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| 型號： | MSM64P164-XXXGS-V1K |
| 廠商： | LAPIS SEMICONDUCTOR 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)： | 13/61頁 |
| 文件大?。?/td> | 232K |
| 代理商： | MSM64P164-XXXGS-V1K |
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2-3
2.2.2 Circuit Configuration for 5V Interface
The power supplies for the input circuit of port 0, the output circuit of port 1, and the input/output
circuit of port 2, 3 or 4 are shown as VDD-VSS levels. However, as shown in Figure 2-1, the
polarity of the power suply for a 5V interface is different from the MSM64164 chip. Figure 2-
2 shows differences for the circuit configuration between the mask ROM chip and the OTP chip
in the case of connecting ports 0 to 4 to a device that operates with another external power
supply.
In addition, if all the port-signal levels of the port 0, port 1 and ports 2 to 4 are the same as the
IC power supply voltage levels, be sure to connect the VDD pin to VDD1 or VDD2.
VDD
External Device
VSS
P0
P1
P2
P3
P4
MSM64164
(Mask ROM chip)
VDD
VSS1
or
VSS2
32, 67
42 or 44
43
IC Power Supply
VSS
External Device
Power Supply
(a) Circuit Configuration for the MSM64164
42 or 44
VDD
External Device
VSS
P0
P1
P2
P3
P4
MSM64164
(OTP chip)
VSS
VDD1
or
VDD2
32, 67
IC Power Supply
External Device
Power Supply
43
VDD
(b) Circuit Configuration for the MSM64P164
Figure 2-2
Circuit Configuration to Connect Ports 0 to 4 to an External
Device with a Different Power Supply
相關PDF資料 |
PDF描述 |
|---|---|
| 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 |
| MSM6502B-XXXGS-2K | 4-BIT, MROM, 0.032768 MHz, MICROCONTROLLER, PQFP56 |
相關代理商/技術參數(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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