Data Sheet

Table of Contents
1. Features List ...............................4
2. Ordering Information ............................5
3. System Overview ..............................6
3.1 Introduction ...............................6
3.2 Wi-Fi Supported 2.4 GHz Bandwidth and Channels .................7
4. Electrical Specifications ...........................8
4.1 Absolute Maximum Ratings..........................8
4.2 Operating Conditions ............................9
4.3 Power Consumption ............................10
4.4 RF Transmitter General Characteristics .....................11
4.4.1 RF Transmitter Characteristics .......................12
4.5 RF Receiver General Characteristics ......................12
4.5.1 RF Receiver Characteristics ........................13
4.6 Reference Oscillator and Low Power Clock Characteristics ...............14
4.6.1 Low Power 32.768 kHz Clock Input Requirements ................14
4.7 Interface Terminal Characteristics .......................14
4.7.1 Supply Terminal Specifications .......................14
4.7.2 Digital I/O Terminal Specifications ......................15
4.8 Host Interface ..............................15
4.8.1 SPI Specification ............................17
4.8.2 SDIO Specification ...........................18
5. Typical Applications and Connections .....................19
5.1 Typical Application Circuit for SDIO Host Interface ..................19
5.2 Typical Application Circuit for SPI Host Interface ..................20
5.3 Power States and Low-Power Modes .....................21
5.4 RF Connections .............................21
5.4.1 RF Ports ..............................21
5.4.2 Antenna Diversity ...........................21
5.4.3 Embedded Antenna Pins .........................21
5.5 Clocks .................................21
5.5.1 High Frequency Crystal Oscillator ......................21
5.5.2 LP_CLK Port .............................22
5.6 Multi-Protocol Coexistence ..........................22
6. Pin Descriptions .............................23
7. Package Outline .............................25
8. Land Pattern ..............................29
9. Top Marking............................... 31
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