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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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EM78F651NAMS/NAMJ Datenblatt(PDF) 7 Page - ELAN Microelectronics Corp |
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EM78F651NAMS/NAMJ Datenblatt(HTML) 7 Page - ELAN Microelectronics Corp |
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7 / 58 page  EM78F651N 8-Bit Microcontroller Product Specification (V1.1) 10.20.2006 • 3 (This specification is subject to change without further notice) 4 Pin Description Table 1 EM78F651NAP, EM78F651NAM Symbol Pin No. Type Function P54~P55 13, 14 I/O Bidirectional 2-bit input/output pins P60~P67 4~11 I/O Bidirectional 8-bit input/output pins. These can be pulled-high or can be open drain by software programming. P60~63 can also be pulled down by software. P77 1 I/O P77 is an open drain I/O pin. OSCI 14 I Crystal type: Crystal input terminal or external clock input pin ERC type: RC oscillator input pin OSCO 13 I/O Crystal type: Output terminal for crystal oscillator or external clock input pin. RC type: Instruction clock output. External clock signal input. TCC 1 I Real time clock/counter (with Schmitt Trigger input pin) must be tied to VDD or VSS if not in use. /INT 4 I External interrupt pin triggered by a falling edge. /RESET 2 I Input pin with Schmitt Trigger. If this pin remains at logic low, the controller will also remain in reset condition. VDD 12 − Power supply VSS 3 − Ground Table 2 EM78F651NBP, EM78F651NBM Symbol Pin No. Type Function P50, P53 P54~P55 16, 1, 14, 15 I/O Bidirectional 4-bit input/output pins 50, P53 can be pulled-down by software. P60~P67 5~12 I/O Bidirectional 8-bit input/output pins. These can be pulled-high or can be open drain by software programming. P60~63 can also be pulled down by software. P77 2 I/O P77 is an open drain I/O pin. OSCI 15 I Crystal type: Crystal input terminal or external clock input pin ERC type: RC oscillator input pin OSCO 14 I/O Crystal type: Output terminal for crystal oscillator or external clock input pin. RC type: Instruction clock output. External clock signal input. TCC 2 I The real time clock/counter (with Schmitt Trigger input pin) must be tied to VDD or VSS if not in use. /INT 5 I External interrupt pin triggered by a falling edge. /RESET 3 I Input pin with Schmitt Trigger. If this pin remains at logic low, the controller will also remain in reset condition. VDD 13 - Power supply VSS 4 - Ground |
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