Motorola DSP56309 User Manual page 167

Enhanced Synchronous Serial Interface (ESSI)
7.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7.2 ENHANCEMENTS TO THE ESSI . . . . . . . . . . . . . . . . . . . . . 7-3
7.3 ESSI DATA AND CONTROL SIGNALS . . . . . . . . . . . . . . . . 7-4
7.4 ESSI PROGRAMMING MODEL . . . . . . . . . . . . . . . . . . . . . . 7-8
7.5 OPERATING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-36
7.6 GPIO SIGNALS AND REGISTERS. . . . . . . . . . . . . . . . . . . 7-43
7-2 DSP56309UM/D MOTOROLA