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N79E825A 데이터시트 PDF




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기능 8-Bit Microcontroller
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N79E825A 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




N79E825A pdf, 반도체, 판매, 대치품
N79E825A/824A/823A/822A Data Sheet
1 GENERAL DESCRIPTION
The N79E 825 serie s are an 8-bit Turb o 51 micro controller whi ch has an in-system prog rammable
Flash EPROM which Flash EPROM can program by ICP (In Circuit Program) or by hardware writer.
The instruction set of the N79E825 series are fully compatible with the stan dard 8052. T he N79E825
series contai n a 16K/8K/4K/2K byte s o f main Flash EPROM; a 256 bytes of RAM; 256 by tes NVM
Data Flash EPROM; two 8-bit bi-directional, one 2-bit bi-directional and bit-addressable I/O ports; two
16-bit time r/counters; 4 -channel m ultiplexed 10 -bit A/D conve rt; 4-chan nel 1 0-bit PWM; two serial
ports that include a I2C a nd an enh anced full duplex serial p ort. These peripherals are supported by
13 sources four-level interrupt capability. To facilitate programming and verification, the Flash EPROM
inside the N79E825 serie s allow the prog ram me mory to be programmed and read electro nically.
Once the code is confirmed, the user can protect the code for security.
-4-

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N79E825A 전자부품, 판매, 대치품
N79E825A/824A/823A/822A Data Sheet
4 PIN CONFIGURATION
20 PIN DIP
PWM3/CMP2/P0.0 1
PWM2/P1.7 2
PWM1/P1.6 3
RST/P1.5 4
VSS 5
XTAL1/P2.1 6
XTAL2/CLKOUT/P2.0 7
INT1/P1.4 8
SDA/INT0/P1.3 9
SCL/T0/P1.2 10
20 P0.1/CIN2B/PWM0
19 P0.2/CIN2A/BRAKE
18 P0.3/CIN1B/AD0
17 P0.4/CIN1A/AD1
16 P0.5/CMPREF/AD2
15 VDD
14 P0.6/CMP1/AD3
13 P0.7/T1
12 P1.0/TXD
11 P1.1/RXD
20 PIN SOP/SSOP
PWM3/CMP2/P0.0 1
PWM2/P1.7 2
PWM1/P1.6 3
RST/P1.5 4
VSS 5
XTAL1/P2.1 6
XTAL2/CLKOUT/P2.0 7
INT1/P1.4 8
SDA/INT0/P1.3 9
SCL/T0/P1.2 10
20 P0.1/CIN2B/PWM0
19 P0.2/CIN2A/BRAKE
18 P0.3/CIN1B/AD0
17 P0.4/CIN1A/AD1
16 P0.5/CMPREF/AD2
15 VDD
14 P0.6/CMP1/AD3
13 P0.7/T1
12 P1.0/TXD
11 P1.1/RXD
Figure 4-1: Pin Configuration
Publication Release Date: Aug 05, 2010
- 7 - Revision A02

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