XRT73LC00A_08 Datasheet, PDF (7/63 Pages) Exar Corporation – E3/DS3/STS-1 LINE INTERFACE UNIT

XRT73LC00A
E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.0.1
5.0 THE MICROPROCESSOR SERIAL INTERFACE ...............................................................................50
5.1 DESCRIPTION OF THE COMMAND REGISTERS ........................................................................................ 50
TABLE 5: ADDRESSES AND BIT FORMATS OF XRT73LC00A COMMAND REGISTERS......................................................................... 50
DESCRIPTION OF BIT-FIELDS FOR EACH COMMAND REGISTER .......................................................................50
5.1.1 COMMAND REGISTER - CR0 .................................................................................................................................... 50
5.1.2 COMMAND REGISTER - CR1 .................................................................................................................................... 51
5.1.3 COMMAND REGISTER - CR2 .................................................................................................................................... 53
5.1.4 COMMAND REGISTER - CR3 .................................................................................................................................... 53
5.1.5 COMMAND REGISTER - CR4 .................................................................................................................................... 54
TABLE 6: LOOP-BACK MODES ........................................................................................................................................................ 54
5.2 OPERATING THE MICROPROCESSOR SERIAL INTERFACE. .................................................................. 54
FIGURE 34. MICROPROCESSOR SERIAL INTERFACE DATA STRUCTURE ............................................................................................ 55
ORDERING INFORMATION.............................................................................................56
PACKAGE DIMENSIONS.................................................................................................56
REVISION HISTORY.......................................................................................................................................57
III