參數(shù)資料
型號(hào)： COP8SBR9KMT8
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 微控制器/微處理器
英文描述： 8-Bit CMOS Flash Based Microcontroller with 32k Memory, Virtual EEPROM and Brownout
中文描述： 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO56
封裝： TSSOP-56
文件頁(yè)數(shù)： 3/80頁(yè)
文件大?。?/td> 972K
代理商： COP8SBR9KMT8
Table of Contents
1.0 General Description ..................................................................................................................................... 1
2.0 Features ....................................................................................................................................................... 1
3.0 Block Diagram .............................................................................................................................................. 2
4.0 Ordering Information .................................................................................................................................... 2
5.0 Connection Diagrams ................................................................................................................................... 6
6.0 Architectural Overview ............................................................................................................................... 10
6.1 EMI REDUCTION .................................................................................................................................... 10
6.2 IN-SYSTEM PROGRAMMING AND VIRTUAL EEPROM ...................................................................... 10
6.3 DUAL CLOCK AND CLOCK DOUBLER ................................................................................................. 10
6.4 TRUE IN-SYSTEM EMULATION ............................................................................................................ 10
6.5 ARCHITECTURE
................................................................................................................................... 10
6.6 INSTRUCTION SET
............................................................................................................................... 10
6.6.1 Key Instruction Set Features ............................................................................................................. 10
6.6.2 Single Byte/Single Cycle Code Execution
....................................................................................... 10
6.6.3 Many Single-Byte, Multi-Function Instructions .................................................................................. 10
6.6.4 Bit-Level Control ................................................................................................................................ 11
6.6.5 Register Set ....................................................................................................................................... 11
6.7 PACKAGING/PIN EFFICIENCY .............................................................................................................. 11
7.0 Absolute Maximum Ratings ....................................................................................................................... 12
8.0 Electrical Characteristics ............................................................................................................................ 12
9.0 Pin Descriptions ......................................................................................................................................... 17
9.1 EMULATION CONNECTION ................................................................................................................... 18
10.0 Functional Description .............................................................................................................................. 19
10.1 CPU REGISTERS ................................................................................................................................. 19
10.2 PROGRAM MEMORY ........................................................................................................................... 19
10.3 DATA MEMORY .................................................................................................................................... 19
10.4 DATA MEMORY SEGMENT RAM EXTENSION .................................................................................. 19
10.4.1 Virtual EEPROM .............................................................................................................................. 20
10.5 OPTION REGISTER ............................................................................................................................. 20
10.6 SECURITY ............................................................................................................................................ 21
10.7 RESET ................................................................................................................................................... 21
10.7.1 External Reset ................................................................................................................................. 22
10.7.2 On-Chip Brownout Reset ................................................................................................................. 22
10.8 OSCILLATOR CIRCUITS ...................................................................................................................... 24
10.8.1 Oscillator .......................................................................................................................................... 24
10.8.2 Clock Doubler .................................................................................................................................. 24
................................................................................................................................................................... 0
10.9 CONTROL REGISTERS ....................................................................................................................... 25
10.9.1 CNTRL Register (Address X'00EE) ................................................................................................. 25
10.9.2 PSW Register (Address X'00EF) ..................................................................................................... 25
10.9.3 ICNTRL Register (Address X'00E8) ................................................................................................ 25
10.9.4 T2CNTRL Register (Address X'00C6) ............................................................................................. 25
10.9.5 T3CNTRL Register (Address X'00B6) ............................................................................................. 26
10.9.6 HSTCR Register (Address X'00AF) ................................................................................................ 26
10.9.7 ITMR Register (Address X'00CF) .................................................................................................... 26
11.0 In-System Programming ........................................................................................................................... 27
11.1 INTRODUCTION ................................................................................................................................... 27
11.2 FUNCTIONAL DESCRIPTION .............................................................................................................. 27
11.3 REGISTERS .......................................................................................................................................... 27
11.3.1 ISP Address Registers ..................................................................................................................... 27
11.3.2 ISP Read Data Register .................................................................................................................. 28
11.3.3 ISP Write Data Register ................................................................................................................... 28
11.3.4 ISP Write Timing Register ................................................................................................................ 28
11.4 MANEUVERING BACK AND FORTH BETWEEN FLASH MEMORY AND BOOT ROM ..................... 29
11.5 FORCED EXECUTION FROM BOOT ROM ......................................................................................... 29
11.6 RETURN TO FLASH MEMORY WITHOUT HARDWARE RESET ....................................................... 30
11.7 MICROWIRE/PLUS ISP ........................................................................................................................ 30
11.8 USER ISP AND VIRTUAL E
2
................................................................................................................ 30
11.9 RESTRICTIONS ON SOFTWARE WHEN CALLING ISP ROUTINES IN BOOT ROM ....................... 32
11.10 FLASH MEMORY DURABILITY CONSIDERATIONS ........................................................................ 32
12.0 Timers ....................................................................................................................................................... 34
12.1 TIMER T0 (IDLE TIMER) ...................................................................................................................... 34
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
COP8SBR9LVA8 功能描述:8位微控制器 -MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
COP8SBR9LVA8/NOPB 功能描述:8位微控制器 -MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
COP8SBR9LVA8NOPB 制造商:National Semiconductor 功能描述:MCU 8-bit COP8 CISC 32KB Flash 3.3V/5V 68-Pin PLCC Rail
COP8SCE9 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
COP8SCE9HLQ7 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Bit CMOS Flash Microcontroller with 8k Memory, Virtual EEPROM and Brownout Reset
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