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N79E855 데이터시트 PDF : 부품 기능 및 핀배열

부품번호 N79E855
기능 8051-based Microcontroller
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N79E855 데이터시트 및 N79E855 PDF

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N79E855 pdf, 반도체, 판매, 대치품
N79E855/854 Data Sheet
22.1 On-Chip RC Oscillator.......................................................................................................................... 149
22.2 Crystal/Resonator .................................................................................................................................. 149
23 POWER MONITORING.................................................................................................................................... 150
23.1 Power-on Detection............................................................................................................................... 150
23.2 Brown-out Detection ............................................................................................................................. 150
24 RESET CONDITIONS....................................................................................................................................... 153
24.1 Power-on Reset ..................................................................................................................................... 153
24.2 BOD Reset ............................................................................................................................................ 154
24.3 RST Pin Reset ....................................................................................................................................... 155
24.4 Watchdog Timer Reset.......................................................................................................................... 155
24.5 Software Reset ...................................................................................................................................... 156
24.6 Boot Selection ....................................................................................................................................... 157
24.7 Reset State............................................................................................................................................. 158
25 CONFIG BITS (CONFIG) ................................................................................................................................. 160
25.1 CONFIG0.............................................................................................................................................. 160
25.2 CONFIG1 (N79E855 Only) .................................................................................................................. 161
25.3 CONFIG2.............................................................................................................................................. 162
25.4 CONFIG3.............................................................................................................................................. 163
26 INSTRUCTION SETS ....................................................................................................................................... 165
27 IN-CIRCUIT PROGRAM (ICP) ........................................................................................................................ 169
28 ELECTRICAL CHARACTERISTICS............................................................................................................... 171
28.1 Absolute Maximum Ratings.................................................................................................................. 171
28.2 DC Electrical Characteristics ................................................................................................................ 171
28.3 AC Electrical Characteristics ................................................................................................................ 175
28.3.1 Specification of 10-bits SAR-ADC ........................................................................................ 175
28.3.2 4 ~ 24 MHz XTAL Specifications.......................................................................................... 176
28.3.3 Internal RC Oscillator Specifications 22.1184 MHz/11.0592 MHz .................................. 176
28.3.4 Internal RC Oscillator Specifications 10 kHz.................................................................... 177
29 APPLICATION CIRCUIT FOR EMC IMMUNITY ......................................................................................... 178
30 PACKAGE DIMENSIONS ................................................................................................................................ 179
30.1 28-pin TSSOP - 4.4X9.7 mm ................................................................................................................ 179
31 REVISION HISTORY ....................................................................................................................................... 180
April 23, 2014
Page 4 of 180
Revision A2.5

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N79E855 전자부품, 판매, 대치품
N79E855/854 Data Sheet
Watchdog Timer
Programmable Watchdog Timer
Clock source supported by internal 10 kHz ±50% accuracy RC oscillator
Serial ports (UART, SPI, I2C)
One set of enhanced full duplex UART port with framing error detection and automatic address recognition.
Software switches two groups of UART pins
One set SPI with master/slave capability; software switches two groups of SPI pins
One set I2C with master/slave capability
PWM
4 channels 10-bit PWM outputs with one brake/fault input
KBI
8-keypad interrupt inputs (KBI) with 8 falling/rising/both-edge detection pins selected by software
ADC
10-bit A/D converter
Up to 150 Ksps.(sample per second)
8 analog input channels
Brown-out Detector
2-level (3.8V/2.7V) BOD detector
Supports interrupt and reset options
POR (Power-on Reset)
Threshold voltage level as 2.0V
Built-in power management
Idle mode
Power-down mode with optionally enabled WDT functions
Development Tools
Hardware writer
ICP programmer
ISP update APROM by UART port
April 23, 2014
Page 7 of 180
Revision A2.5

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