USB2514 datasheet(18/57 Pages) MICROCHIP

tên linh kiện	USB2514

Giải thích chi tiết về linh kiện	USB 2.0 Hi-Speed Hub Controller

PDF	57 Pages

Scroll/Zoom	100%

nhà sản xuất	MICROCHIP [Microchip Technology]

Trang chủ	http://www.microchip.com

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18 / 57 page

USB251xB/xBi

DS00001692C-page 18

 2010 - 2015 Microchip Technology Inc.

4.2

Battery Charging Configuration

The battery charging option can be configured in one of two ways:

• When the hub is brought up in the default configuration with strapping options enabled, with the PRT-

PWR[x:1]/BC_EN[x:1] pins configured. See the following sections for details:

- Section 3.3, "Pin Descriptions (Grouped by Function)," on page 12

- Section 3.3.1.2, "Internal Pull-Down (IPD)," on page 15

• When the hub is initialized for configuration over I2C EEPROM or SMBus. Either of these interfaces can be used

to configure the battery charging option.

4.2.1

BATTERY CHARGING ENABLED VIA I2C EEPROM OR SMBUS

0xD0 starting from bit 1 enables battery charging for each downstream port when asserted. Bit 1 represents port 1, bit

2 represents port 2, etc. Each port with battery charging enabled asserts the corresponding PRTPWR[x:1] pin.

USB2514 bảng dữ liệu(PDF) 18 Page - Microchip Technology