HD64F3694FXV Datasheet, PDF (16/452 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

13.2.1 Timer Control/Status Register WD (TCSRWD) .................................................. 184
13.2.2 Timer Counter WD (TCWD)................................................................................ 185
13.2.3 Timer Mode Register WD (TMWD) .................................................................... 186
13.3 Operation ........................................................................................................................... 187
Section 14 Serial Communication Interface 3 (SCI3)....................................... 189
14.1 Features.............................................................................................................................. 189
14.2 Input/Output Pins............................................................................................................... 191
14.3 Register Descriptions......................................................................................................... 191
14.3.1 Receive Shift Register (RSR) ............................................................................... 192
14.3.2 Receive Data Register (RDR)............................................................................... 192
14.3.3 Transmit Shift Register (TSR) .............................................................................. 192
14.3.4 Transmit Data Register (TDR).............................................................................. 192
14.3.5 Serial Mode Register (SMR) ................................................................................ 193
14.3.6 Serial Control Register 3 (SCR3) ......................................................................... 194
14.3.7 Serial Status Register (SSR) ................................................................................. 196
14.3.8 Bit Rate Register (BRR) ....................................................................................... 198
14.4 Operation in Asynchronous Mode ..................................................................................... 205
14.4.1 Clock..................................................................................................................... 205
14.4.2 SCI3 Initialization................................................................................................. 206
14.4.3 Data Transmission ................................................................................................ 207
14.4.4 Serial Data Reception ........................................................................................... 209
14.5 Operation in Clocked Synchronous Mode ......................................................................... 213
14.5.1 Clock..................................................................................................................... 213
14.5.2 SCI3 Initialization................................................................................................. 213
14.5.3 Serial Data Transmission ...................................................................................... 214
14.5.4 Serial Data Reception (Clocked Synchronous Mode) .......................................... 217
14.5.5 Simultaneous Serial Data Transmission and Reception........................................ 219
14.6 Multiprocessor Communication Function.......................................................................... 221
14.6.1 Multiprocessor Serial Data Transmission ............................................................. 222
14.6.2 Multiprocessor Serial Data Reception .................................................................. 224
14.7 Interrupts............................................................................................................................ 228
14.8 Usage Notes ....................................................................................................................... 229
14.8.1 Break Detection and Processing ........................................................................... 229
14.8.2 Mark State and Break Sending ............................................................................. 229
14.8.3 Receive Error Flags and Transmit Operations
(Clocked Synchronous Mode Only) ..................................................................... 229
14.8.4 Receive Data Sampling Timing and Reception Margin
in Asynchronous Mode......................................................................................... 230
Rev.5.00 Nov. 02, 2005 Page xiv of xxviii