PD77210_15 Datasheet, PDF(13/76 Page) Renesas Technology Corp – 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR

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PD77210_15 Datasheet, PDF (13/76 Pages) Renesas Technology Corp – 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR

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ÂµPD77210, 77213

CONTENTS

1. PIN FUNCTIONS....................................................................................................................................13

1.1 Description of Pin Functions ........................................................................................................................13

1.2 Connection of Unused Pins ..........................................................................................................................21

1.2.1 Connection of functional pins ..................................................................................................................21

1.2.2 Connection of non-functional pin .............................................................................................................22

2. FUNCTIONAL OUTLINE .......................................................................................................................23

2.1 Program Control Unit.....................................................................................................................................23

2.1.1 CPU control .............................................................................................................................................23

2.1.2 Interrupt control .......................................................................................................................................23

2.1.3 Loop control stack ...................................................................................................................................23

2.1.4 PC stack ..................................................................................................................................................23

2.1.5 Clock control............................................................................................................................................23

2.1.6 Instruction memory ..................................................................................................................................24

2.2 Operation Unit ................................................................................................................................................24

2.2.1 General-purpose registers (R0 to R7) .....................................................................................................24

2.2.2 Multiply accumulator (MAC) ....................................................................................................................24

2.2.3 Arithmetic logic unit (ALU) .......................................................................................................................24

2.2.4 Barrel shifter (BSFT)................................................................................................................................24

2.3 Data Memory Unit...........................................................................................................................................24

2.3.1 Data memory ...........................................................................................................................................24

2.3.2 Data addressing unit................................................................................................................................25

2.4 Peripheral Unit................................................................................................................................................25

2.4.1 Serial interface (SIO) ...............................................................................................................................25

2.4.2 Host interface (HIO).................................................................................................................................25

2.4.3 General-purpose I/O port (PIO) ...............................................................................................................26

2.4.4 External memory interface (MIO).............................................................................................................26

2.4.5 Timers (TIM1 and TIM2) ..........................................................................................................................26

2.4.6 Interrupt controller (INTC)........................................................................................................................26

2.4.7 DMA controller (PMT) ..............................................................................................................................26

2.4.8 SD card interface (SDCIF).......................................................................................................................26

2.4.9 Debug interface (IEIO).............................................................................................................................26

3. CLOCK GENERATOR...........................................................................................................................27

4. RESET FUNCTION ................................................................................................................................28

4.1 Hardware Reset ..............................................................................................................................................28

5. FUNCTION OF BOOT-UP ROM...........................................................................................................28

5.1 Boot at Reset ..................................................................................................................................................28

5.1.1 Memory boot............................................................................................................................................28

5.1.2 Host boot .................................................................................................................................................29

5.1.3 Serial boot ...............................................................................................................................................29

5.2 Reboot.............................................................................................................................................................29

5.2.1 Memory reboot ........................................................................................................................................29

Data Sheet U15203EJ3V0DS

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