Cypress CYW43353 - Page 5

Document No. 002-14949 Rev. *E Page 5 of 113
PRELIMINARY
CYW43353
12.Pinout and Signal Descriptions..................... 56
12.1 Ball Maps .......................................................... 56
12.2 Signal Descriptions ........................................... 57
12.3 WLAN GPIO Signals and Strapping Options .... 62
12.3.1 Multiplexed Bluetooth GPIO Signals ..... 63
12.4 GPIO/SDIO Alternative Signal Functions .......... 65
12.5 I/O States .......................................................... 66
13.DC Characteristics.......................................... 69
13.1 Absolute Maximum Ratings .............................. 69
13.2 Environmental Ratings ...................................... 69
13.3 Electrostatic Discharge Specifications .............. 70
13.4 Recommended Operating Conditions and DC
Characteristics .................................................. 70
14.Bluetooth RF Specifications .......................... 72
15.WLAN RF Specifications ................................ 78
15.1 Introduction ....................................................... 78
15.2 2.4 GHz Band General RF Specifications ......... 78
15.3 WLAN 2.4 GHz Receiver Performance
Specifications .................................................... 79
15.4 WLAN 2.4 GHz Transmitter Performance
Specifications .................................................... 82
15.5 WLAN 5 GHz Receiver Performance
Specifications .................................................... 83
15.6 WLAN 5 GHz Transmitter Performance
Specifications .................................................... 86
15.7 General Spurious Emissions Specifications ...... 87
16.Internal Regulator Electrical Specifications. 87
16.1 Core Buck Switching Regulator ........................ 87
16.2 3.3V LDO (LDO3P3) ......................................... 88
16.3 2.5V LDO (BTLDO2P5) ..................................... 89
16.4 CLDO .................................................................90
16.5 LNLDO ...............................................................91
17.System Power Consumption ......................... 92
17.1 WLAN Current Consumption ..............................92
17.2 Bluetooth Current Consumption .........................94
18.Interface Timing and AC Characteristics ..... 95
18.1 SDIO/gSPI Timing ..............................................95
18.1.1 SDIO Default Mode Timing .....................95
18.1.2 SDIO High-Speed Mode Timing .............96
18.1.3 SDIO Bus Timing Specifications in SDR
Modes .....................................................97
18.1.4 SDIO Bus Timing Specifications in DDR50
Mode .....................................................100
18.1.5 gSPI Signal Timing ...............................103
18.2 JTAG Timing ....................................................103
19.Power-Up Sequence and Timing ................. 104
19.1 Sequencing of Reset and Regulator Control
Signals .............................................................104
19.1.1 Description of Control Signals ..............104
19.1.2 Control Signal Timing Diagrams ...........105
20.Package Information .................................... 107
20.1 Package Thermal Characteristics ....................107
20.2 Junction Temperature Estimation and PSI
JT
Versus
THETA
JC
..........................................................107
20.3 Environmental Characteristics .........................107
21.Mechanical Information................................ 108
22.Ordering Information.................................... 110
23.IoT Resources ............................................... 110
23.1 References .......................................................110
Document History Page............................................... 111
Sales, Solutions, and Legal Information .................... 113