CYW43362
Contents
7.2 One-Time Programmable Memory .....................30
7.3 GPIO Interface ...................................................30
7.4 JTAG Interface ..................................................30
7.5 UART Interface .................................................30
1. Overview............................................................ 5
1.1 Overview ............................................................. 5
1.2 Standards Compliance ........................................ 5
2. Power Supplies and Power Management....... 7
2.1 WLAN Power Management ................................. 7
2.2 Power Supply Topology ...................................... 7
2.3 Voltage Regulators .............................................. 8
2.4 PMU Sequencing ................................................ 8
2.5 Low-Power Shutdown ......................................... 9
2.6 CBUCK Regulator Features ................................ 9
8. WLAN Software Architecture......................... 31
8.1 Host Software Architecture ................................31
8.2 Device Software Architecture .............................31
8.2.1 Remote Downloader ...............................31
8.3 Wireless Configuration Utility .............................32
9. Pinout and Signal Descriptions..................... 32
9.1 Signal Assignments ............................................32
9.2 WLAN GPIO Signals and Strapping Options .....40
3. Frequency References ................................... 10
3.1 Crystal Interface and Clock Generation ............ 10
3.2 TCXO ................................................................ 10
3.3 External 32.768 kHz Low-Power Oscillator ....... 12
10.DC Characteristics.......................................... 41
10.1 Absolute Maximum Ratings ...............................41
10.2 Environmental Ratings .......................................41
10.3 Electrostatic Discharge Specifications ...............41
4. WLAN System Interfaces ............................... 13
4.1 SDIO v2.0 .......................................................... 13
4.1.1 SDIO Pin Descriptions ........................... 13
10.4 Recommended Operating Conditions and
DC Characteristics .............................................42
4.2 Generic SPI Mode ............................................. 14
4.2.1 SPI Protocol ........................................... 15
4.2.1.1.Command Structure ...................... 17
4.2.1.2.Write .............................................. 17
4.2.1.3.Write/Read ..................................... 17
4.2.1.4.Read .............................................. 17
4.2.1.5.Status ............................................ 17
4.2.2 gSPI Host-Device Handshake ............... 19
4.2.3 Boot-Up Sequence ................................ 20
11.WLAN RF Specifications................................ 43
11.1 2.4 GHz Band General RF Specifications ..........43
11.2 WLAN 2.4 GHz Receiver Performance
Specifications .....................................................43
11.3 WLAN 2.4 GHz Transmitter Performance
Specifications .....................................................46
11.4 General Spurious Emissions Specifications .......47
4.3 External Coexistence Interface ........................ 22
12.Internal Regulator Electrical S
5. Wireless LAN MAC and PHY.......................... 24
pecifications.................................................... 48
5.1 MAC Features ................................................... 24
5.1.1 MAC Description .................................... 24
5.1.1.1.PSM ............................................... 25
5.1.1.2.WEP .............................................. 25
5.1.1.3.TXE ................................................ 25
5.1.1.4.RXE ............................................... 25
5.1.1.5.IFS ................................................. 26
5.1.1.6.TSF ................................................ 26
5.1.1.7.NAV ............................................... 26
5.1.1.8.MAC-PHY Interface ....................... 26
12.1 Core Buck Regulator ..........................................48
12.2 3.3V LDO (LDO3P3) ..........................................50
12.3 CLDO .................................................................50
12.4 LNLDO1 .............................................................51
13.System Power Consumption......................... 52
14.Interface Timing and AC Characteristics ..... 53
14.1 SDIO Default Mode Timing ................................53
14.2 SDIO High-Speed Mode Timing .........................54
14.3 gSPI Signal Timing .............................................55
14.4 JTAG Timing ......................................................55
5.2 PHY Description ................................................ 26
5.2.1 PHY Features ........................................ 26
6. WLAN Radio Subsystem................................ 29
6.1 Receive Path ..................................................... 29
6.2 Transmit Path .................................................... 29
6.3 Calibration ......................................................... 29
15.Package Information ...................................... 56
15.1 Package Thermal Characteristics ......................56
15.1.1 Junction Temperature Estimation and
PSI Versus Thetajc ..................................56
7. CPU and Global Functions............................. 30
7.1 WLAN CPU and Memory Subsystem ............... 30
Document No. 002-14779 Rev. *G
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