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| 型号： | M66239FP |
| 厂商： | Renesas Technology Corp. |
| 英文描述： | High Speed Standard Clock Generator With Frequency Synthesizer |
| 中文描述： | 高速标准时钟发生器，频率合成器 |
| 文件页数： | 5/24页 |
| 文件大小： | 312K |
| 代理商： | M66239FP |
M66239FP
Rev.1.00 Mar 16, 2005 page 13 of 23
Function Mode 4 (cont.)
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
F1stpole
F3rdpole
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".
F1stpole and Fpeak+ must set higher frequency than Fcenter.
F3rdpole and Fpeak– must set lower frequency than Fcenter.
Output
clock
frequency
Modulation start
Modulation end
Figure 7.2 Operation Timing of Mode 4 (2)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M66239FP(#RB0S) | 制造商:Renesas Electronics Corporation 功能描述: |
| M66240 | 制造商:MITSUBISHI 制造商全称: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 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (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 制造商全称:Mitsubishi Electric Semiconductor 功能描述:4-CH 16-BIT PWM GENERATOR |
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