COBHAM GR740 - Page 197

GR740-UM-DS, Nov 2017, Version 1.7 197 www.cobham.com/gaisler
GR740
Table 205. 0x00000E84-0x00000EA0 - RTR.CREDCNT - Credit counter, ports 1-8
31 12 11 6 5 0
RESERVED OC IC
0x00000 0 0
rrr
31: 12 RESERVED
11: 6 Out credit counter (OC) - Number of outgoing credits. For each credit, the other end of the link is allowed to
send one N-Char.
5: 0 In credit counter (IC) - Number of incoming credits. For each credit, the port is allowed to transmit one N-Char.
NOTE: This register is only available for SpaceWire ports.
Table 206. 0x00001004-0x000013FC - RTR.RTCOMB - Routing table, combined port mapping and address control,
addresses 1-255
31 30 29 28 27 20 19 10
SR EN PR HD RESERVED PE PD
N/R
0
N/R N/R
0x00
N/R N/R
rw
rw
rw rw
r
rw rw
31 Spill-if-not-ready (SR) - This bit is a double mapping of the RTR.RTACTRL.SR bit. See table 176.
30 Enable (EN) - This bit is a double mapping of the RTR.RTACTRL.EN bit. See table 176.
29 Priority (PR) - This bit is a double mapping of the RTR.RTACTRL.PR bit. See table 176.
28 Header deletion (HD) - This bit is a double mapping of the RTR.RTACTRL.HD bit. See table 176.
27: 20 RESERVED
19: 1 Port enable bits (PE) - This field is a double mapping of the RTR.RTPMAP.PE field. See table 175.
NOTE: This register is not available via on-chip AHB slave interface. Only available through RMAP.
0 Packet distribution (PD) - This field is a double mapping of the RTR.RTPMAP.PD field. See table 175.
NOTE: See note for RTR.RTPMAP (table 175).