||-||Please leave unconnected.
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|-
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| 16||NC||||Reserved for future use||-||Please leave unconnected.
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|-
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| 17||DAT1||||Reserved for future use||-||Please leave unconnected.
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|-
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| 18||NC||||Reserved for future use||-||Please leave unconnected.
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|-
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| 19||DAT0||||Ground||||
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|-
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| 20||NC||||Ground||||
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|-
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| 21||DGND||Differential||USB data port (positive)||||
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|-
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| 22||DGND||Differential||USB data port (negative)||||
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|-
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| 23||SDO_CMD||||Ground||||
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|-
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| 24||SDO_CLK||||Reserved for future use||-||Please leave unconnected.
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|-
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| 25||DGND||||Reserved for future use||-||Please leave unconnected.
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|-
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| 26||DGND||||Ground||||
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|-
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| 27||3.3V||||Ground||||
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|-
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| 28||3.3V||||Reserved for future use||-||Please leave unconnected.
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|-
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| 29||5V||||Reserved for future use||-||Please leave unconnected.
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|-
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| 30||5V||||Reserved for future use||-||Please leave unconnected.
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|-
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|
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|}
  
 
===Reset===
 
===Reset===

Revision as of 15:59, 2 November 2012

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Info Box
Dwm 01.png Applies to DWM


WorkInProgress.gif

Introduction[edit | edit source]

Dwm 02.png


Specification[edit | edit source]

Power consumption[edit | edit source]

Pinout and detailed pin functions[edit | edit source]

Pin number Name Type Description Voltage Note
1 BT_EN Power Main power supply input 2.0 – 5.5V
2 WIFI_EN Power Main power supply input 2.0 – 5.5V
3 UART2_RTSn Power Backup power supply input (available on request) 1.8 – 5.5V If not available, please leave unconnected.
4 WIFI_IRQ Power Backup power supply input (available on request) 1.8 – 5.5V If not available, please leave unconnected.
5 UART2_TXD Ground
6 BT_F2 Ground
7 UART2_CTSn Reserved for future use - Please leave unconnected.
8 WIFI_CLK_REQ(A) Reserved for future use - Please leave unconnected.
9 UART2_RXD Reserved for future use - Please leave unconnected.
10 NC Open-drain output Status indicator for backup power supply. Pulls down when power is drawn from VIN_AUX rail. Can be left open or grounded when not used.
11 DGND Open-drain output Overcurrent/thermal warning indicator. Pulls down when either main power supply or backup power supply current exceeds its current limit (4A) or die temperature of internal switch (130°C) is close to thermal shutdown.
12 NC Open-drain output Status indicator for main power supply. Pulls down when power is drawn from VIN_AUX rail. Can be left open or grounded when not used. When used, must be pulled-hi
13 DAT3 Reserved for future use - Please leave unconnected.
14 NC Reserved for future use - Please leave unconnected.
15 DAT2 Reserved for future use - Please leave unconnected.
16 NC Reserved for future use - Please leave unconnected.
17 DAT1 Reserved for future use - Please leave unconnected.
18 NC Reserved for future use - Please leave unconnected.
19 DAT0 Ground
20 NC Ground
21 DGND Differential USB data port (positive)
22 DGND Differential USB data port (negative)
23 SDO_CMD Ground
24 SDO_CLK Reserved for future use - Please leave unconnected.
25 DGND Reserved for future use - Please leave unconnected.
26 DGND Ground
27 3.3V Ground
28 3.3V Reserved for future use - Please leave unconnected.
29 5V Reserved for future use - Please leave unconnected.
30 5V Reserved for future use - Please leave unconnected.

Reset[edit | edit source]

Integration guide[edit | edit source]

This section provides useful information and resources that allow the system designer to integrate DWM module in his/her application very quickly.

Typical scenarios[edit | edit source]

Mechanical information[edit | edit source]

Layout[edit | edit source]

The following images show the module layout:

DWM Top View
DWM Bottom View

The component view (top and bottom) is avalable as PDF file:

3D[edit | edit source]

Qualification tests[edit | edit source]

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