vi
4. Register............................................................................................................................. 389
5. Operation........................................................................................................................... 391
6. Setting................................................................................................................................ 393
7. Q & A................................................................................................................................. 394
8. Caution.............................................................................................................................. 395
Chapter 29 MPU / EDSU..................................................................................... 397
1. Overview............................................................................................................................ 397
2. Features............................................................................................................................. 398
3. Break Functions................................................................................................................. 399
4. Registers............................................................................................................................ 407
5. Quick Reference................................................................................................................ 429
Chapter 30 I/O Ports........................................................................................... 431
1. I/O Ports Functions............................................................................................................ 431
2. I/O Circuit Types................................................................................................................ 453
3. Port Register Settings........................................................................................................ 454
Chapter 31 External Bus.................................................................................... 507
1. Overview of the External Bus Interface............................................................................. 507
2. External Bus Interface Registers....................................................................................... 512
3. Setting Example of the Chip Select Area........................................................................... 542
4. Endian and Bus Access..................................................................................................... 543
5. Operation of the Ordinary bus interface............................................................................. 562
6. Burst Access Operation..................................................................................................... 574
7. Address/data Multiplex Interface....................................................................................... 576
8. Prefetch Operation............................................................................................................. 579
9. SDRAM/FCRAM Interface Operation................................................................................ 582
10. DMA Access Operation..................................................................................................... 592
11. Bus Arbitration................................................................................................................... 608
12. Procedure for Setting a Register....................................................................................... 610
13. Notes on Using the External Bus Interface........................................................................ 611
Chapter 32 USART (LIN / FIFO)......................................................................... 613
1. Overview............................................................................................................................ 613
2. USART Configuration........................................................................................................ 616
3. USART Pins....................................................................................................................... 620
4. USART Registers.............................................................................................................. 621
5. USART Interrupts.............................................................................................................. 638
6. USART Baud Rates........................................................................................................... 642
7. USART Operation.............................................................................................................. 647
8. Notes on using USART...................................................................................................... 663
Chapter 33 I2C Controller.................................................................................. 665
1. Overview............................................................................................................................ 665
2. I2C Interface Registers...................................................................................................... 667
3. I2C Interface Operation..................................................................................................... 685
4. Programming Flow Charts................................................................................................. 687