Microchip Technology RN42 User Manual
RN-42 Specification
CONTENTS
RN-42 Specification...............................................................................................................................1
Type： Release.........................................................................................................................1
Document： RN-42-001...................................................................................................................1
Version： 1.0................................................................................................................................. 1
Release Date： Jan 08, 2010................................................................................................................1
Release Record...................................................................................................................................... 1
Device Features .....................................................................................................................................2
Description............................................................................................................................................. 2
Application.............................................................................................................................................3
1 Ordering Information ...................................................................................................................5
2 Key Features ..................................................................................................................................5
3 Block Diagram ...............................................................................................................................5
4 Electrical Characteristic ...............................................................................................................6
4.1 Absolute Maximum ratings ......................................................................................................6
4.2 Recommend operation conditions ...........................................................................................6
4.3 Electrica Characteristics ..........................................................................................................6
4.4 Radio characteristics .................................................................................................................7
4.5 Digital I/O characteristics .........................................................................................................7
5 Mechanical Dimensions ................................................................................................................8
6 Pin Definition Descriptions ...........................................................................................................9
7 Design Concerns ..........................................................................................................................12
7.1 Reset circuit .............................................................................................................................12
7.2 Factory reset PIO4 ..................................................................................................................12
7.3 Connection status ....................................................................................................................12
7.4 HCI mode .................................................................................................................................12
7.5 Using SPI bus for flash upgrade ............................................................................................12
7.6 Minimizing radio interface .....................................................................................................13
7.7 Soldering reflow profile ..........................................................................................................13
8 Reference Application Schematic ..............................................................................................14
9 SMT Reflow Profile .....................................................................................................................15
9.1 Reliability solder temperature chart: ....................................................................................15
9.2 Reflow temperature chart: .....................................................................................................15
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RN-42 Specification
4 Electrical Characteristic
4.1 Absolute Maximum ratings
Rating Minimum Maximum
Store temperature -40℃ +120℃
Operation temperature -40℃ +85℃
Power Supply -0.4 Volt DC 3.6Volt
4.2 Recommend operation conditions
Rating Minimum Type Maximum
Store temperature -40℃ +25℃ +85℃
Operation temperature -20℃ +25℃ +70℃
Power Supply - DC 3.3Volt DC 3.6Volt
4.3 Electrica Characteristics
Parameter Min Typ. Max Unit
Supply Voltage (DC) 3.0 3.3 3.6 V
RX Supply Current 35 60 mA
TX Supply Current 65 100 mA
Average power consumption
Standby/Idle (default settings) 25 mA
Connected (normal mode) 30 mA
Connected (low power Sniff) 8 mA
Standby/Idle (Deep sleep enabled) 250uA 2.5 mA
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RN-42 Specification
4.4 Radio characteristics
P
arameter Min Typ Max Units
Sensitivity @ 0.1%BER <=-70
RF Transmit Power <=6
Initial Carrier
Frequency
Tolerance
20dB bandwidth for
modulated
carrier
Drift (Five slots
packet)
Drift Rate - 13 - 20 kHz
△f1avg Max Modulation >140
△f2avg Min Modulation 115
Freq.
(GHz)
2.402 - -80 -86 dBm
2.442 - -80 -86 dBm
2.480 - -80 -86 dBm
2.402 5.0 6.0 dBm
2.442 5.0 6.0 dBm
2.480 5.0 6.0 dBm
2.402 - 5 75 kHz
2.442 - 5 75 kHz
2.480 - 5 75 kHz
- 900 1000 <=1000 kHz
- 15 - 40 kHz
2.402 140 165 175 kHz
2.442 140 165 175 kHz
2.480 140 165 175 kHz
2.402 140 190 - kHz
2.442 140 190 - kHz
2.480 140 190 - kHz
Bluetooth
S
pecification
75
4.5 Digital I/O characteristics
2.7V<=VDD<=3.0V Min Typ. Max. Unit
Input logic level LOW -0.4 - +0.8 V
Input logic level HIGH 0.7VDD - VDD+0.4 V
Output logic level LOW - - 0.2 V
Output logic level HIGH VDD-0.2 - - V
All I/O’s (except reset) default to
weak pull down
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+0.2 +1.0 +5.0 uA
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