Table of Contents
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Contents
1. Overview ............................................................ 6
1.1 Overview ............................................................. 6
1.2 Features .............................................................. 8
1.3 Standards Compliance ........................................ 8
1.4 Automotive and Industrial Usage Model ............. 9
2.1 Power Supply Topology .................................... 10
2.2 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 Frequency Selection ......................................... 16
3.4 External 32.768 kHz Low-Power Oscillator ....... 17
4. Bluetooth Subsystem Overview .................... 18
4.1 Features ............................................................ 18
4.2 Bluetooth Radio ................................................. 19
4.2.1 Transmit ................................................. 19
4.2.2 Digital Modulator .................................... 19
4.2.4 Power Amplifier ..................................... 19
4.2.5 Receiver ................................................ 19
4.2.6 Digital Demodulator and Bit Synchronizer 19
4.2.7 Receiver Signal Strength Indicator ........ 20
4.2.8 Local Oscillator Generation ................... 20
4.2.9 Calibration ............................................. 20
5. Bluetooth Baseband Core.............................. 21
5.1 Bluetooth 4.1 Features ...................................... 21
5.2 Bluetooth Low Energy ....................................... 21
5.3 Link Control Layer ............................................. 22
5.4 Test Mode Support ............................................ 22
5.5 Bluetooth Power Management Unit .................. 23
5.5.1 RF Power Management ......................... 23
5.5.3 BBC Power Management ...................... 24
5.5.4 Wideband Speech ................................. 25
5.5.5 Packet Loss Concealment ..................... 25
5.5.6 Audio Rate-Matching Algorithms ........... 26
5.5.7 Codec Encoding .................................... 26
Streams ................................................. 26
5.6 Adaptive Frequency Hopping ............................ 26
5.7 Advanced Bluetooth/WLAN Coexistence .......... 26
Document Number: 002-14949 Rev. *G
PRELIMINARY
Bluetooth ......................................................... 27
6.1 RAM, ROM, and Patch Memory .........................27
6.2 Reset ..................................................................27
7. Bluetooth Peripheral Transport Unit............. 28
7.1 PCM Interface ....................................................28
7.2 UART Interface ..................................................34
7.3 I
8. WLAN Global Functions................................. 39
8.1 WLAN CPU and Memory Subsystem ................39
8.2 One-Time Programmable Memory .....................39
8.3 GPIO Interface ...................................................39
8.4 External Coexistence Interface ..........................40
8.5 UART Interface ..................................................40
8.6 JTAG Interface ...................................................40
9. WLAN Host Interfaces .................................... 41
9.1 SDIO v3.0 ...........................................................41
9.2 Generic SPI Mode ..............................................42
10. Wireless LAN MAC and PHY.......................... 50
10.1 IEEE 802.11ac MAC ..........................................50
10.2 IEEE 802.11ac PHY ...........................................52
11. WLAN Radio Subsystem ............................... 54
11.1 Receiver Path .....................................................54
11.2 Transmit Path .....................................................54
11.3 Calibration ..........................................................54
Scans) ................................................................26
7.1.1 Slot Mapping ...........................................28
7.1.2 Frame Synchronization ...........................28
7.1.3 Data Formatting ......................................28
7.1.4 Wideband Speech Support .....................28
7.1.5 Multiplexed Bluetooth Over PCM ...........28
7.1.6 PCM Interface Timing .............................30
2
S Interface .......................................................36
2
7.3.1 I
S Timing ...............................................36
9.1.1 SDIO Pins ...............................................41
9.2.1 SPI Protocol ............................................43
9.2.2 gSPI Host-Device Handshake ................47
9.2.3 Boot-Up Sequence .................................47
10.1.1 PSM ........................................................51
10.1.2 WEP .......................................................51
10.1.3 TXE .........................................................51
10.1.4 RXE ........................................................51
10.1.5 IFS ..........................................................52
10.1.6 TSF .........................................................52
10.1.7 NAV ........................................................52
CYW43353
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