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参数资料
| 型号： | M66238FP |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 50 MHz, OTHER CLOCK GENERATOR, PDSO32 |
| 封装： | 0.450 INCH, PLASTIC, SOP-32 |
| 文件页数： | 14/15页 |
| 文件大小： | 152K |
| 代理商： | M66238FP |
M66238FP
REJ03F0268-0200 Rev.2.00 Mar 18, 2008
Page 8 of 14
2. Operating mode setting commands
Address (A1, A0) = (1, 0) allows setting of one-shot pulse polarity and width, trigger edge, M66238 entire halt,
charge pump and VCO halt, phase comparator UP/DOWN output, LPF cutoff, CKO/PLLO switching, VCO
switching and charge pump switching.
Data Bit
Description
Default
0
D0
1
0
D1
1
Setting of trigger edge
D1
D0
Description
0
Synchronizes with TR
CKO is stopped when TR = "H"
0
1
Synchronizes with TR
CKO is stopped when TR = "L"
1
0
Synchronizes with TR
CKO is output when TR = "H"
1
Synchronizes with TR
CKO is output when TR = "L"
0
When trigger occurs: spike of sync clock is not eliminated.
D2
1
When trigger occurs: spike of sync clock is eliminated (disabled when D1 = 1).
0
Polarity of one-shot pulse: Negative pulse
D3
1
Polarity of one-shot pulse: Positive pulse
0
D4
1
0
D5
1
Setting of one-shot pulse width
D5
D4
Description
0
CKO 2-cycle width
0
1
CKO 4-cycle width
1
0
CKO 8-cycle width
1
CKO 16-cycle width
0
CKO/PLLO pin: CKO output
D6
1
CKO/PLLO pin: PLLO output
0
Entire M66238: Operating state
D7
1
Entire M66238: Halt state
0
VCO: Operating state
D8
1
VCO: Halt state
0
Charge pump: ON
D9
1
Charge pump: OFF
0
Low pass filter: Operating state
D10
1
Low pass filter: Separated
0
Normal use: Not output to outside
D11
1
Phase comparator UP/DOWN output enable
0
Normal use
D12
1
VCO test circuit set
0
Normal use
D13
1
Charge pump test circuit set
0
Normal use
D14
1
15-bit counter test clock enable
0
Normal use
D15
1
Sync clock generator test clock enable
0
Normal use
D16
1
Sync clock generator test input enable
0
Normal use
D17
1
12-bit counter test output enable
0
Normal use
D18
1
15-bit counter test output enable
0
Normal use
D19
1
Sync clock generator trigger test output enable
0
Normal use
D20
1
Sync clock generator test output enable
0
D21
:
D29
In normal use: "0" set
0
:
0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M66238FP(#TF0T) | 制造商:Renesas Electronics Corporation 功能描述: |
| M66239FP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:High Speed Standard Clock Generator With Frequency Synthesizer |
| 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) |
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