CYW4354
Contents
1. Overview ........................................................................6
1.1 Overview ...............................................................6
1.2 Features ................................................................ 8
1.3 Standards Compliance.......................................... 9
2. Power Supplies and Power Management .................10
2.1 Power Supply Topology ......................................10
2.2 CYW4354 PMU Features ....................................10
2.3 WLAN Power Management................................. 12
2.4 PMU Sequencing ................................................ 12
2.5 Power-Off Shutdown ........................................... 13
2.6 Power-Up/Power-Down/Reset Circuits ...............13
3. Frequency References ...............................................14
3.1 Crystal Interface and Clock Generation ..............14
3.2 External Frequency Reference ............................15
3.3 External 32.768 kHz Low-Power Oscillator .........17
4. Bluetooth + FM Subsystem Overview ......................18
4.1 Features ..............................................................18
4.2 Bluetooth Radio................................................... 19
5. Bluetooth Baseband Core .........................................21
5.1 Bluetooth 4.1 Features ........................................21
5.2 Bluetooth Low Energy .........................................21
5.3 Link Control Layer ............................................... 21
5.4 Test Mode Support ..............................................22
5.5 Bluetooth Power Management Unit .....................22
5.6 Adaptive Frequency Hopping ..............................26
5.7 Advanced Bluetooth/WLAN Coexistence............ 27
5.8 Fast Connection (Interlaced Page and
Inquiry Scans)................................................................... 27
6. Microprocessor and Memory Unit for Bluetooth .....28
6.1 RAM, ROM, and Patch Memory ..........................28
6.2 Reset ...................................................................28
7. Bluetooth Peripheral Transport Unit ........................29
7.1 SPI Interface ........................................................29
7.2 SPI/UART Transport Detection ...........................29
7.3 PCM Interface .....................................................29
7.4 USB Interface...................................................... 37
7.5 UART Interface.................................................... 39
7.6 I2S Interface ........................................................ 41
8. FM Receiver Subsystem ............................................44
8.1 FM Radio .............................................................44
8.2 Digital FM Audio Interfaces .................................44
8.3 FM Over Bluetooth ..............................................44
8.4 eSCO ...................................................................44
8.5 Wide Band Speech Link ......................................44
8.6 A2DP ...................................................................44
8.7 Autotune and Search Algorithms .........................44
8.8 Audio Features.................................................... 45
8.9 RDS/RBDS ..........................................................47
9. WLAN Global Functions ............................................48
9.1 WLAN CPU and Memory Subsystem ..................48
9.2 One-Time Programmable Memory ......................48
9.3 GPIO Interface ....................................................48
9.4 External Coexistence Interface ...........................49
9.5 UART Interface ....................................................50
9.6 JTAG Interface ....................................................50
9.7 SPROM Interface ................................................50
9.8 SFLASH Interface ...............................................50
10. WLAN Host Interfaces ..............................................51
10.1 SDIO v3.0 ..........................................................51
10.2 HSIC Interface ..................................................53
10.3 PCI Express Interface .......................................53
11. Wireless LAN MAC and PHY ...................................56
11.1 IEEE 802.11ac Draft MAC .................................56
11.2 IEEE 802.11ac Draft PHY .................................59
12. WLAN Radio Subsystem .........................................61
12.1 Receiver Path ....................................................61
12.2 Transmit Path ....................................................61
12.3 Calibration .........................................................62
13. Pinout and Signal Descriptions ..............................63
13.1 Ball Maps ...........................................................63
13.2 Pin Lists .............................................................65
13.3 Signal Descriptions............................................ 82
13.4 WLAN/BT GPIO Signals and Strapping Options 96
13.5 GPIO Alternative Signal Functions.................... 97
13.6 I/O States ..........................................................99
14. DC Characteristics .................................................102
14.1 Absolute Maximum Ratings .............................102
14.2 Environmental Ratings ....................................103
14.3 Electrostatic Discharge Specifications ............103
14.4 Recommended Operating Conditions and
DC Characteristics ..........................................................104
15. Bluetooth RF Specifications ..................................106
16. FM Receiver Specifications ...................................112
17. WLAN RF Specifications ........................................116
17.1 Introduction ......................................................116
17.2 2.4 GHz Band General RF Specifications .......116
17.3 WLAN 2.4 GHz Receiver Performance
Specifications .................................................................117
17.4 WLAN 2.4 GHz Transmitter Performance
Specifications .................................................................123
17.5 WLAN 5 GHz Receiver Performance
Specifications ................................................................. 124
17.6 WLAN 5 GHz Transmitter Performance
Specifications ................................................................. 131
18. Internal Regulator Electrical Specifications ........132
18.1 Core Buck Switching Regulator .......................132
18.2 3.3V LDO (LDO3P3) .......................................133
18.3 3.3V LDO (LDO3P3_B) ...................................134
18.4 2.5V LDO (BTLDO2P5)................................... 135
18.5 CLDO .............................................................. 136
18.6 LNLDO ............................................................ 137
19. System Power Consumption .................................138
19.1 WLAN Current Consumption ...........................138
19.2 Bluetooth and FM Current Consumption......... 140
20. Interface Timing and AC Characteristics .............141
20.1 SDIO Timing ....................................................141
20.2 HSIC Interface Specifications ..........................150
20.3 PCI Express Interface Parameters.................. 151
20.4 JTAG Timing .................................................. 152
21. Power-Up Sequence and Timing ...........................153
Document Number: 002-14809 Rev. *J
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