M306V2 Mitsubishi, M306V2 Datasheet - Page 18
M306V2
Manufacturer Part Number
M306V2
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
Manufacturer
Mitsubishi
Datasheet
1.M306V2.pdf
(276 pages)
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18
2.3 Reset
Figure 2.3.1 Example reset circuit
2.3.1 Software 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” (0.2V
level while main clock is stable, the reset status is cancelled and program execution resumes from the
address in the reset vector table.
Figure 2.3.1 shows the example reset circuit. Figure 2.3.2 shows the reset sequence.
Writing “1” to bit 3 of the processor mode register 0 (address 0004
microcomputer. A software reset has almost the same effect as a hardware reset. The contents of internal
RAM are preserved.
Example when f(X
RESET
CC
max.) for at least 20 cycles. When the reset pin level is then returned to the “H”
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
V
CC
IN
) = 10 MHz and V
RESET
V
5V
0V
5V
0V
CC
CC
= 5V.
and ON-SCREEN DISPLAY CONTROLLER
0.9V
4.5V
16
) applies a (software) reset to the
MITSUBISHI MICROCOMPUTERS
M306V2ME-XXXFP
M306V2EEFP
Rev. 1.0
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