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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