CS22250 データシートの表示（PDF） - Cirrus Logic

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CS22250

Wireless 10BT Controller

Cirrus Logic 

ETXEN

ECOL

ECRS

ERXCLK

ERXDO

System Reset

EXT_RESET

CSS

CSR

Output

Transmit enable. This signal is synchronous to ETXCLK. It enables data

transmission.

Input

Collision signal. This input signal indicates whether a collision occurred

in the network.

Input

Carrier detect. An input from the PHY layer thatindicates there is activity

in the network.

Input

Receive clock. This is the reference receive clock from the PHY layer.

Input

Receive data. It is synchronized with receive clock.

Input

The system must place the RESET signal in a high-Z state during card

power up. The signal must remain high impedance for at least 1 msec

after Vcc becomes valid.

Input

(Clear Settings Set) Network security ID reset request.

(Clear Settings Reset) Network security ID reset successful.

Output

External Control Bus

OSAD[31:0]

Bi-directional

Multiplexed address and data bus on the external control bus to a shared

32-bit bus on the external control bus. Also, de-multiplexing of the data

from external control bus to the internal control bus.

CS22250 Wireless 10BT Controller

17 of 32

www.cirrus.com

DS551PP2 Rev. 3.0

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