
www.ti.com
  | 
  | 
  | 
  | SRIO Functional Description  | 
  | 
  | Table 10. Bits of SERDES_CFGTXn_CNTL Registers (continued) | ||
Bit | Field | Value | Description | 
  | 
4:2  | BUS-  | 
  | Bus width. Selects the width of the parallel interface (10 or 8 bit).  | |
  | WIDTH | 000  | ||
  | 
  | |||
  | 
  | 001  | ||
  | 
  | 
  | TDn[1:0] are ignored.  | 
  | 
  | 
  | 01x  | Reserved  | 
  | 
  | 
  | 1xx  | Reserved  | 
  | 
1  | Reserved  | 
  | Reserved  | 
  | 
0  | ENTX  | 
  | Enable transmitter. Enables this transmitter when high.  | |
  | 
  | 
  | Table 11. SWING Bits | 
  | 
CFGTX[11:9]  | 
  | Amplitude (mVdfpp)  | 
  | |
000  | 
  | 
  | 125  | 
  | 
001  | 
  | 
  | 250  | 
  | 
010  | 
  | 
  | 500  | 
  | 
011  | 
  | 
  | 625  | 
  | 
100  | 
  | 
  | 750  | 
  | 
101  | 
  | 
  | 1000  | 
  | 
110  | 
  | 
  | 1125  | 
  | 
111  | 
  | 
  | 1250  | 
  | 
  | 
  | 
  | Table 12. DE Bits | 
  | 
  | CFGTX[15:12] | Amplitude Reduction | 
  | |
  | 
  | 
  | %  | dB  | 
  | 0000  | 
  | 0  | 0  | 
  | 0001  | 
  | 4.76  | |
  | 0010  | 
  | 9.52  | |
  | 0011  | 
  | 14.28  | |
  | 0100  | 
  | 19.04  | |
  | 0101  | 
  | 23.8  | |
  | 0110  | 
  | 28.56  | |
  | 0111  | 
  | 33.32  | |
  | 1000  | 
  | 38.08  | |
  | 1001  | 
  | 42.85  | |
  | 1010  | 
  | 47.61  | |
  | 1011  | 
  | 52.38  | |
  | 1100  | 
  | 57.14  | |
  | 1101  | 
  | 61.9  | |
  | 1110  | 
  | 66.66  | |
  | 1111  | 
  | 71.42  | |
SPRU976   | Serial RapidIO (SRIO)  | 31  | 
Submit Documentation Feedback | 
  | 
  |