CS22250 Datasheet, PDF (17/32 Pages) Cirrus Logic – WIRELESS 10BT CONTROLLER

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