參數(shù)資料
型號: M30100
廠商: Renesas Technology Corp.
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): 16/164頁
文件大?。?/td> 3302K
代理商: M30100
deveopment
Software Wait
Tentative Specifications REV.E1
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M30100/M30102 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
15
Software Reset
Writing “1” to bit 3 of the processor mode register 0 (address 0004
16
) applies a (software) reset to the
microcomputer. A software reset has almost the same effect as a hardware reset. The contents of internal
RAM are preserved.
Figure 1.5.5 shows the processor mode register 0 and 1.
Figure 1.5.5. Processor mode register 0 and 1.
Processor mode register 0 (Note)
Symbol
PM0
Address
0004
16
When reset
XXXX0X00
2
Bit name
Function
Bit symbol
Reserved bit
W
R
b7 b6
b5
b4
b3
b2
b1 b0
0
PM03
Software reset bit
The device is reset when this bit
is set to “1”. The value of this bit
is “0” when read.
Note: Set bit 1 of the protect register (address 000A
16
) to “1” when writing new
values to this register.
Processor mode register 1 (Note 1)
Symbol
PM1
Address
0005
16
When reset
00XXX0X0
2
Bit name
Function
Bit symbol
b7
0
b6 b5
0
b4
b3
b2
b1
b0
0
Nothing is assigned.
In an attempt to write to this bits, write “0”. The value, if read, turns
out to be
indeterminate.
Reserved bit
Must always be set to “0”
Note 1: Set bit 1 of the protect register (address 000A
16
) to “1” when writing new
values to this register.
Note 2: After setting this bit to "1", can not change to "0" by software.
AA
AA
AA
Must always be set to “0”
PM12
WDT interrupt/reset
switching bit
0 : Watchdog timer interrupt
1 : Reset (Note 2)
A
A
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns
out to be
indeterminate.
0
Nothing is assigned.
In an attempt to write to this bit, write “0”. The value, if read, turns out
to be
indeterminate.
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns
out to be
indeterminate.
Reserved bit
Must always be set to “0”
A
A
A
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