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參數(shù)資料
| 型號： | M38869MFAHP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件頁數(shù)： | 88/111頁 |
| 文件大?。?/td> | 1644K |
| 代理商： | M38869MFAHP |
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78
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
MITSUBISHI MICROCOMPUTERS
PRELIMINAR
Y
for flash
memory
version
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
q Error check command
Input command code 80 16 in the first transfer, and the
M38869FFAHP outputs error information from the SDA pin, begin-
ning at the next falling edge of the serial clock. If the LSB bit of the
8-bit error information is 1, it indicates that a command error has
occurred. A command error means that some invalid commands
other than commands shown in Table 26 has been input.
When a command error occurs, the serial communication circuit
sets the corresponding flag and stops functioning to avoid an erro-
neous programming or erase. When being placed in this state, the
serial communication circuit does not accept the subsequent serial
clock and data (even including an error check command). There-
fore, if the user wants to execute an error check command,
temporarily drop the VPP pin input to the VPPL level to terminate
the serial input/output mode. Then, place the M38869FFAHP into
the serial I/O mode back again. The serial communication circuit is
reset by this operation and is ready to accept commands. The er-
ror flag alone is not cleared by this operation, so the user can
examine the serial communication circuit’s error conditions before
reset. This examination is done by the first execution of an error
check command after the reset. The error flag is cleared when the
user has executed the error check command. Because the error
flag is undefined immediately after power-on, always be sure to
execute the error check command.
Fig. 77 Timings at error checking
SCLK
BUSY
OE
SDA
E0
tCH
Command code input (8016)
Error flag output
00000001
??????
Note: When outputting the error flag, the SDA pin is switched for output at the first falling edge of the serial clock. The SDA pin is placed
in the floating state during the period of th(C-E) after the last rising edge of the serial clock (at the 8th bit).
?
“H”
“L”
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38869MFA-XXXGP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38869MFA-XXXHP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38869MF-XXXHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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