参数资料
型号: M30201F4T-FP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP56
封装: PLASTIC, QFP-56
文件页数: 45/158页
文件大小: 1633K
代理商: M30201F4T-FP
139
Appendix Parallel I/O Mode
Preliminary
Under
development
Mitsubishi microcomputers
M30201 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Command
Program verify
Read
Program
First bus cycle
Second bus cycle
0016
4016
C016
Write
Program
address
Write
Read
Erase verify
A016
Write
Verify
data
Read
Erase
2016
Write
2016
Write
Reset
FF16
Write
Mode
Address
Mode
Address
Data
(D0 to D7)
Data
(D0 to D7)
x
Program
data
Verify
data
FF16
Write
x
Verify
address
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 (D0–D7) 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 (0016)
The read mode is entered by writing the command code “0016” 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 (D0–D7).
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 (4016)
The program mode is entered by writing the command code “4016” 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
executes the program operation. The program operation requires approximately 20 ms. Wait for 20 ms
or more before the user go to the next processing.
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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