參數(shù)資料
    

    


    


    
型號(hào)：
T89C51RD2-3CSIL

    

    
廠(chǎng)商：
ATMEL CORP

    

    
元件分類(lèi)：
微控制器/微處理器

    

    
英文描述：
0 to 40 MHz Flash Programmable 8-bit Microcontroller

    

    
中文描述：
8-BIT, FLASH, 25 MHz, MICROCONTROLLER, PDIP40

    

    
封裝：
PLASTIC, DIP-40

    

    
文件頁(yè)數(shù)：
77/104頁(yè)

    

    
文件大?。?/td>
798K

    

    
代理商：
T89C51RD2-3CSIL


    

    

    

	
    
    
    

    
    
	
    77
    T89C51RD2
    4243G
    –
    8051
    –
    05/03
    1. In Page Load Mode the current byte is loaded on ALE rising edge.
    2. After a power up all external test mode to program or to erase the Flash are locked to avoid any untimely programming or
    erasure.
    After each programming or erasure test mode, it
    ’
    s advised to lock this feature (test mode PELCK).
    To validate the test mode mode PEULCK the following sequence has to be applied:Test Mode PEULCK with ALE = 1.
    Pulse on ALE (min width=25clk) with P0=55 (P0 latched on ALE rising edge)
    Pulse on ALE (min width=25clk) with P0=AA (P0 latched on ALE rising edge)
    3. The highest security bit (bit 7) is used to secure the 7 lowest bit erasure. The only way to erase this bit is to erase the whole
    Flash memory.
    Procedure to program security bits (After array programming): 
    - program bit7 to 0, program all other bits ( 1 = erased, 0 = programmed).
    - test mode PGMS (din = HSB).
    Procedure to erase security byte: 
    - test mode CERR: erase all array included HSB.
    - program hardware security byte to FF: test mode PGMS (din = FF).
    Mode 
    Name
    Mode
    P1[7..0]
    P2[5..0]
    P3.0
    P3.1
    P3.2
    P3.3
    P3.4
    P3.5
    PELCK
    Program or Erase Lock.
    Disable the Erasure or Programming access
    xx
    xx
    x
    x
    x
    1
    x
    x
    PEULCK
    Program or Erase UnLock.
    Enable the Erasure or Programming access
    xx
    xx
    x
    x
    x
    0
    x
    x
    PGMC
    Write Code Data (byte)
    or write Page
    Always precedeed by PGML
    A7-A0
    A13-A8
    1
    x
    x
    0
    A14
    A15
    PGML
    Memory Page Load
    (up to 128 bytes)
    A7-A0
    A13-A8
    1
    x
    x
    0
    A14
    A15
    PGMV
    Read Code Data (byte)
    A7-A0
    A13-A8
    1
    x
    x
    1
    A14
    A15
    VSB
    Read Security Byte (=HSB)
    xx
    xx
    1
    x
    x
    1
    x
    x
    PGMS
    Write lock Byte (Note 4)
    (security byte = HSB)
    xx
    xx
    1
    x
    x
    0
    x
    x
    CERR
    Chip Erase User + XAF
    xx
    xx
    1
    x
    x
    0
    x
    x
    PGXC
    Write Byte or Page Extra Memory (XAF)
    Always precedeed by PGXL
    A7-A0
    (0-7F)
    xx
    1
    x
    x
    0
    x
    x
    PGXL
    Memory Page Load XAF
    (up to 128 bytes)
    A7-A0
    (0-7F)
    xx
    1
    x
    x
    1
    x
    x
    TMS
    Read Signature bytes
    30h (Manufacturer code)
    31h (Device ID #1)
    60h (Device ID #2)
    61h (Device ID #3)
    30h
    31h
    60h
    61h
    x
    x
    x
    x
    1
    x
    x
    RXAF
    Read Extra Memory 
    (XAF)
    Addr 
    (0-7F)
    00
    1
    x
    x
    0
    x
    x
    
    
    
    
    
    


    


    

    相關(guān)PDF資料
    		

    PDF描述
    		

    
    

    
T89C51RD2-3CSIM
0 to 40 MHz Flash Programmable 8-bit Microcontroller

    

    
T89C51RD2-DDVCM
0 to 40 MHz Flash Programmable 8-bit Microcontroller

    

    
T89C51RD2-RDTCL
0 to 40 MHz Flash Programmable 8-bit Microcontroller

    

    
T89C51RD2-RDTCM
0 to 40 MHz Flash Programmable 8-bit Microcontroller

    

    
T89C51RD2-SMSIL
0 to 40 MHz Flash Programmable 8-bit Microcontroller

    

    

    

    


    


    

    相關(guān)代理商/技術(shù)參數(shù)
    		

    參數(shù)描述
    		

    
    

    
T89C51RD2-3CSI-L
 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller

    

    
T89C51RD2-3CSIM
 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:0 to 40 MHz Flash Programmable 8-bit Microcontroller

    

    
T89C51RD2-3CSI-M
 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller

    

    
T89C51RD2-3CTC-L
 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller

    

    
T89C51RD2-3CTC-M
 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller

    

    
    
    
    
	
    	
    
    
     
     
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