Fujitsu MB90895 Series Hardware Manual page 16

14.4.2 Generation of Transmit Interrupt and Timing of Flag Set ........................................................... 403
14.5 UART0 baud rate............................................................................................................................. 405
14.5.1 Baud rate by dedicated baud rate generator .............................................................................. 407
14.5.2 Baud Rate by Internal Timer (16-bit Reload Timer).................................................................... 410
14.5.3 Baud rate by external clock ........................................................................................................ 412
14.6 Explanation of Operation of UART0 ................................................................................................ 413
14.6.1 Operation in asynchronous mode (operation mode 0 or 1) ........................................................ 415
14.6.2 Operation at clock synchronous mode (operating mode 2) ........................................................ 419
14.6.3 Bidirectional Communication Function (Operation Modes 0 and 2) ........................................... 422
14.6.4 Master/slave type communication function (multi processor mode) ........................................... 424
14.7 Precautions when using UART0...................................................................................................... 427
CHAPTER 15 UART1 ....................................................................................................... 429
15.1 Overview of UART1 ......................................................................................................................... 430
15.2 Block Diagram of UART1................................................................................................................. 432
15.3 Configuration of UART1................................................................................................................... 435
15.3.1 Serial control register 1 (SCR1).................................................................................................. 437
15.3.2 Serial mode register 1 (SMR1) ................................................................................................... 439
15.3.3 Serial status register 1 (SSR1) ................................................................................................... 441
15.3.4 Serial Input Data Register 1 (SIDR1) and Serial Output Data Register 1 (SODR1) ................... 444
15.3.5 Communication Prescaler Control Register 1 (CDCR1)............................................................. 446
15.4 Interrupt of UART1........................................................................................................................... 448
15.4.1 Generation of Receive Interrupt and Timing of Flag Set ............................................................ 450
15.4.2 Generation of Transmit Interrupt and Timing of Flag Set ........................................................... 452
15.5 UART1 Baud Rate ........................................................................................................................... 453
15.5.1 Baud rate by dedicated baud rate generator .............................................................................. 455
15.5.2 Baud Rate by Internal Timer (16-bit Reload Timer) .................................................................... 458
15.5.3 Baud rate by external clock ........................................................................................................ 460
15.6 Explanation of Operation of UART1 ................................................................................................ 461
15.6.1 Operation in Asynchronous Mode (Operation Mode 0 or 1) ....................................................... 463
15.6.2 Operation in Clock Synchronous Mode (Operation Mode 2) ...................................................... 467
15.6.3 Bidirectional Communication Function (Operation Modes 0 and 2) ........................................... 469
15.6.4 Master/Slave Type Communication Function (Multiprocessor Mode) ........................................ 471
15.7 Precautions when Using UART1 ..................................................................................................... 474
15.8 Program Example for UART1 .......................................................................................................... 475
CHAPTER 16 CAN controller .......................................................................................... 477
16.1 Overview of CAN Controller ............................................................................................................. 478
16.2 Block Diagram of CAN Controller .................................................................................................... 479
16.3 Configuration of CAN Controller ...................................................................................................... 482
16.3.1 Control Status Register (High) (CSR: H) .................................................................................... 486
16.3.2 Control Status Register (Low) (CSR: L) ..................................................................................... 488
16.3.3 Last event indication register (LEIR) .......................................................................................... 491
16.3.4 Receive/Transmit Error Counter (RTEC) .................................................................................... 493
16.3.5 Bit timing register (BTR) ............................................................................................................. 495
16.3.6 Message buffer validating register (BVALR) .............................................................................. 499
16.3.7 IDE register (IDER) ..................................................................................................................... 501
xii