参数资料
型号: M30102F3TFP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP48
封装: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件页数: 125/166页
文件大小: 2060K
代理商: M30102F3TFP
Under
development
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
Watchdog Timer
58
Watchdog timer control register
Symbol
Address
When reset
WDC
000F16
000XXXXX2
Function
Bit symbol
W
R
b7
b6
b5
b4
b3
b2
b1
b0
High-order bit of watchdog timer
WDC7
Bit name
Prescaler select bit
0 : Divided by 16
1 : Divided by 128
Watchdog timer start register
Symbol
Address
When reset
WDTS
000E16
Indeterminate
W
R
b7
b0
Function
The watchdog timer is initialized and starts counting after a write instruction to
this register. The watchdog timer value is always initialized to “7FFF16
regardless of whatever value is written.
Reserved bit
Must always be set to “0”
0
Figure 1.13.2. Watchdog timer control and start registers
Processor mode register 1 (Note 1)
Symbol
Address
When reset
PM1
000516
00XXX0X02
Bit name
Function
Bit symbol
W
R
b7
b6 b5
b4
b3
b2
b1
b0
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”
0
Note 1: Set bit 1 of the protect register (address 000A16) to “1” when writing new
values to this register.
Note 2: After setting this bit to "1", can not change to "0" by software.
PM12
WDT interrupt/reset
switching bit
0 : Watchdog timer interrupt
1 : Reset (Note 2)
0
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”
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