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| 型號(hào)： | M30240M4-XXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, MICROCONTROLLER, PQFP80 |
| 封裝： | 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁(yè)數(shù)： | 61/125頁(yè) |
| 文件大?。?/td> | 753K |
| 代理商： | M30240M4-XXXFP |
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CONFIDENTIAL
42
Mitsubishi microcomputers
M16C / 24 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change
Frequency Synthesizer Circuit
(2) Multiplier
Clock fVCO is a multiplied up version of clock fPIN (See Figure 25). The relationship between fVCO and
the clock input to the multiplier (fPIN) from the prescaler is as follows:
fVCO = fPIN x 2(n+1) where n is the decimal equivalent of the value loaded in FSM.
Setting FSM to 255 disables the multiplier and fVCO = fPIN.
Note:
n must be chosen such that fVCO equals 48 MHz.
Figure 25:
Frequency Synthesizer Multiply Register (FSM)
(3) Divider
Clock fSYN is a divided down version of clock fVCO (See Figure 26). The relationship between fSYN and
the clock input to the divider (fVCO) from the multiplier is as follows:
fSYN = fVCO / 2(m+1) where m is the decimal equivalent of the value loaded in FSD.
Setting FSD to 255 disables the divider and fSYN = fVCO.
Figure 26:
Frequency Synthesizer Divide Register (FSD)
fPIN x2(n+1)=fVCO
fPIN
FSM
fVCO
Dec(n)
Hex(n)
320 kHz
74
4A
48.00 MHz
2 MHz
11
0B
48.00 MHz
4 MHz
5
05
48.00 MHz
6 MHz
3
03
48.00 MHz
12 MHz
1
01
48.00 MHz
MSB
7
LSB
0
Bit 6
Bit 1
Bit 0
Bit 2
Bit 5
Bit 4
Bit 3
Bit 7
Address: 03DD16
Access: R/W
Reset:
FF16
fVCO/2(m+1) = fSYN
fVCO
FSD
fSYN
Dec(m)
Hex(m)
48.00 MHz 1
01
12.00 MHz
48.00 MHz 127
7F
187.50 KHz
MSB
7
LSB
0
Bit 6
Bit 1
Bit 0
Address: 03DF16
Access: R/W
Reset:
FF16
Bit 2
Bit 5
Bit 4
Bit 3
Bit 7
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PDF描述 |
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| M30240M1-XXXFP | 16-BIT, MROM, MICROCONTROLLER, PQFP80 |
| M30245MC-XXXGP | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| M30245FCGP | 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP100 |
| M30260F3VGP | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP48 |
| M30260M3A-XXXGP-U5 | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP48 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M30240M5 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M5-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M6 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M6-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M7 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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