參數(shù)資料
型號: T89C51RD2-DDFI-L
廠商: Atmel Corp.
英文描述: IC - OPTOISOLATOR 4N28
中文描述: 0至40MHz可編程閃存8位微控制器
文件頁數(shù): 54/170頁
文件大?。?/td> 1927K
代理商: T89C51RD2-DDFI-L
54
A/T89C51CC01
4129L–CAN–08/05
Hardware Security Byte
Table 34.
Hardware Security Byte
Default value after erasing chip: FFh
Notes:
1. Only the 4 MSB bits can be accessed by software.
2. The 4 LSB bits can only be accessed by parallel mode.
7
6
5
4
3
2
1
0
X2B
BLJB
-
-
-
LB2
LB1
LB0
Bit
Number
Bit
Mnemonic
Description
7
X2B
X2 Bit
Set this bit to start in standard mode.
Clear this bit to start in X2 mode.
6
BLJB
Boot Loader JumpBit
- 1: To start the user’s application on next RESET (@0000h) located in FM0,
- 0: To start the boot loader(@F800h) located in FM1.
5-3
-
Reserved
The value read from these bits are indeterminate.
2-0
LB2:0
Lock Bits
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
T89C51RD2-DDFI-M 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller
T89C51RD2-DDRC-L 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller
T89C51RD2-DDRC-M 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller
T89C51RD2-DDRI-L 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller
T89C51RD2-DDRI-M 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller