A conditional access device is provided. The conditional access device
typically includes conditional access decryption, interface, timing and
control logic. The conditional access decryption logic decrypts an
incoming signal for use in a consumer electronics device in accordance
with previously received entitlement management messages. The interface
logic receives a control signal including an entitlement management
message window from a headend control system through a receiver in the
consumer electronics device. The timing logic asserts an awake signal
responsive to the entitlement management message window becoming active.
The control logic sends a request to the consumer electronic device to
activate a receiver coupled to the headend control system in expectation
of receiving an entitlement management message via the control signal in
response to assertion of the awake signal. The control logic also
communicates the entitlement management message to the conditional access
decryption logic. Other systems and method are also provided.