Texas TMS320C645X Manuale Utente
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5.103
Port IP Discovery Timer in 4x mode (SP_IP_DISCOVERY_TIMER)
SRIO Registers
Figure 159. Port IP Discovery Timer in 4x mode (SP_IP_DISCOVERY_TIMER)
31-28
27-24
23-20
19-16
DISCOVERY_TIMER
Reserved
PW_TIMER
Reserved
RW-0x09
R-0x00
RW-0x08
R-0x00
LEGEND: R = Read only; -n = value after reset
15-0
Reserved
R-0x00
LEGEND: R = Read only; -n = value after reset
Table 133. Port IP Discovery Timer in 4x mode (SP_IP_DISCOVERY_TIMER) Field Descriptions
Bit
Field
Value
Description
31-28
DISCOVERY_TI
Discovery Timer in 4x mode. The discovery-timer allows time for the link partner to enter its
MER
DISCOVERY state and if the link partner is supporting 4x mode, for all 4 lanes to be aligned.
0000b
102.4pS, for debug only
0001b
0.84ms
0010b
0.84ms * 2 = 1.68ms
...
1001b
0.84ms * 9= 7.56ms (default)
...
1111b
0.84ms *15= 12.6ms
27-24
Reserved
Reserved
23-20
PW_TIMER
Port-Write Timer. The timer defines a period to repeat sending an error reporting Port-Write request
for software assistance. The timer is stopped by software writing to the error detect registers.
for software assistance. The timer is stopped by software writing to the error detect registers.
0000b
Disabled. Port-Write is sent once only.
0001b
107ms-214ms
0010b
214ms-321ms
0100b
428ms-535ms
1000b
856ms-963ms (default)
1111b
0.82-1.64us (for debug only)
Other
Reserved
19-0
Reserved
Reserved
SPRU976 – March 2006
Serial RapidIO (SRIO)
207