HD6432646 Hitachi, HD6432646 Datasheet - Page 27

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

12.2 Register Descriptions......................................................................................................... 417
12.3 Operation ........................................................................................................................... 425
12.4 Interrupts............................................................................................................................ 429
12.5 Usage Notes ....................................................................................................................... 429
Section 13 Serial Communication Interface (SCI) ............................................431
13.1 Overview............................................................................................................................ 431
13.2 Register Descriptions......................................................................................................... 436
13.3 Operation ........................................................................................................................... 459
13.4 SCI Interrupts .................................................................................................................... 488
13.5 Usage Notes ....................................................................................................................... 489
12.1.4 Register Configuration ......................................................................................... 416
12.2.1 Timer Counter (TCNT) ........................................................................................ 417
12.2.2 Timer Control/Status Register (TCSR) ................................................................ 417
12.2.3 Reset Control/Status Register (RSTCSR) ............................................................ 422
12.2.4 Notes on Register Access ..................................................................................... 423
12.3.1 Watchdog Timer Operation.................................................................................. 425
12.3.2 Interval Timer Operation...................................................................................... 427
12.3.3 Timing of Setting Overflow Flag (OVF).............................................................. 427
12.3.4 Timing of Setting of Watchdog Timer Overflow Flag (WOVF) ......................... 428
12.5.1 Contention between Timer Counter (TCNT) Write and Increment ..................... 429
12.5.2 Changing Value of PSS and CKS2 to CKS0........................................................ 430
12.5.3 Switching between Watchdog Timer Mode and Interval Timer Mode................ 430
12.5.4 Internal Reset in Watchdog Timer Mode ............................................................. 430
12.5.5 OVF Flag Clearing in Interval Timer Mode ........................................................ 430
13.1.1 Features ................................................................................................................ 431
13.1.2 Block Diagram...................................................................................................... 433
13.1.3 Pin Configuration ................................................................................................. 434
13.1.4 Register Configuration ......................................................................................... 435
13.2.1 Receive Shift Register (RSR)............................................................................... 436
13.2.2 Receive Data Register (RDR) .............................................................................. 436
13.2.3 Transmit Shift Register (TSR).............................................................................. 437
13.2.4 Transmit Data Register (TDR) ............................................................................. 437
13.2.5 Serial Mode Register (SMR)................................................................................ 438
13.2.6 Serial Control Register (SCR).............................................................................. 441
13.2.7 Serial Status Register (SSR)................................................................................. 445
13.2.8 Bit Rate Register (BRR)....................................................................................... 449
13.2.9 Smart Card Mode Register (SCMR) .................................................................... 456
13.2.10 Module Stop Control Register B (MSTPCRB).................................................... 457
13.3.1 Overview .............................................................................................................. 459
13.3.2 Operation in Asynchronous Mode........................................................................ 461
13.3.3 Multiprocessor Communication Function............................................................ 472
13.3.4 Operation in Clocked Synchronous Mode ........................................................... 480
ix