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LC87FBK08A датащи(PDF) 11 Page - ON Semiconductor |
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LC87FBK08A датащи(HTML) 11 Page - ON Semiconductor |
11 / 28 page LC87FBK08A No.A1956-11/28 Continued from preceding page. Pin Name I/O Description Option RES I/O External reset input / internal reset output No CF1/XT1 I • Ceramic resonator or 32.768kHz crystal oscillator input pin • Pin function General-purpose input port No CF2/XT2 I/O • Ceramic resonator or 32.768kHz crystal oscillator output pin • Pin function General-purpose I/O port No Port Output Types The table below lists the types of port outputs and the presence/absence of a pull-up resistor. Data can be read into any input port even if it is in the output mode. Port Name Option selected in units of Option type Output type Pull-up resistor P00 to P07 1 bit 1 CMOS Programmable (Note 1) 2 Nch-open drain No P10 to P17 1 bit 1 CMOS Programmable 2 Nch-open drain Programmable P20 to P21 1 bit 1 CMOS Programmable 2 Nch-open drain Programmable P70 - No Nch-open drain Programmable CF2/XT2 - No Ceramic resonator/32.768kHz crystal resonator output Nch-open drain (N-channel open drain when set to general-purpose output port) No Note 1: The control of the presence or absence of the programmable pull-up resistors for port 0 and the switching between low-and high-impedance pull-up connection is exercised in nibble (4-bit) units (P00 to 03 or P04 to 07). User Option Table Option Name Option to be Applied on Mask version *1 Flash-ROM Version Option Selected in Units of Option Selection Port output type P00 to P07 1 bit CMOS Nch-open drain P10 to P17 1 bit CMOS Nch-open drain P20 to P21 1 bit CMOS Nch-open drain Program start address - × *2 - 00000h 01E00h Low-voltage detection reset function Detect function - Enable:Use Disable:Not Used Detect level - 3-level Power-on reset function Power-On reset level - 4-level *1: Mask option selection - No change possible after mask is completed. *2: Program start address of the mask version is 00000h. |
Аналогичный номер детали - LC87FBK08A |
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Аналогичное описание - LC87FBK08A |
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