ATMEGA161L-4PC Atmel, ATMEGA161L-4PC Datasheet - Page 4
ATMEGA161L-4PC
Manufacturer Part Number
ATMEGA161L-4PC
Description
IC AVR MCU 16K LV 4MHZ COM 40DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA161-8AC.pdf
(159 pages)
Specifications of ATMEGA161L-4PC
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
35
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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Block Diagram
4
ATmega161(L)
Figure 1. The ATmega161 Block Diagram
VCC
GND
DATA REGISTER
PROGRAMMING
INSTRUCTION
INSTRUCTION
PROGRAM
PROGRAM
REGISTER
COUNTER
CONTROL
PORTA
DECODER
FLASH
LINES
LOGIC
DATA REGISTER
PORTA DRIVERS
PORTB
PA0-PA7
PORTB DRIVERS
PB0 - PB7
REG. PORTA
DATA DIR.
REGISTERS
REG. PORTB
REGISTER
PURPOSE
GENERAL
DATA DIR.
POINTER
STATUS
STACK
SRAM
ALU
SPI
X
Y
Z
8-BIT DATA BUS
DATA REGISTER
PORTD
DATA REGISTER
PORTD DRIVERS
PORTC
MCU CONTROL
OSCILLATOR
WATCHDOG
INTERRUPT
COUNTERS
REGISTER
INTERNAL
PD0 - PD7
EEPROM
TIMER/
PORTC DRIVERS
TIMER
UARTS
UNIT
PC0-PC7
REG. PORTD
DATA DIR.
REG. PORTC
DATA DIR.
DATA REG.
OSCILLATOR
TIMING AND
PORTE
CONTROL
PORTE DRIVERS
PE0 - PE2
REG. PORTE
DATA DIR
1228D–AVR–02/07
XTAL1
XTAL2
RESET
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