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GMS82512Q Datasheet(PDF) 9 Page - Hynix Semiconductor |
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GMS82512Q Datasheet(HTML) 9 Page - Hynix Semiconductor |
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9 / 93 page  GMS82512/16/24 HYUNDAI MicroElectronics 6 FEB. 2000 Ver 1.00 5. PIN FUNCTION VDD: Supply voltage. VSS: Circuit ground. TEST: Used for Test Mode. For normal operation, it should be connected to VDD. RESET: Reset the MCU. XIN: Input to the inverting oscillator amplifier and input to the internal main clock operating circuit. XOUT: Output from the inverting oscillator amplifier. R00~R07: R0 is an 8-bit CMOS bidirectional I/O port. R0 pins 1 or 0 written to the Port Direction Register, can be used as outputs or inputs. R20~R27: R2 is an 8-bit CMOS bidirectional I/O port. R2 pins 1 or 0 written to the Port Direction Register can be used as outputs or inputs. R30~R37: R3 is an 8-bit CMOS bidirectional I/O port. R3 pins 1 or 0 written to the Port Direction Register can be used as outputs or inputs. R40~R44: R4 is an 5-bit CMOS bidirectional I/O port. R4 pins 1 or 0 written to the Port Direction Register can be used as outputs or inputs. In addition, R4 serves the functions of the various follow- ing special features. R54~R55: R5 is an 2-bit CMOS bidirectional I/O port. R5 pins 1 or 0 written to the Port Direction Register can be used as outputs or inputs. In addition, R5 serves the functions of the various follow- ing special features. R64~R67: R6 is an 4-bit CMOS bidirectional I/O port. R6 pins 1 or 0 written to the Port Direction Register can be used as outputs or inputs. In addition, R6 is shared with the ADC input. AVDD: Supply voltage to the ladder resistor of ADC cir- cuit. To enhance the resolution of analog to digital convert- er, use independent power source as well as possible, other than digital power source. Port pin Alternate function R40 R41 R42 R43 R44 INT0 (External interrupt 0) INT1 (External interrupt 1) INT2 (External interrupt 2) INT3 (External interrupt 3) EC0 (Event counter input 0) Port pin Alternate function R54 R55 WDTO (Watchdog Timer output) BUZ (Buzzer driver output) Port pin Alternate function R64 R66 R66 R67 AN4 (Analog Input 4) AN5 (Analog Input 5) AN6 (Analog Input 6) AN7 (Analog Input 7) |
Similar Part No. - GMS82512Q |
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Similar Description - GMS82512Q |
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