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| 型號(hào)： | M30220MA-101GP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | RES-ARRAY 100-OHM 2-ELEMENT 5% 0.063W CONVEX THK-FILM SMD-0505 TR-7-PA |
| 中文描述： | 單片16位CMOS微機(jī) |
| 文件頁(yè)數(shù)： | 20/212頁(yè) |
| 文件大小： | 2891K |
| 代理商： | M30220MA-101GP |
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Unde
deeopmen
Preliminary Specifications REV.E
Specifications in this manual are tentative and subject to change.
Clock Generating Circuit
Mitsubishi microcomputers
M30220 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
20
Figure 1.9.2. Examples of sub-clock
Table 1.9.1. Main clock and sub-clock generating circuits
Clock Generating Circuit
The clock generating circuit contains two oscillator circuits that supply the operating clock sources to the
CPU and internal peripheral units.
Example of oscillator circuit
Figure 1.9.1 shows some examples of the main clock circuit, one using an oscillator connected to the
circuit, and the other one using an externally derived clock for input. Figure 1.9.2 shows some examples of
sub-clock circuits, one using an oscillator connected to the circuit, and the other one using an externally
derived clock for input. Circuit constants in Figures 1.9.1 and 1.9.2 vary with each oscillator used. Use the
values recommended by the manufacturer of your oscillator.
Figure 1.9.1. Examples of main clock
Main clock generating circuit
CPU’s operating clock source
Internal peripheral units’
operating clock source
Sub-clock generating circuit
CPU’s operating clock source
Timer A/B’s count clock
source
Intermittent pullup operation
clock source of key input
LCD operation clock source
Crystal oscillator
X
CIN
, X
COUT
Available
Stopped
Use of clock
Usable oscillator
Pins to connect oscillator
Oscillation stop/restart function
Oscillator status immediately after reset
Other
Ceramic or crystal oscillator
X
IN
, X
OUT
Available
Oscillating
Externally derived clock can be input
Microcomputer
(Built-in feedback resistor)
X
IN
X
OUT
Open
Externally derived clock
Vcc
Vss
Microcomputer
(Built-in feedback resistor)
X
IN
X
OUT
R
d
C
IN
C
OUT
(Note)
Note: capacity setting. Use the value recommended by the maker of the oscillator.
When the oscillation drive capacity is set to low, check that oscillation is stable. Also, if the oscillator manufacturer's
IN
and X
OUT
following the instruction.
(Built-in feedback resistor)
X
CIN
X
COUT
Open
Externally derived clock
Vcc
Vss
Note: capacity setting. Use the value recommended by the maker of the oscillator.
When the oscillation drive capacity is set to low, check that oscillation is stable. Also, if the oscillator manufacturer's
CIN
data sheet specifies that a feedback resistor be added external to the chip, insert a feedback resistor between X
COUT
following the instruction.
(Built-in feedback resistor)
X
CIN
X
COUT
(Note)
R
Cd
C
CIN
C
COUT
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| M30220MA-101RP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30220 | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30220FA | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30220FC | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30220FCGP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M30220MA-101RP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30220MA-XXXGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30220MA-XXXRP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30220MC | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30220MX-XXXGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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