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N79E824A 반도체 회로 부품 판매점

8-Bit Microcontroller



Nuvoton 로고
Nuvoton
N79E824A 데이터시트, 핀배열, 회로
N79E825A/824A/823A/822A Data Sheet
8-BIT MICROCONTROLLER
Table of Contents-
1 GENERAL DESCRIPTION .........................................................................................................4
2 FEATURES ................................................................................................................................ 5
3 PARTS INFORMATION LIST .....................................................................................................6
3.1 Lead Free (RoHS) Parts information list.........................................................................6
4 PIN CONFIGURATION .............................................................................................................. 7
5 PIN DESCRIPTION.................................................................................................................... 8
6 FUNCTIONAL DESCRIPTION....................................................................................................9
6.1 On-Chip Flash EPROM ..................................................................................................9
6.2 I/O Ports......................................................................................................................... 9
6.3 Serial I/O ........................................................................................................................ 9
6.4 Timers ............................................................................................................................ 9
6.5 Interrupts........................................................................................................................ 9
6.6 Data Pointers ..................................................................................................................9
6.7 Architecture...................................................................................................................10
6.7.1 ALU ............................................................................................................................ ....10
6.7.2 Accumulator ................................................................................................................... 10
6.7.3 B Register..................................................................................................................... ..10
6.7.4 Program Status Word: .................................................................................................... 10
6.7.5 Scratch-pad RAM ........................................................................................................... 10
6.7.6 Stack Pointer .................................................................................................................. 11
6.8 Power Management......................................................................................................11
7 MEMORY ORGANIZATION......................................................................................................12
7.1 Program Memory (on-chip Flash) .................................................................................12
7.2 Data Memory ................................................................................................................12
7.3 Register Map.................................................................................................................13
7.4 Working Registers.........................................................................................................15
7.5 Bit addressable Locations.............................................................................................15
7.6 Stack ............................................................................................................................ 15
8 SPECIAL FUNCTION REGISTERS .........................................................................................16
9 INSTRUCTION SET................................................................................................................. 47
9.1 Instruction Timing..........................................................................................................56
10 POWER MANAGEMENT..........................................................................................................59
10.1 Idle Mode ......................................................................................................................59
10.2 Power Down Mode .......................................................................................................59
11 RESET CONDITIONS...............................................................................................................61
11.1 Sources of reset............................................................................................................61
11.1.1 External Reset .............................................................................................................. 61
Publication Release Date: Aug 5, 2010
- 1 - Revision A02
http://www.Datasheet4U.com


N79E824A 데이터시트, 핀배열, 회로
N79E825A/824A/823A/822A Data Sheet
11.1.2 Power-On Reset (POR)................................................................................................61
11.1.3 Watchdog Timer Reset ................................................................................................. 61
11.2 Reset State ...................................................................................................................61
12 INTERRUPTS .......................................................................................................................... 66
12.1 Interrupt Sources ..........................................................................................................66
12.2 Priority Level Structure .................................................................................................68
12.3 Response Time.............................................................................................................69
12.4 Interrupt Inputs..............................................................................................................70
13 PROGRAMMABLE TIMERS/COUNTERS ...............................................................................72
13.1 Timer/Counters 0 & 1....................................................................................................72
13.1.1 Time-Base Selection .................................................................................................... 72
13.1.2 Mode 0 ......................................................................................................................... 72
13.1.3 Mode 1 ......................................................................................................................... 73
13.1.4 Mode 2 ......................................................................................................................... 74
13.1.5 Mode 3 ......................................................................................................................... 74
14 NVM MEMORY ........................................................................................................................ 76
15 WATCHDOG TIMER.................................................................................................................77
15.1 WATCHDOG CONTROL..............................................................................................78
15.2 CLOCK CONTROL of Watchdog..................................................................................79
16 SERIAL PORT (UART) .............................................................................................................80
16.1 MODE 0 ........................................................................................................................80
16.2 MODE 1 ........................................................................................................................81
16.3 MODE 2 ........................................................................................................................83
16.4 MODE 3 ........................................................................................................................84
16.5 Framing Error Detection ...............................................................................................85
16.6 Multiprocessor Communications...................................................................................85
17 TIME ACCESS PROCTECTION ..............................................................................................87
18 KEYBOARD INTERRUPT (KBI) ...............................................................................................90
19 ANALOG COMPARATORS ......................................................................................................91
20 I/O PORT CONFIGURATION ...................................................................................................92
20.1 Quasi-Bidirectional Output Configuration .....................................................................92
20.2 Open Drain Output Configuration .................................................................................93
20.3 Push-Pull Output Configuration ....................................................................................94
20.4 Input Only Configuration ...............................................................................................94
21 OSCILLATOR .......................................................................................................................... 95
21.1 On-Chip RC Oscillator Option.......................................................................................95
21.2 External Clock Input Option ..........................................................................................96
21.3 CPU Clock Rate select .................................................................................................96
22 POWER MONITORING FUNCTION ........................................................................................97
22.1 Power On Detect...........................................................................................................97
22.2 Brownout Detect ...........................................................................................................97
23 PULSE-WIDTH-MODULATED (PWM) OUTPUTS ................................................................... 98
-2-




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