USB4604 datasheet(49/71 Pages) SMSC

49 / 71 page

USB 2.0 HSIC Hi-Speed 4-Port Hub Controller

Datasheet

SMSC USB4604

Revision 1.0 (06-17-13)

DATASHEET

Table 7.13 Upstream (Port 0) Battery Charging Control 2 Register

BC_CTL_2

(0x6101- RESET=0x00)

UPSTREAM (PORT 0) BATTERY CHARGING CONTROL 2

BIT

NAME

R/W

DESCRIPTION

BC_10_125K_PU_DP

R/W

Setting this bit enables a 125K pull-up to VDD33 on DP. This

is used for USB battery charging in 1.0 mode detection only.

BC_10_125K_PU_DM

R/W

Setting this bit enables a 125K pull-up to VDD33 on DM. This

is used for USB battery charging in 1.0 mode detection only.

LINESTATE_DP

This is the direct value of the Full-Speed USB line state Data

Plus. It is used for battery charging detection. This line is not

valid in HS mode and should only be used in battery charging

detection.

LINESTATE_DM

This is the direct value of the Full-Speed USB line state Data

Minus. It is used for battery charging detection. This line is not

valid in HS mode and should only be used for battery charging

detection.

USB2_FS_DP

This is the raw Full-Speed single ended receiver output for

Data Plus

USB2_FS_DM

This is the raw Full-Speed single ended receiver output for

Data Minus

1:0

Reserved

Always read ‘0’

USB4604 Datasheet(PDF) 49 Page - SMSC Corporation