USB3813 Datasheet, PDF (20/68 Pages) SMSC Corporation – USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications

USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications
Datasheet
YES
Load BC registers
On RO
(BC_INIT)
Run BC Detect
On RO
(HW_INIT)
REFCLK
Present
NO
YES
Dead Battery
Bond Option
NO
YES
Run From
External SPI ROM
External
SPI ROM
present?
(SW_INIT)
NO
Run from
Internal ROM
YES
SMBus or I2C
Present?
NO
NO
(WAITREF)
YES
REFCLK
Present
Do SMBus or I2C
Initialization
Config Load
From Internal ROM
NO
SOC Done?
YES
(SOC_CFG)
Figure 5.1 Hub Operational Mode Flowchart
Combine OTP
Config Data
(CONFIG)
SW Upstream
BC detection
(CHGDET)
Hub Connect
(Hub.Connect)
Normal
operation
Revision 1.0 (06-17-13)
20
DATASHEET
SMSC USB3813