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N78E517A PDF даташит

Спецификация N78E517A изготовлена ​​​​«nuvoton» и имеет функцию, называемую «8-bit 8051-based Microcontroller».

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Номер произв N78E517A
Описание 8-bit 8051-based Microcontroller
Производители nuvoton
логотип nuvoton логотип 

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N78E517A Даташит, Описание, Даташиты
Nuvoton 8-bit 8051-based Microcontroller
N78E517A
Data Sheet









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N78E517A Даташит, Описание, Даташиты
N78E517A Data Sheet
TABLE OF CONTENTS
1. DESCRIPTION .................................................................................................................................................. 4
2. FEATURES ....................................................................................................................................................... 5
3. BLOCK DIAGRAM ............................................................................................................................................ 7
4. PIN CONFIGURATIONS................................................................................................................................... 8
5. MEMORY ORGANIZATION............................................................................................................................14
5.1 Internal Program Memory .................................................................................................................14
5.2 External Program Memory ................................................................................................................16
5.3 Internal Data Memory .......................................................................................................................17
5.4 On-chip XRAM ..................................................................................................................................19
5.5 External Data Memory ......................................................................................................................19
5.6 On-chip Non-volatile Data Flash .......................................................................................................20
6. SPECIAL FUNCTION REGISTER (SFR) .......................................................................................................23
7. GENERAL 80C51 SYSTEM CONTROL .........................................................................................................26
8. AUXILIARY RAM (XRAM)...............................................................................................................................30
9. I/O PORT STRUCTURE AND OPERATION ..................................................................................................32
10. TIMERS/COUNTERS....................................................................................................................................36
10.1 Timer/Counters 0 and 1 ..................................................................................................................36
10.1.1 Mode 0 (13-bit Timer) ......................................................................................................38
10.1.2 Mode 1 (16-bit Timer) ......................................................................................................39
10.1.3 Mode 2 (8-bit Auto-reload Timer) ....................................................................................39
10.1.4 Mode 3 (Two Separate 8-bit Timers)...............................................................................40
10.2 Timer/Counter 2 ..............................................................................................................................41
10.2.1 Capture Mode ..................................................................................................................44
10.2.2 Auto-reload Mode ............................................................................................................44
10.2.3 Baud Rate Generator Mode ............................................................................................45
10.2.4 Clock-out Mode................................................................................................................46
11. WATCHDOG TIMER.....................................................................................................................................47
11.1 Functional Description of Watchdog Timer.....................................................................................47
11.2 Applications of Watchdog Timer .....................................................................................................49
12. POWER DOWN WAKING-UP TIMER ..........................................................................................................50
12.1 Functional Description of Power Down Waking-up Timer ..............................................................50
12.2 Applications of Power Down Waking-up Timer...............................................................................51
13. SERIAL PORT...............................................................................................................................................53
13.1 Mode 0 ............................................................................................................................................55
13.2 Mode 1 ............................................................................................................................................57
13.3 Mode 2 ............................................................................................................................................59
13.4 Mode 3 ............................................................................................................................................61
13.5 Baud Rate .......................................................................................................................................63
13.6 Multiprocessor Communication.......................................................................................................64
14. SERIAL PERIPHERAL INTERFACE (SPI) ...................................................................................................66
14.1 Features ..........................................................................................................................................66
14.2 Functional Description ....................................................................................................................66
14.3 Control Registers of SPI .................................................................................................................69
14.4 Operating Modes ............................................................................................................................71
14.4.1 Master mode....................................................................................................................71
14.4.2 Slave Mode......................................................................................................................71
14.5 Clock Formats and Data Transfer...................................................................................................72
14.6 Slave Select Pin Configuration .......................................................................................................74
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N78E517A Даташит, Описание, Даташиты
14.7 Mode Fault Detection ......................................................................................................................75
14.8 Write Collision Error ........................................................................................................................75
14.9 Overrun Error ..................................................................................................................................75
14.10 SPI Interrupts ................................................................................................................................76
15. PULSE WIDTH MODULATOR (PWM) .........................................................................................................77
16. TIMED ACCESS PROTECTION (TA)...........................................................................................................81
17. INTERRUPT SYSTEM ..................................................................................................................................83
17.1 Priority Level Structure....................................................................................................................89
17.2 Interrupt Latency .............................................................................................................................91
18. IN SYSTEM PROGRAMMING (ISP).............................................................................................................92
18.1 ISP Procedure.................................................................................................................................92
18.2 ISP Commands ...............................................................................................................................95
18.3 User Guide of ISP ...........................................................................................................................95
18.4 ISP Demo Code ..............................................................................................................................96
19. POWER SAVING MODES ..........................................................................................................................100
19.1 Idle Mode ......................................................................................................................................100
19.2 Power Down Mode........................................................................................................................101
20. CLOCK SYSTEM ........................................................................................................................................103
20.1 12T/6T mode.................................................................................................................................103
20.2 External Clock Source ..................................................................................................................105
20.3 On-chip RC Oscillator ...................................................................................................................105
21. POWER MONITORING ..............................................................................................................................106
21.1 Power-on Detection ......................................................................................................................106
21.2 Brown-out Detection .....................................................................................................................106
22. RESET CONDITIONS.................................................................................................................................110
22.1 Power-on Reset ............................................................................................................................111
22.2 Brown-out Reset ...........................................................................................................................111
22.3 RST Pin Reset ..............................................................................................................................111
22.4 Watchdog Timer Reset .................................................................................................................112
22.5 Software Reset..............................................................................................................................112
22.6 Boot Select....................................................................................................................................113
22.7 Reset State ...................................................................................................................................114
23. AUXILIARY FEATURES .............................................................................................................................116
24. CONFIG BYTES..........................................................................................................................................117
25. INSTRUCTION SET....................................................................................................................................121
26. ELECTRICAL CHARACTERISTICS ...........................................................................................................125
26.1 Absolute Maximum Ratings ..........................................................................................................125
26.2 DC Electrical Characteristics ........................................................................................................125
26.3 AC Electrical Characteristics.........................................................................................................131
27. PACKAGES.................................................................................................................................................135
28. DOCUMENT REVISION HISTORY ............................................................................................................140
Publication Release Date: September 4, 2012
- 3 - Revision: V2.2










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