HD6432670 Hitachi, HD6432670 Datasheet - Page 21

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

14.4 Operation..................................................................................................................... 626
14.5 Interrupt Source ...........................................................................................................628
14.6 Usage Notes................................................................................................................. 628
Section 15 Serial Communication Interface (SCI, IrDA) ................................633
15.1 Features ....................................................................................................................... 633
15.2 Input/Output Pins ......................................................................................................... 635
15.3 Register Descriptions ................................................................................................... 636
15.4 Operation in Asynchronous Mode ................................................................................ 661
15.5 Multiprocessor Communication Function ..................................................................... 672
15.6 Operation in Clocked Synchronous Mode ..................................................................... 679
14.3.1 Timer Counter (TCNT).................................................................................... 623
14.3.2 Timer Control/Status Register (TCSR)............................................................. 623
14.3.3 Reset Control/Status Register (RSTCSR) ......................................................... 625
14.4.1 Watchdog Timer Mode .................................................................................... 626
14.4.2 Interval Timer Mode........................................................................................ 627
14.6.1 Notes on Register Access................................................................................. 628
14.6.2 Contention between Timer Counter (TCNT) Write and Increment .................... 629
14.6.3 Changing Value of CKS2 to CKS0 .................................................................. 630
14.6.4 Switching between Watchdog Timer Mode and Interval Timer Mode ............... 630
14.6.5 Internal Reset in Watchdog Timer Mode .......................................................... 630
14.6.6 System Reset by
15.3.1 Receive Shift Register (RSR)........................................................................... 637
15.3.2 Receive Data Register (RDR) .......................................................................... 637
15.3.3 Transmit Data Register (TDR) ......................................................................... 637
15.3.4 Transmit Shift Register (TSR).......................................................................... 638
15.3.5 Serial Mode Register (SMR)............................................................................ 638
15.3.6 Serial Control Register (SCR) .......................................................................... 641
15.3.7 Serial Status Register (SSR)............................................................................. 644
15.3.8 Smart Card Mode Register (SCMR)................................................................. 648
15.3.9 Bit Rate Register (BRR) .................................................................................. 649
15.3.10 IrDA Control Register (IrCR) .......................................................................... 658
15.3.11 Serial Extension Mode Register (SEMR) ......................................................... 659
15.4.1 Data Transfer Format....................................................................................... 661
15.4.2 Receive Data Sampling Timing and Reception Margin in Asynchronous Mode 663
15.4.3 Clock .............................................................................................................. 664
15.4.4 SCI Initialization (Asynchronous Mode) .......................................................... 665
15.4.5 Data Transmission (Asynchronous Mode)........................................................ 666
15.4.6 Serial Data Reception (Asynchronous Mode) ................................................... 668
15.5.1 Multiprocessor Serial Data Transmission ......................................................... 674
15.5.2 Multiprocessor Serial Data Reception .............................................................. 676
15.6.1 Clock .............................................................................................................. 679
Signal................................................................... 631
Rev. 2.0, 04/02, page xix of xliv