Difference between revisions of "Wireless Module (DWM)"

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(→‎Pinout and detailed pin functions)
(→‎Pinout and detailed pin functions)
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| align="center" style="background:#f0f0f0;"|'''Note'''
 
| align="center" style="background:#f0f0f0;"|'''Note'''
 
|-
 
|-
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| 1||BT_EN||||Main power supply input||2.0 – 5.5V||
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| 1||BT_EN||||||||
 
|-
 
|-
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| 2||WIFI_EN||||Main power supply input||2.0 – 5.5V||
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| 2||WIFI_EN||||||||
 
|-
 
|-
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| 3||UART2_RTSn||||Backup power supply input (available on request)||1.8 – 5.5V||If not available, please leave unconnected.
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| 3||UART2_RTSn||||||||
 
|-
 
|-
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| 4||WIFI_IRQ||||Backup power supply input (available on request)||1.8 – 5.5V||If not available, please leave unconnected.
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| 4||WIFI_IRQ||||||||
 
|-
 
|-
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| 5||UART2_TXD||||Ground||||
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| 5||UART2_TXD||||||||
 
|-
 
|-
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| 6||BT_F2||||Ground||||
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| 6||BT_F2||||||||
 
|-
 
|-
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| 7||UART2_CTSn||||Reserved for future use||-||Please leave unconnected.
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| 7||UART2_CTSn||||||-||
 
|-
 
|-
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| 8||WIFI_CLK_REQ(A)||||Reserved for future use||-||Please leave unconnected.
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| 8||WIFI_CLK_REQ(A)||||||-||
 
|-
 
|-
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| 9||UART2_RXD||||Reserved for future use||-||Please leave unconnected.
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| 9||UART2_RXD||||||-||
 
|-
 
|-
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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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| 10||NC||||||Please leave unconnected.
 
|-
 
|-
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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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| 11||DGND|||||||
 
|-
 
|-
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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
+
| 12||NC||||||||Please leave unconnected.
 
|-
 
|-
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| 13||DAT3||||Reserved for future use||-||Please leave unconnected.
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| 13||DAT3||||||-||
 
|-
 
|-
 
| 14||NC||||Reserved for future use||-||Please leave unconnected.
 
| 14||NC||||Reserved for future use||-||Please leave unconnected.
 
|-
 
|-
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| 15||DAT2||||Reserved for future use||-||Please leave unconnected.
+
| 15||DAT2||||Reserved for future use||-||
 
|-
 
|-
 
| 16||NC||||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.
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| 17||DAT1||||||-||
 
|-
 
|-
 
| 18||NC||||Reserved for future use||-||Please leave unconnected.
 
| 18||NC||||Reserved for future use||-||Please leave unconnected.
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| 20||NC||||Ground||||
 
| 20||NC||||Ground||||
 
|-
 
|-
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| 21||DGND||Differential||USB data port (positive)||||
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| 21||DGND||||Ground||||
 
|-
 
|-
−
| 22||DGND||Differential||USB data port (negative)||||
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| 22||DGND||||Ground||||
 
|-
 
|-
−
| 23||SDO_CMD||||Ground||||
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| 23||SDO_CMD||||||||
 
|-
 
|-
−
| 24||SDO_CLK||||Reserved for future use||-||Please leave unconnected.
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| 24||SDO_CLK||||||-||
 
|-
 
|-
−
| 25||DGND||||Reserved for future use||-||Please leave unconnected.
+
| 25||DGND||||||-||
 
|-
 
|-
 
| 26||DGND||||Ground||||
 
| 26||DGND||||Ground||||
 
|-
 
|-
−
| 27||3.3V||Power||Ground||||
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| 27||3.3V||Power||||||
 
|-
 
|-
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| 28||3.3V||Power||Reserved for future use||-||Please leave unconnected.
+
| 28||3.3V||Power||||-||
 
|-
 
|-
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| 29||5V||Power||Reserved for future use||-||Please leave unconnected.
+
| 29||5V||Power||||-||
 
|-
 
|-
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| 30||5V||Power||Reserved for future use||-||Please leave unconnected.
+
| 30||5V||Power||||-||
 
|-
 
|-
 
|  
 
|  

Revision as of 16:05, 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]

DWM can be connected to the host board through the J1 connector. The following table reports the connector pinout:

Pin number Name Type Description Voltage Note
1 BT_EN
2 WIFI_EN
3 UART2_RTSn
4 WIFI_IRQ
5 UART2_TXD
6 BT_F2
7 UART2_CTSn -
8 WIFI_CLK_REQ(A) -
9 UART2_RXD -
10 NC Please leave unconnected.
11 DGND
12 NC Please leave unconnected.
13 DAT3 -
14 NC Reserved for future use - Please leave unconnected.
15 DAT2 Reserved for future use -
16 NC Reserved for future use - Please leave unconnected.
17 DAT1 -
18 NC Reserved for future use - Please leave unconnected.
19 DAT0 Ground
20 NC Ground
21 DGND Ground
22 DGND Ground
23 SDO_CMD
24 SDO_CLK -
25 DGND -
26 DGND Ground
27 3.3V Power
28 3.3V Power -
29 5V Power -
30 5V Power -

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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