HD64F3670 Datasheet, PDF (14/323 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

13.8.3 Receive Error Flags and Transmit Operations
(Clocked Synchronous Mode Only) .................................................................. 192
13.8.4 Receive Data Sampling Timing and Reception Margin in
Asynchronous Mode........................................................................................ 193
Section 14 A/D Converter.............................................................................. 195
14.1 Features ....................................................................................................................... 195
14.2 Input/Output Pins......................................................................................................... 197
14.3 Register Description..................................................................................................... 198
14.3.1 A/D Data Registers A to D (ADDRA to ADDRD) ........................................... 198
14.3.2 A/D Control/Status Register (ADCSR) ............................................................ 199
14.3.3 A/D Control Register (ADCR)......................................................................... 200
14.4 Operation..................................................................................................................... 201
14.4.1 Single Mode .................................................................................................... 201
14.4.2 Scan Mode ...................................................................................................... 201
14.4.3 Input Sampling and A/D Conversion Time....................................................... 202
14.4.4 External Trigger Input Timing ......................................................................... 203
14.5 A/D Conversion Accuracy Definitions ......................................................................... 204
14.6 Usage Notes................................................................................................................. 205
14.6.1 Permissible Signal Source Impedance .............................................................. 205
14.6.2 Influences on Absolute Accuracy..................................................................... 205
Section 15 Power Supply Circuit ................................................................... 207
15.1 When Using Internal Power Supply Step-Down Circuit ................................................ 207
15.2 When Not Using Internal Power Supply Step-Down Circuit ......................................... 208
Section 16 List of Registers ........................................................................... 209
16.1 Register Addresses (Address Order) ............................................................................. 210
16.2 Register Bits ................................................................................................................ 213
16.3 Register States in Each Operating Mode ....................................................................... 216
Section 17 Electrical Characteristics .............................................................. 219
17.1 Absolute Maximum Ratings......................................................................................... 219
17.2 Electrical Characteristics.............................................................................................. 219
17.2.1 Power Supply Voltage and Operating Ranges .................................................. 219
17.2.2 DC Characteristics........................................................................................... 221
17.2.3 AC Characteristics........................................................................................... 226
17.2.4 A/D Converter Characteristics ......................................................................... 229
17.2.5 Watchdog Timer.............................................................................................. 230
17.2.6 Flash Memory Characteristics (Preliminary) .................................................... 231
17.3 Operation Timing......................................................................................................... 233
17.4 Output Load Condition ................................................................................................ 235
Rev. 2.0, 03/02, page xii of xxii