BCM43907 Preliminary Data Sheet
Table of Contents
Section 17: Interface Timing and AC Characteristics.................................................... 99
Ethernet MAC (MII/RMII) Interface Timing................................................................................................ 99
MII Receive Packet Timing.................................................................................................................... 99
MII Transmit Packet Timing................................................................................................................. 100
RMII Receive Packet Timing............................................................................................................... 101
RMII Transmit Packet Timing.............................................................................................................. 102
I2S Master and Slave Mode TX Timing ................................................................................................... 103
SDIO Interface Timing.............................................................................................................................. 105
SDIO Default-Speed Mode Timing...................................................................................................... 105
SDIO High-Speed Mode Timing.......................................................................................................... 106
SDIO Bus Timing Specifications in SDR Modes ................................................................................. 107
Clock Timing ................................................................................................................................ 107
Device Input Timing ..................................................................................................................... 108
Device Output Timing................................................................................................................... 109
S/PDIF Interface Timing ........................................................................................................................... 110
SPI Flash Timing....................................................................................................................................... 112
Read-Register Timing ......................................................................................................................... 112
Write-Register Timing.......................................................................................................................... 113
Memory Fast-Read Timing.................................................................................................................. 114
Memory-Write Timing.......................................................................................................................... 115
SPI Flash Parameters ......................................................................................................................... 116
USB PHY Electrical Characteristics and Timing ................................................................................... 117
USB 2.0 and USB 1.1 Electrical and Timing Parameters.................................................................... 117
USB 2.0 Timing Diagrams................................................................................................................... 119
Section 18: Power-Up Sequence and Timing ............................................................... 122
Sequencing of Reset and Regulator Control Signals ........................................................................... 122
Description of Control Signals............................................................................................................. 122
Control Signal Timing Diagrams.......................................................................................................... 123
Section 19: Thermal Information.................................................................................... 124
Package Thermal Characteristics........................................................................................................... 124
Junction Temperature Estimation and PSIJT Versus THETAJC ........................................................... 124
Environmental Characteristics................................................................................................................ 124
Section 20: Mechanical Information .............................................................................. 125
Section 21: Ordering Information .................................................................................. 126
Broadcom®
March 12, 2016 • 43907-DS104-R
Page 8
BROADCOM CONFIDENTIAL
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