Datasheet

Page 77 of 161
nRF8001 Product Specification
Revision 1.2
If no credit event is received within 180 seconds after issuing a data command, then the application
controller should issue the disconnect command to recover from this error condition
1
. Table 28. lists
relevant ACI commands/events and lists their effect on the data command buffer memory.
Table 28.ACI commands and events affecting command buffer memory credits
1. Data sent over a Bluetooth LE link can be No Acknowledged by the peer Bluetooth radio infinitely, that is, when data is
sent using SendData/RequestData/SendDataAck. This is seen on the ACI as a missing Data Credit Event for a Send-
Data/RequestData/SendDataAck. The application can disconnect to recover from this condition.
ACI Command/Event Effect on command buffer memory
DeviceStartedEvent
Data service pipes disconnected: No credits can be used
PipeStatusEvent Data service pipes are connected and in open state: Credits can be used
for the service pipes identified as open
DisconnectedEvent Data pipes disconnected: No credits can be used
DataAckEvent No effect on buffer memory status
DataCreditEvent (n) Returns n buffer memory credits to the application controller
DataReceivedEvent No effect on buffer memory status
SendData Uses ONE available credit
SendDataAck Uses ONE available credit
SendDataNack Uses ONE available credit
RequestData Uses ONE available credit
OpenRemotePipe No effect on buffer memory status