A. Serial RapidIO Protocol Overview > Physical Layer
488
Tsi576 User Manual
June 6, 2016
Integrated Device Technology
www.idt.com
illustrates the control symbol construction in 8-bit values. Further detail on the usage of the
control symbols may be found in
Part VI Physical Layer 1x/4x LP-Serial RapidIO Specification”
.
Table 52: Control Symbol Construction
3-bits
---
5-bits
5-bits
3-bits
---
3-bits
5-bits
--
stype0
[0-2]
definition
P-0
P-1
stype1 [0-2]
cmd
CRC
000
pkt-accepte
d
pkt-ackID
buf_status
001
pkt-rtry
pkt-ackID
buf_status
010
pkt-not-acce
pted
pkt-ackID
cause
(see
below)
011
reserved
---
---
100
status
ackID_stat
us
buf_status
101
reserved
---
---
110
link-respons
e
ackID_stat
us
port_statu
s
(see
below)
111
reserved
---
---
pkt-not-accepted cause
[0-4]
definition
00000
reserved
00001
recvd unexpected
ackID on pkt
00010
recvd a ctrl symbol
w/ bad CRC
00011
non-maint pkt
reception is stopped
00100
recvd pkt w/ bad
CRC
00101
recvd invalid char or
valid but illegal char
000110-11
110
reserved
11111
general error