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| 型號： | M30100 |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單片16位CMOS微機(jī) |
| 文件頁數(shù)： | 20/164頁 |
| 文件大?。?/td> | 3302K |
| 代理商： | M30100 |
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deveopment
Tentative Specifications REV.E1
Clock Generating Circuit
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M30100/M30102 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
19
Clock Generating Circuit
The clock generating circuit contains three oscillator circuits that supply the operating clock sources to the
CPU and internal peripheral units.
Example of oscillator circuit
Figure 1.8.1 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 1.8.2 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 1.8.1 and 1.8.2 vary with each oscillator used. Use the
values recommended by the manufacturer of your oscillator.
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 : 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. Also, if the oscillator
manufacturer's data sheet specifies that a feedback resistor be added external to the chip, insert a feedback
resistor between X
IN
and X
OUT
following the instruction.
Microcomputer
X
IN
X
OUT
R
C
Microcomputer
(Built-in feedback resistor)
External ceramic oscillator
External RC oscillator
External clock input
Table 1.8.1. Main clock, sub-clock, and ring oscillator generating circuits
Main clock generating circuit
Use of clock
CPU’s operating clock source CPU’s operating clock source
Internal peripheral units’ Timer 1/X/Y/Z’s count
operating clock source
Sub clock generating circuit
Ring oscillator generating circuit
CPU’s operating clock source
Internal peripheral units’
operating clock source
Timer Y’s count clock
source
–
clock source
Usable oscillator (Note) Ceramic, crystal or RC
Crystal oscillator
oscillator
Pins to connect oscillator X
IN
, X
OUT
Oscillation stop/restart function
Available
Oscillator status immediately
Oscillating
after reset
Other
Note : When not using the main clock generating circuit, pull up the X
IN
pin and leave the X
OUT
pin open.
Also, set the main clock stop bit (bit 5 of address 0006) to "1" (stop).
X
CIN
, X
COUT
Available
Stopped
None (has internal pins)
Available
Oscillating
Externally derived clock can be input
–
Figure 1.8.1. Examples of main clock
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| M30-1000046 | 功能描述:集管和線殼 FEMALE CRIMP CONTACT 1.25MM PTCH 20K REEL RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點(diǎn)類型:Pin (Male) 節(jié)距:1 mm 位置/觸點(diǎn)數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點(diǎn)材料:Brass 觸點(diǎn)電鍍:Gold 制造商:Hirose Connector |
| M30100T3-RPD-E | 制造商:Renesas Electronics Corporation 功能描述:DEV EMULATOR POD M16C/10 SERIES - Bulk |
| M30100T-PTC | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Converter for Connecting 32-pin 0.8mm-pitch QFP for M30100T-PRB (for M16C/10 Group M30100) |
| M30-1010046 | 功能描述:集管和線殼 1.25MM FEMALE CRIMP TIN PK OF 105 RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點(diǎn)類型:Pin (Male) 節(jié)距:1 mm 位置/觸點(diǎn)數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點(diǎn)材料:Brass 觸點(diǎn)電鍍:Gold 制造商:Hirose Connector |
| M3010102636207.32LLZZ | 制造商:3M Electronic Products Division 功能描述:QUOTE # V05-0068 |
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