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Chapter 5 Serial Functions
5-1 Overview......................................................................................................................92
5-2 Synchronous Serial Interface .......................................................................................94
5-2-1 Overview ........................................................................................................94
5-2-2 Setup and Operation .......................................................................................94
5-2-3 Serial Interface Transfer Timing.....................................................................99
5-3 Half-duplex UART Serial Interface ...........................................................................101
5-3-1 Overview ......................................................................................................101
5-3-2 Setup and Operation .....................................................................................101
5-3-3 How to Use the Baud Rate Timer.................................................................105
5-4 Serial Interface Control Registers ..............................................................................106
5-4-1 Overview ......................................................................................................106
5-4-2 Transmit/Receive Shift Registers, Receive Data Buffer ..............................107
5-4-3 Serial Interface Mode Registers ...................................................................108
5-4-4 Serial Interface Control Register ..................................................................112
Chapter 6 A/D Conversion Functions
6-1 Overview ....................................................................................................................114
6-2 A/D Conversion..........................................................................................................115
6-3 A/D Converter Control Registers...............................................................................117
6-3-1 Overview.......................................................................................................117
6-3-2 A/D Control Register (ANCTR)...................................................................118
6-3-3 A/D Buffers (ANBUF) .................................................................................120
Chapter 7 AC Zero-Cross Circuit/Noise Filter
7-1 Overview....................................................................................................................122
7-2 AC Zero-Cross Circuit Operation ..............................................................................123
7-2-1 Setup and Operation .....................................................................................123
7-3 Noise Filter.................................................................................................................124
7-3-1 Overview ......................................................................................................124
7-3-2 Example Input and Output Waveforms for Noise Filter...............................125
7-4 AC Zero-Cross Control Register................................................................................126
7-4-1 Overview ......................................................................................................126
7-4-2 Noise Filter Control Register (NFCTR).......................................................127
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