Rev. 4.00 Sep. 23, 2005 Page xiv of xxvi
13.4.2 SCI3 Initialization................................................................................................. 193
13.4.3 Data Transmission ................................................................................................ 194
13.4.4 Serial Data Reception ........................................................................................... 196
13.5
Operation in Clocked Synchronous Mode ......................................................................... 200
13.5.1 Clock..................................................................................................................... 200
13.5.2 SCI3 Initialization................................................................................................. 201
13.5.3 Serial Data Transmission ...................................................................................... 201
13.5.4 Serial Data Reception (Clocked Synchronous Mode) .......................................... 203
13.5.5 Simultaneous Serial Data Transmission and Reception........................................ 205
13.6
Multiprocessor Communication Function.......................................................................... 207
13.6.1 Multiprocessor Serial Data Transmission ............................................................. 208
13.6.2 Multiprocessor Serial Data Reception .................................................................. 210
13.7
Interrupts............................................................................................................................ 214
13.8
Usage Notes ....................................................................................................................... 215
13.8.1 Break Detection and Processing ........................................................................... 215
13.8.2 Mark State and Break Sending ............................................................................. 215
13.8.3 Receive Error Flags and Transmit Operations
(Clocked Synchronous Mode Only) ..................................................................... 215
13.8.4 Receive Data Sampling Timing and Reception Margin in Asynchronous
Mode..................................................................................................................... 216
Section 14 A/D Converter ................................................................................. 217
14.1
Features.............................................................................................................................. 217
14.2
Input/Output Pins ...............................................................................................................219
14.3
Register Description .......................................................................................................... 220
14.3.1 A/D Data Registers A to D (ADDRA to ADDRD) .............................................. 220
14.3.2 A/D Control/Status Register (ADCSR) ................................................................ 221
14.3.3 A/D Control Register (ADCR) ............................................................................. 222
14.4
Operation ........................................................................................................................... 223
14.4.1 Single Mode.......................................................................................................... 223
14.4.2 Scan Mode ............................................................................................................ 223
14.4.3 Input Sampling and A/D Conversion Time .......................................................... 224
14.4.4 External Trigger Input Timing.............................................................................. 225
14.5
A/D Conversion Accuracy Definitions .............................................................................. 226
14.6
Usage Notes ....................................................................................................................... 228
14.6.1 Permissible Signal Source Impedance .................................................................. 228
14.6.2 Influences on Absolute Accuracy ......................................................................... 228