GR712RC-UM, Jun 2017, Version 2.9 219 www.cobham.com/gaisler
GR712RC
20 Advanced Orbiting Systems (AOS) - AOS transfer frame generation implemented
19 Frame Header Error Control (FHEC) - frame header error control implemented, only if AOS also set
18 RESERVED
17 Master Channel Generation (MCG) - master channel counter generation implemented
16 RESERVED
15 Idle Frame Generation (IDLE) - idle frame generation implemented
14 Extended VC Cntr (EVC) - extended virtual channel counter implemented (ECSS)
13 Operational Control Field (OCF) - CLCW implemented
12 Frame Error Control Field (FECF) - transfer frame CRC implemented
11 Alternative ASM (AASM) - alternative attached synchronization marker implemented
10: 9 Reed-Solomon (RS) - reed-solomon encoder implemented, set to “11” E=16 & 8
8: 6 Reed-Solomon Depth (RSDEPTH) - reed-solomon interleave depth -1 implemented, set to 7
5RESERVED
4 Pseudo-Randomiser (PSR) - pseudo-Randomiser implemented
3 Non-Return-to-Zero (NRZ) - non-return-to-zero - mark encoding implemented
2 Convolutional Encoding (CE) - convolutional encoding implemented
1 Split-Phase Level (SP) - split-phase level modulation implemented
0 Sub Carrier (SC) - sub carrier modulation implemented
Table 234. GRTM physical layer register
31 30 16 15 14 0
SF SYMBOLRATE SCF SUBRATE
31 Symbol Fall (SF) - symbol clock has a falling edge at start of symbol bit
30: 16 Symbol Rate (SYMBOLRATE) - symbol rate division factor - 1
15 Sub Carrier Fall (SCF) -sub carrier output start with a falling edge for logical 1
14: 0 Sub Carrier Rate (SUBRATE) - sub carrier division factor - 1
Table 233. GRTM configuration register (read-only)