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LC87F0808A Datenblatt(PDF) 10 Page - Sanyo Semicon Device |
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LC87F0808A Datenblatt(HTML) 10 Page - Sanyo Semicon Device |
10 / 25 page LC87F0808A No.A1828-10/25 Continued from preceding page. Pin Name I/O Description Option Port 7 • 4-bit I/O port • I/O specifiable in 1-bit units • Pull-up resistors can be turned on and off in 1-bit units. • Pin functions P70: INT0 input/HOLD reset input/timer 0L capture input P71: INT1 input/HOLD reset input/timer 0H capture input P72: INT2 input/HOLD reset input/timer 0 event input / timer 0L capture input P73: INT3 input (with noise filter)/ timer 0 event input/timer 0H capture input Interrupt acknowledge types Rising Falling Rising & Falling H level L level INT0 enable enable disable enable enable INT1 enable enable disable enable enable INT2 enable enable enable disable disable INT3 enable enable enable disable disable P70 to P73 I/O No OWP0 I/O On-chip debugger (exclusive pin) No 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 input 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 1 CMOS Programmable (Note 1) P00 to P07 1 bit 2 Nch-open drain No 1 CMOS Programmable P10 to P17 1 bit 2 Nch-open drain Programmable 1 CMOS Programmable P20 to P21 1 bit 2 Nch-open drain Programmable 1 CMOS Programmable P30 to P35 1 bit 2 Nch-open drain Programmable P70 to P73 - No CMOS Programmable 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). |
Ähnliche Teilenummer - LC87F0808A |
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Ähnliche Beschreibung - LC87F0808A |
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