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front-end module. nRF21540 Datasheet

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front-end module. nRF21540 Datasheet






nRF21540 module. Datasheet pdf. Equivalent




nRF21540 module. Datasheet pdf. Equivalent





Part

nRF21540

Description

RF front-end module



Feature


nRF21540 Product Specification v1.0 44 46_194 v1.0 / 2020-08-20 Key features Key features: • Front-end module with RF PA and LNA ® • Supports Bluetoot h Low Energy, IEEE 802.15.4, and propri etary applications • Max output power 22 dBm • Adjustable output power to ±1 dB from 5 to 21 dBm • User progra mmable modes for TX gain • Non-volati le memory storage for gain setti.
Manufacture

Nordic

Datasheet
Download nRF21540 Datasheet


Nordic nRF21540

nRF21540; ngs • Dual antenna port with antenna d iversity support • Receive gain +13 d B • Single-ended 50 Ω matched input and output • 110 mA @ +20 dBm output power • 38 mA @ +10 dBm output power • Control interface via I/O, SPI, or a combination of both • Supply volta ge 1.7 to 3.6 V, suitable for 1.8 V ±5 % systems • Operating temperature -40 °C to 105°C • Package variant QFN16 4.


Nordic nRF21540

x 4 mm Applications: • Smart Home ap plications • Industrial and factory a utomation • Asset tracking • Advanc ed CE remote controls • Sports and fi tness • Toys • Medical • Beacons 4446_194 v1.0 ii Contents Key featu res. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii 1 Revision history. . . . . . . . . . . . . . . . . . . . . . . . . . . ..


Nordic nRF21540

. . . . . 5 2 About this document. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 Document status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2 Register tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2.1 Fields and values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2.2 Pe.

Part

nRF21540

Description

RF front-end module



Feature


nRF21540 Product Specification v1.0 44 46_194 v1.0 / 2020-08-20 Key features Key features: • Front-end module with RF PA and LNA ® • Supports Bluetoot h Low Energy, IEEE 802.15.4, and propri etary applications • Max output power 22 dBm • Adjustable output power to ±1 dB from 5 to 21 dBm • User progra mmable modes for TX gain • Non-volati le memory storage for gain setti.
Manufacture

Nordic

Datasheet
Download nRF21540 Datasheet




 nRF21540
nRF21540
Product Specification
v1.0
4446_194 v1.0 / 2020-08-20




 nRF21540
Key features
Key features:
• Front-end module with RF PA and LNA
®
• Supports Bluetooth Low Energy, IEEE 802.15.4, and proprietary applications
• Max output power 22 dBm
• Adjustable output power to ±1 dB from 5 to 21 dBm
• User programmable modes for TX gain
• Non-volatile memory storage for gain settings
• Dual antenna port with antenna diversity support
• Receive gain +13 dB
• Single-ended 50 Ω matched input and output
• 110 mA @ +20 dBm output power
• 38 mA @ +10 dBm output power
• Control interface via I/O, SPI, or a combination of both
• Supply voltage 1.7 to 3.6 V, suitable for 1.8 V ±5% systems
• Operating temperature -40°C to 105°C
• Package variant QFN16 4 x 4 mm
Applications:
• Smart Home applications
• Industrial and factory automation
• Asset tracking
• Advanced CE remote controls
• Sports and fitness
• Toys
• Medical
• Beacons
4446_194 v1.0
ii




 nRF21540
Contents
Key features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
1 Revision history. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 About this document. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Document status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Register tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2.1 Fields and values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2.2 Permissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3 Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3.1 DUMMY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Product overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5 Device control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.1 Operational states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.2 Antenna control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.3 State transition timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.4 TX power control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.5 UICR programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6 SPI interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7 Electrical specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.1 Electrical specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.1.1 Current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.1.2 RX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.1.3 TX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.1.4 SPI timing specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.2 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8 Register interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.1 Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.1.1 CONFREG0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.1.2 CONFREG1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.1.3 CONFREG2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.1.4 CONFREG3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.1.5 PARTNUMBER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.1.6 HW_REVISION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8.1.7 HW_ID0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8.1.8 HW_ID1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
9 Hardware and layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
9.1 Pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
9.2 Mechanical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9.2.1 QFN 4 x 4 mm package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4446_194 v1.0
iii



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