Datasheet

Page 63 of 161
nRF8001 Product Specification
Revision 1.2
Figure 29. Data transfer on a transmit pipe - acknowledgment enabled and data stored locally
Figure 30. Data transfer on a transmit pipe; data stored remotely
Application controller
nRF8001
Peer
SendData
(
PipeNumber, Data)
SERVICE PIPE - ”TX-ACK”
(Local store)
ATT: Handle Value Indication (Handle=Characteristic, Data)
ATT: Handle Value Comfirmation ()
DataAckEvent
(
PipeNumber)
DataCreditEvent
ATT Timer
Local
GATT
Server
Radio Acknowledgment for ATT: Handle Value Indication
Application controller nRF8001 Peer
SendData
(
PipeNumber, Data)
SERVICE PIPE - ”TX”
(Remote Store)
ATT: Write Command (Handle, Data)
Remote
GATT
Server
DataCreditEvent
Radio Acknowledgement for ATT: Write Command
GATT
Client