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: 43/158页
文件大小: 1633K
代理商: M30201F4T-FP
137
Appendix Parallel I/O Mode
Preliminary
Under
development
Mitsubishi microcomputers
M30201 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Read
only
Read/
Write
Read
Write
Output disabled
Stand by
Read
Output disabled
Stand by
Data output
Hi-Z
Data output
Hi-Z
Data input
VIL
VIH
VIL
VIH
VIL
VIH
VIL
VIH
VIL
VIH
Mode
Pin name
CE
OE
WE
VRFY
D0 to D7
Note: X can be VIL or VIH.
VPPH
VPP
VPPH
X
Hi-Z
VIL
VIH
VIL
VIH
User ROM and Boot ROM Areas
In parallel I/O mode, the user ROM and boot ROM areas shown in Figure CC-1 can be rewritten.
In the boot ROM area, an erase block operation is applied to only one 4 K byte block. The boot ROM area
has had a standard serial I/O mode control program stored in it when shipped from the Mitsubishi factory.
Therefore, using the device in standard serial input/output mode, the user does not need to write to the
boot ROM area.
Functional Outline (Parallel I/O Mode)
In parallel I/O mode, bus operation modes—Read, Output Disable, Standby, and Write—are selected by
_____
the status of the CE, OE, WE, VRFY, and CNVSS input pins.
The contents of erase, program, and other operations are selected by writing a software command. The
data in memory can only be read out by a read after software command input.
Program and erase operations are controlled using software commands.
Table CC-3. Relationship between control signals and bus operation modes
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