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ATMEGA8515-16JC View Datasheet(PDF) - Atmel Corporation

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ATMEGA8515-16JC Datasheet PDF : 21 Pages
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Overview
Block Diagram
2512JS–AVR–10/06
ATmega8515(L)
The ATmega8515 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 ATmega8515 achieves throughputs approaching 1 MIPS per MHz allowing the sys-
tem designer to optimize power consumption versus processing speed.
Figure 2. Block Diagram
VCC
PA0 - PA7
PE0 - PE2
PC0 - PC7
GND
PORTA DRIVERS/BUFFERS
PORTA DIGITAL INTERFACE
PORTE
DRIVERS/
BUFFERS
PORTE
DIGITAL
INTERFACE
PORTC DRIVERS/BUFFERS
PORTC DIGITAL INTERFACE
PROGRAM
COUNTER
STACK
POINTER
PROGRAM
FLASH
SRAM
INSTRUCTION
REGISTER
INSTRUCTION
DECODER
CONTROL
LINES
AVR CPU
GENERAL
PURPOSE
REGISTERS
X
Y
Z
ALU
STATUS
REGISTER
PROGRAMMING
LOGIC
SPI
+
COMP.
-
INTERFACE
TIMERS/
COUNTERS
INTERNAL
OSCILLATOR
WATCHDOG
TIMER
MCU CTRL.
& TIMING
INTERRUPT
UNIT
EEPROM
OSCILLATOR
INTERNAL
CALIBRATED
OSCILLATOR
USART
XTAL1
XTAL2
RESET
PORTB DIGITAL INTERFACE
PORTB DRIVERS/BUFFERS
PB0 - PB7
PORTD DIGITAL INTERFACE
PORTD DRIVERS/BUFFERS
PD0 - PD7
3
 

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