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參數(shù)資料
| 型號(hào)： | MSM64P164-XXXGS-V1K |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, OTPROM, 0.066 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數(shù)： | 14/61頁 |
| 文件大?。?/td> | 232K |
| 代理商： | MSM64P164-XXXGS-V1K |
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2-4
2.3 Logic Power Supply
The MSM64P164 has no built-in logic power supply constant voltage (VR). Internal logic circuit
is driven by VDD1 of the lowest voltage level insted. Therefore, the power supply voltage is
driven by the 1.5V option and the 1/2 descending output voltage is driven by the 3.0V option.
The crystal oscillation circuit power supply uses a different driving method from the logic power
supply for the 3.0V option that differs from the mask ROM chip.
2.3.1 Configuration of the Logic Power Supply Driving Circuits
Figure 2-3 shows the configuration of driving circuits of the logic power supply.
VDDL
VSS
Logic circuit
MSM64P164 (1.5V option)
VDD1
VSS
Ca
1.5V
VDDL
VSS
Logic circuit except
X'tal oscillation circuit
MSM64P164 (3.0V option)
VDD1
VSS
Ca
3.0V
VDD2
Cb
From bias
generating circuit
(+1.5V)
VDDX
VSS
RESETS
CPUCLK*
BUPF*
SW1
X'tal oscillation
circuit
* BUPF shows the output of a back-up flag.
CPUCLK shows the output of a system clock selecting bit.
Figure 2-3 Logic Power Supply Driving Circuits
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSM64P164-XXXGS-V1K | 4-BIT, OTPROM, 0.066 MHz, MICROCONTROLLER, PQFP80 |
| MSM6502B-XXXGS-K | 4-BIT, MROM, 0.032768 MHz, MICROCONTROLLER, PQFP56 |
| MSM6502B-XXXGS-2K | 4-BIT, MROM, 0.032768 MHz, MICROCONTROLLER, PQFP56 |
| MSM6512-XXXGS-2K | 4-BIT, MROM, 0.032768 MHz, MICROCONTROLLER, PQFP56 |
| MSM6512-XXXGS-K | 4-BIT, MROM, 0.032768 MHz, MICROCONTROLLER, PQFP56 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM64Q424 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Built-in 256/512-Bit EEPROM and LCD Driver 4-Bit Microcontroller |
| MSM64Q424-NGS-K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Built-in 256/512-Bit EEPROM and LCD Driver 4-Bit Microcontroller |
| MSM6500 | 制造商:QUANTUM 制造商全稱:QUANTUM 功能描述:MSM6500⑩ CHIPSET SOLUTION |
| MSM6502B | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Low-power and Built-in LCD Driver 4-Bit Microcontroller |
| MSM6502B-XXXGS-2K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Low-power and Built-in LCD Driver 4-Bit Microcontroller |
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