Datasheet

Rev.4.00 Nov. 02, 2005 Page xiv of xxiv
13.4.4 Serial Data Reception ........................................................................................... 181
13.5 Operation in Clocked Synchronous Mode......................................................................... 185
13.5.1 Clock..................................................................................................................... 185
13.5.2 SCI3 Initialization................................................................................................. 185
13.5.3 Serial Data Transmission...................................................................................... 186
13.5.4 Serial Data Reception (Clocked Synchronous Mode) .......................................... 189
13.5.5 Simultaneous Serial Data Transmission and Reception........................................ 191
13.6 Multiprocessor Communication Function.......................................................................... 193
13.6.1 Multiprocessor Serial Data Transmission............................................................. 195
13.6.2 Multiprocessor Serial Data Reception .................................................................. 196
13.7 Interrupts............................................................................................................................ 200
13.8 Usage Notes....................................................................................................................... 201
13.8.1 Break Detection and Processing ........................................................................... 201
13.8.2 Mark State and Break Sending ............................................................................. 201
13.8.3 Receive Error Flags and Transmit Operations
(Clocked Synchronous Mode Only) ..................................................................... 201
13.8.4 Receive Data Sampling Timing and Reception Margin
in Asynchronous Mode......................................................................................... 202
Section 14 A/D Converter .................................................................................203
14.1 Features.............................................................................................................................. 203
14.2 Input/Output Pins...............................................................................................................205
14.3 Register Description .......................................................................................................... 206
14.3.1 A/D Data Registers A to D (ADDRA to ADDRD) .............................................. 206
14.3.2 A/D Control/Status Register (ADCSR) ................................................................ 207
14.3.3 A/D Control Register (ADCR) ............................................................................. 208
14.4 Operation ........................................................................................................................... 209
14.4.1 Single Mode.......................................................................................................... 209
14.4.2 Scan Mode............................................................................................................ 209
14.4.3 Input Sampling and A/D Conversion Time .......................................................... 210
14.4.4 External Trigger Input Timing.............................................................................. 211
14.5 A/D Conversion Accuracy Definitions.............................................................................. 212
14.6 Usage Notes....................................................................................................................... 214
14.6.1 Permissible Signal Source Impedance.................................................................. 214
14.6.2 Influences on Absolute Accuracy......................................................................... 214
Section 15 Power Supply Circuit ......................................................................215
15.1 When Using Internal Power Supply Step-Down Circuit ................................................... 215
15.2 When Not Using Internal Power Supply Step-Down Circuit............................................. 216