FUJITSU MB86617A - Manual (Page 35)

LSI S pecification MB86617A
Rev.1.0 Fujitsu VLSI
30
BIT Bit Name Action Value Function
0 Indicates that the device is not in forced sleep.
4 sleep Read
1
Indicates that the device is in forced sleep by accepting “Start sleep” (01h)
instruction.
0 Indicates that no data is stored in ASYNC receive specific buffer.
3 data req Read
1 Indicates that data is stored in ASYNC receive specific buffer.
0 Indicates that packet receive is not in busy mode.
2
recv busy
Note 2 )
Read
1
Indicates that packet receive is in busy mode due to receipt of Asynchronous
packet and self-ID packet.
0 Indicates that node is not the cycle master now.
1 cmstr Read
1 Node is the cycle master now.
0 Interrupt indicate register does not have interrupt.
0 INT Read
1 Interrupt indicate register has interrupt.
Note 1) IEEE1394 block is in internal reset status until integrated PLL is locked after turning the power ON. PHY layer and Link
layer do not operate during this period.
Note 2) In case that Asynchronous packet addressed to this node is received with this Bit indicate ‘1’, it transmits “ack busy X”.