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參數(shù)資料
| 型號： | M66239FP |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | High Speed Standard Clock Generator With Frequency Synthesizer |
| 中文描述： | 高速標準時鐘發(fā)生器，頻率合成器 |
| 文件頁數(shù)： | 4/24頁 |
| 文件大?。?/td> | 312K |
| 代理商： | M66239FP |
M66239FP
Rev.1.00 Mar 16, 2005 page 12 of 23
Function Mode 4
Mode 4 is polygon modulation type as following.
Frequency modulation is set by serial input resister.
(1) Operation mode
: Resister 1
(2) Frequency modulation period (Trate)
: Resister 2
(3) Frequency modulation start position (Tstart)
: Resister 3
(4) Output center frequency (fcenter)
: Resister 4
(5) Output peak frequency (fpeak)
: Resister 5
(6) 1st.pole position (1stPole)
: Resister 6
(7) 2nd.pole position (2ndPole)
: Resister 7
(8) 3rd.pole position (3rdPole)
: Resister 8
(9) 4th.pole position (4thPole)
: Resister 9
(10) 1st.Pole frequency (f1stPole)
: Resister 10
(11) 3rd.Pole frequency (f3rdPole)
: Resister 11
Tstart
2nd Pole
1st Pole
MCLK
TR
CKO
Fpeak+
Fpeak–
Fcenter
F3rdpole
F1stpole
4th Pole
3rd Pole
Trate
Tspace1
Tspace3
Tspace4
Tspace2
Tspace5
Notes: 1.
2.
3.
Each Pole position (cycle number) is defined by Tstart position.
Until next TR input, output clock frequency keep "Fcenter".
F3rdpole and Fpeak+ must set higher frequency than Fcenter.
F1stpole and Fpeak– must set lower frequency than Fcenter.
Output
clock
frequency
Modulation start
Modulation end
Figure 7.1 Operation Timing of Mode 4 (1)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M66239FP(#RB0S) | 制造商:Renesas Electronics Corporation 功能描述: |
| M66240 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:4-CH 16-BIT PWM GENERATOR |
| M66240FP | 功能描述:IC REG CTRLR PWM 24SOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| M66240FP#TB0Q | 制造商:Renesas Electronics Corporation 功能描述:MCU 4 CH 16 BIT PWM GENERATOR - Trays |
| M66240P | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:4-CH 16-BIT PWM GENERATOR |
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