參數(shù)資料
型號(hào)： M37280MFH-XXXSP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP64
封裝： 0.750 INCH, PLASTIC, SDIP-64
文件頁數(shù)： 122/171頁
文件大小： 1465K
代理商： M37280MFH-XXXSP
54
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37280MFH–XXXSP, M37280MKH–XXXSP
M37280EKSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Fig. 8.9.2 ROM Correction Enable Register
Fig. 8.9.1 ROM Correction Address Registers
8.9 ROM CORRECTION FUNCTION
This can correct program data in ROM. Up to 2 addresses can be
corrected, a program for correction is stored in the ROM correction
vector in RAM as the top address. The ROM memory for correction
vectors are vectors.
Vector 1 : address 02C016
Vector 2 : address 02E016
Set the address of the ROM data to be corrected into the ROM cor-
rection address register. When the value of the counter matches the
ROM data address in the ROM correction vector as the top address,
the main program branches to the correction program stored in the
ROM memory for correction. To return from the correction program
to the main program, the op code and operand of the JMP instruction
(total of 3 bytes) are necessary at the end of the correction program.
The ROM correction function is controlled by the ROM correction
enable register.
Notes 1: Specify the first address (op code address) of each instruction as the ROM
correction address.
2: Use the JMP instruction (total of 3 bytes) to return from
the correction program to the main program.
3: Do not set the same ROM correction address to vector 1 and 2.
4: For the M37280MKH-XXXSP and M37280EKSP, when using the ex-
pansion ROM (BK7 = “1”), the ROM correction function do not oper-
ate used for addresses 100016 to1FFF16. Note that on programming.
020C16
ROM correction address 1 (high-order)
020D16
ROM correction address 1 (low-order)
020E16
ROM correction address 2 (high-order)
020F16
ROM correction address 2 (low-order)
b7 b6 b5 b4 b3 b2 b1 b0
ROM correction enable register (RCR) [Address 021016]
B
After reset RW
ROM Correction Enable Register
0
Vector 1 enable bit (RCR0)
Name
Functions
0: Disabled
1: Enabled
1
Vector 2 enable bit (RCR1)
0: Disabled
1: Enabled
4
to
7
Nothing is assigned. These bits are write disable bits. When
these bits are read out, the values are 0.
0
RW
R
0
2, 3 Fix these bits to 0.
0
RW
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37280MF-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37280MK 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37280MK-103SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37280MK-104SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37280MK-114SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
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