ATMEGA161L-4PC Atmel, ATMEGA161L-4PC Datasheet - Page 20
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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ATmega161(L)
Table 1. ATmega161 I/O Space
Note:
(SRAM Address)
I/O Address
$1C ($3C)
$1A ($3A)
$0E ($2E)
$0D ($2D)
$0C ($2C)
$0B ($2B)
$0A ($2A)
$0F ($2F)
$19 ($39)
$18 ($38)
$17 ($37)
$16 ($36)
$15 ($35)
$14 ($34)
$13 ($33)
$12 ($32)
$11 ($31)
$10 ($30)
$09 ($29)
$08 ($28)
$07 ($27)
$06 ($26)
$05 ($25)
$03 ($23)
$02 ($22)
$01 ($21)
$00 ($20)
$1B($3B)
1. Reserved and unused locations are not shown in this table.
Name
EECR
PORTA
DDRA
PINA
PORTB
DDRB
PINB
PORTC
DDRC
PINC
PORTD
DDRD
PIND
SPDR
SPSR
SPCR
UDR0
UCSR0A
UCSR0B
UBRR0
ACSR
PORTE
DDRE
PINE
UDR1
UCSR1A
UCSR1B
UBRR1
(1)
Function
EEPROM Control Register
Data Register, Port A
Data Direction Register, Port A
Input Pins, Port A
Data Register, Port B
Data Direction Register, Port B
Input Pins, Port B
Data Register, Port C
Data Direction Register, Port C
Input Pins, Port C
Data Register, Port D
Data Direction Register, Port D
Input Pins, Port D
SPI I/O Data Register
SPI Status Register
SPI Control Register
UART0 I/O Data Register
UART0 Control and Status Register
UART0 Control and Status Register
UART0 Baud Rate Register
Analog Comparator Control and Status Register
Data Register, Port E
Data Direction Register, Port E
Input Pins, Port E
UART1 I/O Data Register
UART1 Control and Status Register
UART1 Control and Status Register
UART1 Baud Rate Register
(Continued)
1228D–AVR–02/07
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