參數(shù)資料
型號: M30600E8-XXXGP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 48/139頁
文件大?。?/td> 1782K
代理商: M30600E8-XXXGP
Mitsubishi microcomputers
M16C / 60 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Reset
18
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” (0.2 VCC max.) for at least 2
s. When the reset pin level is then returned to the “H” level
while main clock is stable, the reset status is cancelled and program execution resumes from the address
in the reset vector table.
Figure 1.11 shows an example reset circuit. Figure 1.12 shows the reset sequence.
Figure 1.11. Example reset circuit
BCLK
Address
Microprocessor
mode BYTE = “H”
Microprocessor
mode BYTE = “L”
Content of reset vector
Single-chip
mode
BCLK 24 cycles
FFFFC16
FFFFD16
FFFFE16
Content of reset vector
FFFFC16
FFFFE16
Content of reset vector
FFFFE16
XIN
RESET
RD
WR
CS0
RD
WR
CS0
FFFFC16
More than 20 cycles are needed
RESET
VCC
0.8V
RESET
VCC
0V
5V
4.0V
Example when f(XIN) = 10MHz and VCC = 5V
.
Figure 1.12. Reset sequence
相關PDF資料
PDF描述
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