CS22210 datasheet(17/31 Pages) CIRRUS

номер детали	CS22210

подробное описание детали	WIRELESS PCI/USB CONTROLLER

PDF	31 Pages

Scroll/Zoom	100%

производитель	CIRRUS [Cirrus Logic]

домашняя страница	http://www.cirrus.com

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17 / 31 page

CS22210 PCI/USB Wireless Controller

17 of 31

D556PP2

Rev. 3.0

www.cirrus.com

nSERR

Output/Open Drain

PCI system error. This open drain signal is used to indicate a fatal parity

error on PCI address.

nREQ

Input

PCI master request. Used by the PCI master to indicate it needs to drive

the PCI bus.

nGNT

Bi-directional

PCI master grant. Used by the PCI master to indicate OK to drive the PCI

bus.

PAR

Bi-directional

PCI parity. This signal is asserted one clock after data transfer has

occurred on the PCI bus.

PME

Output/Open Drain

Power management event. Use to let the system knows a change in

power management event has occurred.

System Reset

nRST

Input

System reset and PCI reset. Reset is an asynchronous signal that forces

thechiptogo to a knownstate.This is anactivelow signal.

USB Interface

USBVP

Bi-directional

Differential USB data plus. For high-speed mode, this signal is pull up to 5

volt during IDLE state (see USB_ENUM).

USBVM

Bi-directional

Differential USB data minus.

USB_ENUM

Output

USB enumeration. Indicates a disconnect/connect event. USB_ENUM is

used to pull the D+ line high, indicating to the host or hub a USB bus “full

rate” connection is active.

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