| US 7,543,193 B2 | ||
| Serial data validity monitor | ||
| Ian Gordon Barrett, Saskatchewan (Canada); Gregory J. Erker, Saskatoon (Canada); Michael James Smith, Saskatoon (Canada); Scott Arthur Muma, Saskatoon (Canada); Jeffrey S. Roe, Saskatoon (Canada); and Bernard Guay, Vancouver (Canada) | ||
| Assigned to PMC-Sierra, Inc., Santa Clara, Calif. (US) | ||
| Filed on Jun. 02, 2004, as Appl. No. 10/860,548. | ||
| Claims priority of provisional application 60/475577, filed on Jun. 02, 2003. | ||
| Prior Publication US 2005/0025195 A1, Feb. 03, 2005 | ||
| Int. Cl. G06F 11/00 (2006.01) | ||
| U.S. Cl. 714—48 [370/907] | 32 Claims |
| 1. A data detection system comprising:
a consecutive identical digit (CID) detector configured to detect whether received data includes a CID exceeding a predetermined
threshold count;
a DC balance monitor configured to detect DC imbalances in the received data; and
a transition density detector configured to detect whether there exits minimum transition density in the received data during
a given time period.
wherein the data system forces an out of frame condition if the DC balance monitor detects DC imbalances greater than a second
predetermined threshold value.
|