BCM43455 Preliminary Data Sheet
Table of Contents
20 MHz Channel Spacing .................................................................................................... 127
40 MHz Channel Spacing .................................................................................................... 128
80 MHz Channel Spacing .................................................................................................... 129
Receiver Spurious Emissions Specifications ...................................................................................... 129
Section 18: Internal Regulator Electrical Specifications ............................................. 130
Core Buck Switching Regulator.............................................................................................................. 130
3.3V LDO (LDO3P3) .................................................................................................................................. 131
2.5V LDO (BTLDO2P5) ............................................................................................................................. 132
CLDO ......................................................................................................................................................... 133
LNLDO ....................................................................................................................................................... 134
PCIe LDO................................................................................................................................................... 135
Section 19: System Power Consumption...................................................................... 136
WLAN Current Consumption................................................................................................................... 136
2.4 GHz Mode ..................................................................................................................................... 136
5 GHz Mode........................................................................................................................................ 137
Bluetooth Current Consumption............................................................................................................. 138
Section 20: Interface Timing and AC Characteristics.................................................. 139
SDIO Timing.............................................................................................................................................. 139
SDIO Default Mode Timing ................................................................................................................. 139
SDIO High-Speed Mode Timing.......................................................................................................... 141
SDIO Bus Timing Specifications in SDR Modes ................................................................................. 142
Clock Timing ................................................................................................................................ 142
Card Input Timing......................................................................................................................... 143
Card Output Timing...................................................................................................................... 144
SDIO Bus Timing Specifications in DDR50 Mode............................................................................... 146
Data Timing.................................................................................................................................. 147
PCI Express Interface Parameters.......................................................................................................... 148
JTAG Timing ............................................................................................................................................. 150
SWD Timing .............................................................................................................................................. 150
Section 21: Power-Up Sequence and Timing ............................................................... 151
Sequencing of Reset and Regulator Control Signals ........................................................................... 151
Description of Control Signals............................................................................................................. 151
Control Signal Timing Diagrams.......................................................................................................... 152
Section 22: Package Information................................................................................... 154
Package Thermal Characteristics........................................................................................................... 154
Junction Temperature Estimation and PSIJT Versus THETAJC ........................................................... 154
Environmental Characteristics................................................................................................................ 154
Broadcom®
November 5, 2015 • 43455-DS109-R
Page 11
BROADCOM CONFIDENTIAL
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