HD64F3664FPV Datasheet, PDF (16/446 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 13 Watchdog Timer.............................................................................. 191
13.1 Features............................................................................................................................. 191
13.2 Register Descriptions........................................................................................................ 191
13.2.1 Timer Control/Status Register WD (TCSRWD) .............................................. 192
13.2.2 Timer Counter WD (TCWD)............................................................................ 193
13.2.3 Timer Mode Register WD (TMWD) ................................................................ 194
13.3 Operation .......................................................................................................................... 195
Section 14 Serial Communication Interface 3 (SCI3)....................................... 197
14.1 Features............................................................................................................................. 197
14.2 Input/Output Pins.............................................................................................................. 198
14.3 Register Descriptions........................................................................................................ 199
14.3.1 Receive Shift Register (RSR) ........................................................................... 199
14.3.2 Receive Data Register (RDR)........................................................................... 199
14.3.3 Transmit Shift Register (TSR) .......................................................................... 199
14.3.4 Transmit Data Register (TDR).......................................................................... 200
14.3.5 Serial Mode Register (SMR) ............................................................................ 200
14.3.6 Serial Control Register 3 (SCR3) ..................................................................... 201
14.3.7 Serial Status Register (SSR) ............................................................................. 203
14.3.8 Bit Rate Register (BRR) ................................................................................... 205
14.4 Operation in Asynchronous Mode .................................................................................... 210
14.4.1 Clock................................................................................................................. 210
14.4.2 SCI3 Initialization............................................................................................. 211
14.4.3 Data Transmission ............................................................................................ 212
14.4.4 Serial Data Reception ....................................................................................... 214
14.5 Operation in Clocked Synchronous Mode ........................................................................ 218
14.5.1 Clock................................................................................................................. 218
14.5.2 SCI3 Initialization............................................................................................. 218
14.5.3 Serial Data Transmission .................................................................................. 219
14.5.4 Serial Data Reception (Clocked Synchronous Mode) ...................................... 221
14.5.5 Simultaneous Serial Data Transmission and Reception.................................... 223
14.6 Multiprocessor Communication Function ........................................................................ 224
14.6.1 Multiprocessor Serial Data Transmission ......................................................... 226
14.6.2 Multiprocessor Serial Data Reception .............................................................. 227
14.7 Interrupts........................................................................................................................... 230
14.8 Usage Notes ...................................................................................................................... 230
14.8.1 Break Detection and Processing ....................................................................... 230
14.8.2 Mark State and Break Sending ......................................................................... 231
14.8.3 Receive Error Flags and Transmit Operations
(Clocked Synchronous Mode Only) ................................................................. 231
Rev. 6.00 Mar. 24, 2006 Page xiv of xxviii