ATmega48PA Automotive Atmel Corporation, ATmega48PA Automotive Datasheet - Page 3
ATmega48PA Automotive
Manufacturer Part Number
ATmega48PA Automotive
Description
Manufacturer
Atmel Corporation
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2. Overview
2.1
7701E–AVR–02/11
Block Diagram
The Atmel
enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the
Atmel ATtiny24/44/84 achieves throughputs approaching 1MIPS per MHz allowing the system
designer to optimize power consumption versus processing speed.
Figure 2-1.
GND
VCC
®
ATtiny24/44/84 is a low-power CMOS 8-bit microcontroller based on the AVR
PROGRAMMING
Block Diagram
INSTRUCTION
PROGRAM
PROGRAM
REGISTER
INSTRUCTION
COUNTER
CONTROL
DECODER
FLASH
LINES
LOGIC
DATA REGISTER
PORT A
Atmel ATtiny24/44/84 [Preliminary]
PORT A DRIVERS
PA7-PA0
ISP INTERFACE
REGISTERS
POINTER
REGISTER
GENERAL
PURPOSE
STACK
STATUS
SRAM
ALU
X
Y
Z
REG.PORT A
DATA DIR.
8-BIT DATABUS
ADC
MCU CONTROL
MCU STATUS
OSCILLATOR
WATCHDOG
INTERRUPT
REGISTER
REGISTER
INTERNAL
COUNTER0
COUNTER1
EEPROM
TIMER/
TIMER/
DATA REGISTER
TIMER
UNIT
PORT B
PORT B DRIVERS
PB3-PB0
OSCILLATORS
CALIBRATED
OSCILLATOR
TIMING AND
REG.PORT B
INTERNAL
CONTROL
DATA DIR.
3
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