參數(shù)資料
型號: M30201F4-XXXSP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
中文描述: 單片16位CMOS微機
文件頁數(shù): 139/159頁
文件大小: 1496K
代理商: M30201F4-XXXSP
Appendix Parallel I/O Mode
Peimnay
or more before the user go to the next processing.
Unde
deeopmen
Mitsubishi microcomputers
M30201 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
139
Command
Program verify
Read
Program
First bus cycle
Second bus cycle
00
16
40
16
C0
16
Write
Write
Write
Program
address
Write
Read
Erase verify
A0
16
Write
Verify
data
Read
Erase
20
16
Write
20
16
Write
Reset
FF
16
Write
Mode
Address
Mode
Address
Data
(D
0
to D
7
)
Data
(D
0
to D
7
)
x
Program
data
Verify
data
FF
16
Write
x
x
x
x
Verify
address
x
x
x
x
Software Commands
Table CC-4 lists the software commands available with the M30201 (flash memory version). By entering
a software command from the data I/O pins (D
0
–D
7
) in Write mode, specify the content of the operation,
such as erase or program operation, to be performed.
The following explains the content of each software command.
Table CC-4. Software command list (parallel I/O mode)
Read Command (00
16
)
The read mode is entered by writing the command code “00
16
” in the first bus cycle. When an address
to be read is input in one of the bus cycles that follow, the content of the specified address is read out
at the data I/O pins (D
0
–D
7
).
The read mode is retained intact until another command is written.
After reset and after the reset command is executed, the read mode is set.
Program Command (40
16
)
The program mode is entered by writing the command code “40
16
” in the first bus cycle. When an
address and data to be program is write in the second bus cycle, the flash memory control circuit
Note 1: The write operation is not completed immediately by writing a program command once. The
user must always execute a program-verify command after each program command executed. And if
verification fails, the user need to execute the program command repeatedly until the verification
passes. See Figure CC-4 for an example of a programming flowchart.
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