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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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MC68HC908AP16CFB Fiches technique(PDF) 30 Page - Motorola, Inc |
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MC68HC908AP16CFB Fiches technique(HTML) 30 Page - Motorola, Inc |
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30 / 440 page  General Description Data Sheet MC68HC908AP Family — Rev. 2.5 30 MOTOROLA 1.5 Pin Functions Description of the pin functions are provided in Table 1-2. Table 1-2. Pin Functions PIN NAME PIN DESCRIPTION IN/OUT VOLTAGE LEVEL VDD Power supply. In 4.5 to 5.5 or 2.7 to 3.3 VSS Power supply ground. Out 0 V VDDA Power supply for analog circuits. In VDD VSSA Power supply ground for analog circuits. Out VSS VREFH ADC input reference high. In VDDA VREFL ADC input reference low. Out VSSA VREG Internal (2.5V) regulator output. Require external capacitors for decoupling. Out 2.5V(1) RST Reset input, active low; with internal pullup and schmitt trigger input. In VDD IRQ1 External IRQ1 pin; with internal pullup and schmitt trigger input. In VDD Used for mode entry selection. In VDD to VTST OSC1 Crystal or RC oscillator input. In VREG OSC2 Crystal OSC option: crystal oscillator output; inverted OSC1. Out VREG RC OSC option: bus clock output. Out VREG Internal OSC option: bus clock output. Out VREG CGMXFC CGM external filter capacitor connection. In/Out Analog PTA0/ADC0 : PTA7/ADC7 8-bit general purpose I/O port. In/Out VDD Pins as ADC inputs, ADC0–ADC7. In VREFH Each pin has high current sink for LED. Out VDD Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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