VIDC88 Data Sheet 13.3 The Serial Sound Interface. . 47 13.4 Sound Outputs. 4$ 14.0 Boundary Scan Test Interface 49 14.1 Overview 49 14.2 Power -OnReset 50 14.3 Pullup Resistors 50 14.4 Instruction Register 50 14.5 Public Instructions 50 14.6 Test Data Registers 54 14.7 Boundary Scan Interface Signals 57 15.0 Packaging 61 16.0 Pinout 63