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參數(shù)資料
| 型號： | 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)： | 15/61頁 |
| 文件大?。?/td> | 232K |
| 代理商： | MSM64P164-XXXGS-V1K |
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2-5
2.3.2 Operations of Optional 1.5V Logic Power Supply Circuits
1.5V optional logic power supply circuits are supplied as a power supply with ordinary logic
circuits for IC power supply voltage VDD1.
2.3.3 Operations of Optional 3.0V Logic Power Supply Circuits
In the 3.0V option, IC power supply voltage VDD2 is supplied to the logic circuit except the
crystal oscillation circuit in the system reset mode, in the selection of the 400kHz CR oscillation
output as the system clock (CPUCLK="1"), and in setting the bit (BUPF) of the back-up control
register (BUPCON) to 1, and 1/2 descending output voltage is supplied for other modes than
these.
In addition, IC power supply voltage VDD2 in supplied to the crystal oscillation circuit in the
system reset mode only, and VDD1 is supplied for other modes than this.
In the system reset mode, BUPF is reset to "0", but the logic voltagae becomes the VDD2 level
during 0.5 sec as shown in Figure 2-4. Table 2-3 shows the logic voltage status with the
operational mode, CPUCLK bit, and BUPF flag. Figure 2-4 shows the logic voltage status just
after the system reset mode.
Table 2-3 Logic Voltage Status
Figure 2-4 Logic Power Supply Status just after System Reset Mode (3.0V Option)
RESET0
(internal reset signal)
X'tal oscillation output
Logic power supply
VSS
32.768 kHz
0.5sec
VDD2
3.0V
1.5V
VDD2
VDD1
Operational
Mode
CPUCLK Flag
BUPF Flag
Logic Voltage (VDDL)
except x'tal oscillationcircuit
X'tal oscillation circuit
voltage (VDDX)
System reset mode
and druing 0.5 sec
just after this mode
—
VDD2
0
VDD1
Except the above
0
1
VDD2
1
—
VDD2
(Standard: VSS)
相關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 |
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| 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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