10.1.1 Features............................................................................................................... 249
10.1.2 Block diagram..................................................................................................... 251
10.1.3 Pin configuration ................................................................................................ 252
10.1.4 Register configuration ........................................................................................ 252
Register Descriptions...................................................................................................... 252
10.2.1 Receive shift register (RSR) ............................................................................... 252
10.2.2 Receive data register (RDR) ............................................................................... 253
10.2.3 Transmit shift register (TSR).............................................................................. 253
10.2.4 Transmit data register (TDR).............................................................................. 254
10.2.5 Serial mode register (SMR) ................................................................................ 254
10.2.6 Serial control register 3 (SCR3) ......................................................................... 257
10.2.7 Serial status register (SSR) ................................................................................. 260
10.2.8 Bit rate register (BRR) ....................................................................................... 264
10.2.9 Clock stop register 1 (CKSTPR1) ...................................................................... 268
10.2.10 Serial Port Control Register (SPCR) .................................................................. 269
Operation ........................................................................................................................ 271
10.3.1 Overview............................................................................................................. 271
10.3.2 Operation in Asynchronous Mode...................................................................... 275
10.3.3 Operation in Synchronous Mode ........................................................................ 284
10.3.4 Multiprocessor Communication Function .......................................................... 291
Overview......................................................................................................................... 305
11.1.1 Features............................................................................................................... 305
11.1.2 Block Diagram.................................................................................................... 305
11.1.3 Pin Configuration................................................................................................ 306
11.1.4 Register Configuration........................................................................................ 306
Register Descriptions...................................................................................................... 307
11.2.1 PWM Control Register (PWCR) ........................................................................ 307
11.2.2 PWM Data Registers U and L (PWDRU, PWDRL) .......................................... 308
11.2.3 Clock Stop Register 2 (CKSTPR2) .................................................................... 308
Operation ........................................................................................................................ 310
11.3.1 Operation ............................................................................................................ 310
11.3.2 PWM Operation Modes ...................................................................................... 311
................................................................................................ 313
Overview......................................................................................................................... 313
12.1.1 Features............................................................................................................... 313
12.1.2 Block Diagram.................................................................................................... 313
12.1.3 Pin Configuration................................................................................................ 314
12.1.4 Register Configuration........................................................................................ 314