參數(shù)資料
型號： AT89C51AC3-SLSUM
廠商： Atmel
文件頁數(shù)： 71/140頁
文件大?。?/td> 0K
描述： IC 8051 MCU FLASH 64K 44PLCC
產(chǎn)品培訓(xùn)模塊： MCU Product Line Introduction
標(biāo)準(zhǔn)包裝： 972
系列： 89C
核心處理器： 8051
芯體尺寸： 8-位
速度： 60MHz
連通性： UART/USART
外圍設(shè)備： POR，PWM，WDT
輸入/輸出數(shù)： 36
程序存儲器容量： 64KB（64K x 8）
程序存儲器類型： 閃存
EEPROM 大小： 2K x 8
RAM 容量： 2.25K x 8
電壓 - 電源 (Vcc/Vdd)： 3 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x10b
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 44-LCC（J 形引線）
包裝： 管件
配用： AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
dsPIC33FJXXXGPX06/X08/X10
DS70286C-page 34
2009 Microchip Technology Inc.
4.1.1
PROGRAM MEMORY
ORGANIZATION
The program memory space is organized in
word-addressable blocks. Although it is treated as
24 bits wide, it is more appropriate to think of each
address of the program memory as a lower and upper
word, with the upper byte of the upper word being
unimplemented. The lower word always has an even
address, while the upper word has an odd address
Program memory addresses are always word-aligned
on the lower word, and addresses are incremented or
decremented by two during code execution. This
arrangement also provides compatibility with data
memory space addressing and makes it possible to
access data in the program memory space.
4.1.2
INTERRUPT AND TRAP VECTORS
All dsPIC33FJXXXGPX06/X08/X10 devices reserve
the addresses between 0x00000 and 0x000200 for
hard-coded program execution vectors. A hardware
Reset vector is provided to redirect code execution
from the default value of the PC on device Reset to the
actual start of code. A GOTO instruction is programmed
by the user at 0x000000, with the actual address for the
start of code at 0x000002.
dsPIC33FJXXXGPX06/X08/X10 devices also have
two interrupt vector tables, located from 0x000004 to
0x0000FF and 0x000100 to 0x0001FF. These vector
tables allow each of the many device interrupt sources
to be handled by separate Interrupt Service Routines
(ISRs). A more detailed discussion of the interrupt
vector tables is provided in Section 7.1 “Interrupt
FIGURE 4-2:
PROGRAM MEMORY ORGANIZATION
0
8
16
PC Address
0x000000
0x000002
0x000004
0x000006
23
00000000
Program Memory
‘Phantom’ Byte
(read as ‘0’)
least significant word
most significant word
Instruction Width
0x000001
0x000003
0x000005
0x000007
msw
Address
(lsw Address)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT89C51CAEAI-TISUM 制造商:Atmel Corporation 功能描述:
AT89C51CC01 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Enhanced 8-bit Microcontroller with CAN Controller and Flash Memory
AT89C51CC01CA-RLTUM 功能描述:8位微控制器 -MCU CAN Bootloader CAN 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 最大時鐘頻率:50 MHz 程序存儲器大小: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
AT89C51CC01CA-SLSUM 功能描述:8位微控制器 -MCU Bootloader CAN 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 最大時鐘頻率:50 MHz 程序存儲器大小: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
AT89C51CC01CU-SLSUM 功能描述:8位微控制器 -MCU Microcontroller 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 最大時鐘頻率:50 MHz 程序存儲器大小: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
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