TC1796
System Units (Vol. 1 of 2)
Peripheral Control Processor (PCP)
User’s Manual 11-71 V2.0, 2007-07
PCP, V2.0
SRR 13 rh PCP Node x Service Request Flag
0
B
No service requested (default)
1
B
Valid active service requested
SRCN [23:16] rh PCP Node x Service Request Channel Number
Channel Number Entry (default = 0). When the PCP
interrupt request was raised by the PCP Processor
Core when executing an EXIT instruction, then this
bit field contains the SRPN value taken from R6
when the exit instruction was executed. When the
PCP interrupt request was raised by the PCP
Processor Core when suspending execution of a
channel program in order to service a higher-priority
interrupt then this bit field contains the channel
number of the channel that was suspended.
RRQ 28 rh PCP Node x Channel Restart Request
Set when this service request register n contains an
active service request that is associated with a
suspended interrupt (i.e. a channel that has been
interrupted by a higher-priority channel).
0
B
The interrupt is not suspended
1
B
The interrupt is suspended
RRQ is always 0 when SRR is 0.
0 [9:8],
[15:14],
[27:24],
[31:29]
r Reserved
Read as 0.
Field Bits Type Description