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ATMEGA128A Scheda tecnica(PDF) 2 Page - ATMEL Corporation |
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ATMEGA128A Scheda tecnica(HTML) 2 Page - ATMEL Corporation |
2 / 22 page 19 8151GS–AVR–07/10 ATmega128A 1. Pin Configurations Figure 1-1. Pinout ATmega128A Note: The Pinout figure applies to both TQFP and MLF packages. The bottom pad under the QFN/MLF package should be soldered to ground. 2. Overview The ATmega128A is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega128A achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 PEN RXD0/(PDI) PE0 (TXD0/PDO) PE1 (XCK0/AIN0) PE2 (OC3A/AIN1) PE3 (OC3B/INT4) PE4 (OC3C/INT5) PE5 (T3/INT6) PE6 (ICP3/INT7) PE7 (SS) PB0 (SCK) PB1 (MOSI) PB2 (MISO) PB3 (OC0) PB4 (OC1A) PB5 (OC1B) PB6 PA3 (AD3) PA4 (AD4) PA5 (AD5) PA6 (AD6) PA7 (AD7) PG2(ALE) PC7 (A15) PC6 (A14) PC5 (A13) PC4 (A12) PC3 (A11) PC2 (A10) PC1 (A9) PC0 (A8) PG1(RD) PG0(WR) |
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