參數(shù)資料
型號: AT89C51CC01UA-RLRUM
廠商: Atmel
文件頁數(shù): 105/123頁
文件大小: 0K
描述: IC 8051 MCU 32K FLASH 44-VQFP
產(chǎn)品培訓(xùn)模塊: MCU Product Line Introduction
標準包裝: 1,500
系列: AT89C CAN
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: CAN,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 34
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量: 1.25K 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-LQFP
包裝: 標準包裝
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
其它名稱: AT89C51CC01UA-RLRUMDKR
42
A/T89C51CC01
4129N–CAN–03/08
Figure 24. Reading Procedure
Note:
1. aa = 10 for the Hardware Security Byte.
Flash Protection from Parallel
Programming
The three lock bits in Hardware Security Byte (see "In-System-Programming" section)
are programmed according to Table 27 provide different level of protection for the on-
chip code and data located in FM0 and FM1.
The only way to write these bits are the parallel mode. They are set by default to level 4
Table 27. Program Lock bit
Program Lock bits
U: unprogrammed
P: programmed
WARNING: Security level 2 and 3 should only be programmed after Flash and Core
verification.
Preventing Flash Corruption
Flash Spaces Reading
Flash Spaces Mapping
FCON = 0000aa0b
(1)
Data Read
DPTR = Address
ACC = 0
Exec: MOVC A, @A+DPTR
Clear Mode
FCON = 00h
Program Lock Bits
Protection Description
Security
Level
LB0
LB1
LB2
1
U
No program lock features enabled. MOVC instruction executed from
external program memory returns non coded data.
2
P
U
MOVC instructions executed from external program memory are barred
to return code bytes from internal memory, EA is sampled and latched
on reset, and further parallel programming of the Flash is disabled.
3
U
P
U
Same as 2, also verify through parallel programming interface is
disabled.
4
U
P
Same as 3, also external execution is disabled if code roll over beyond
7FFFh
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AT89C51CC01UA-RLTUM 功能描述:8位微控制器 -MCU CAN Bootloader UART 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 安裝風格:SMD/SMT
AT89C51CC01UA-SLSUM 功能描述:8位微控制器 -MCU CAN-STICK Bootloader UART IND 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 安裝風格:SMD/SMT
AT89C51CC01UU-RLTUM 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 安裝風格:SMD/SMT
AT89C51CC01UU-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 安裝風格:SMD/SMT
AT89C51CC02 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Enhanced 8-bit Microcontroller with CAN Controller and Flash