參數(shù)資料
型號(hào)： UPD77210
廠商： NEC Corp.
元件分類： 數(shù)字信號(hào)處理
英文描述： 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR
中文描述： 16位定點(diǎn)數(shù)字信號(hào)處理器
文件頁(yè)數(shù)： 11/74頁(yè)
文件大?。?/td> 467K
代理商： UPD77210
Data Sheet U15203EJ3V0DS
11
μ
PD77210, 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
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