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M306V5ME-XXXSP Datasheet(PDF) 27 Page - Mitsubishi Electric Semiconductor

Part No. M306V5ME-XXXSP
Description  SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
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Maker  MITSUBISHI [Mitsubishi Electric Semiconductor]
Homepage  http://www.mitsubishichips.com
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M306V5ME-XXXSP Datasheet(HTML) 27 Page - Mitsubishi Electric Semiconductor

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M306V5ME-XXXSP
M306V5EESP
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
27
Rev. 1.0
Table 2.5.1. Clock oscillation circuits
Main clock oscillation circuit
OSD oscillation circuit
Use of clock
• CPU’s operating clock source
• OSD’s operating clock source
• Internal peripheral units’
operating clock source
Usable oscillator
• Ceramic resonator
• Ceramic resonator
(or quartz-crystal oscillator)
(or quartz-crystal oscillator)
• LC oscillator
Pins to connect oscillator
XIN, XOUT
OSC1, OSC2
Oscillation stop/restart function
Available
Oscillator status immediately after reset
Oscillating
Other
Externally derived clock can be input
2.5.1 Example of Oscillator Circuit
Figure 2.5.1 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. Circuit constants in Figure 2.5.1 vary
with each oscillator used. Use the values recommended by the manufacturer of your oscillator.
Microcomputer
(Built-in feedback resistor)
XIN
XOUT
Externally derived clock
Open
Vcc
Vss
Microcomputer
(Built-in feedback resistor)
XIN
XOUT
Rd
CIN
COUT
(Note)
Note: Insert a damping resistor if required. The resistance will vary depending on the oscillator and the oscillation drive
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. When being specified to connect a
feedback resistor externally by the manufacture, connect a feedback resistor between pins XIN and XOUT.
Figure 2.5.1 Examples of main clock
2.5 Clock Generating Circuit
The clock generating circuit contains each oscillator circuit that supplies the operating clock sources to the
CPU and internal peripheral units and that supplies the operating clock source to OSD.


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