參數(shù)資料
型號： M30102M3-XXXFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP48
封裝： 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù)： 68/166頁
文件大?。?/td> 2060K
代理商： M30102M3-XXXFP
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
Reset
13
Figure 1.5.2. Example reset circuit (example voltage check circuit)
Reset
There are two kinds of resets; hardware and software. In both cases, operation is the same after the reset.
(See “Software Reset” for details of software resets.) This section explains on hardware resets.
When the supply voltage is in the range where operation is guaranteed, a reset is effected by holding the
reset pin level “L” (0.2VCC max.) for at least 200
sec. When the reset pin level is then returned to the “H”
level, the reset status is cancelled and program execution resumes from the address in the reset vector
table. Since the value of RAM is indeterminate when power is applied, the initial values must be set. Also,
if a reset signal is input during write to RAM, the access to the RAM will be interrupted. Consequently, the
value of the RAM being written may change to an unintended value due to the interruption.
Figures 1.5.1 and 1.5.2 show the example reset circuit. Figure 1.5.3 shows the reset sequence.
Figure 1.5.1. Example reset circuit
RESET
VCC
Example when VCC = 5V
.
0.8V
RESET
VCC
0V
5V
4.0V
More than 200
sec
BCLK
Address
BCLK
28cycles
FFFFC16
FFFFE16
Content of reset vector
Internal ring
oscillation
RESET
More than 20 cycles are needed
(Internal clock)
(Internal address
signal)
Example when VCC = 5V
.
VCC
RESET
Supply voltage
detection circuit
RESET
VCC
0V
5V
4.0V
More than 200
sec
Figure 1.5.3. Reset sequence
相關PDF資料
PDF描述
M30100M2T-XXXFP 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP32
M30102M3T-XXXFP 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP48
M30100M2-XXXFP 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP32
M30100F3TFP 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP32
M30100M3-XXXFP 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP32
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