Rainbow-electronics ATmega161L Manual de usuario descargar pdf (Pagina 20)

ATmega161(L)

1228C–AVR–08/02

Note: 1. Reserved and unused locations are not shown in this table.

$1C ($3C) EECR EEPROM Control Register

$1B($3B) PORTA Data Register, Port A

$1A ($3A) DDRA Data Direction Register, Port A

$19 ($39) PINA Input Pins, Port A

$18 ($38) PORTB Data Register, Port B

$17 ($37) DDRB Data Direction Register, Port B

$16 ($36) PINB Input Pins, Port B

$15 ($35) PORTC Data Register, Port C

$14 ($34) DDRC Data Direction Register, Port C

$13 ($33) PINC Input Pins, Port C

$12 ($32) PORTD Data Register, Port D

$11 ($31) DDRD Data Direction Register, Port D

$10 ($30) PIND Input Pins, Port D

$0F ($2F) SPDR SPI I/O Data Register

$0E ($2E) SPSR SPI Status Register

$0D ($2D) SPCR SPI Control Register

$0C ($2C) UDR0 UART0 I/O Data Register

$0B ($2B) UCSR0A UART0 Control and Status Register

$0A ($2A) UCSR0B UART0 Control and Status Register

$09 ($29) UBRR0 UART0 Baud Rate Register

$08 ($28) ACSR Analog Comparator Control and Status Register

$07 ($27) PORTE Data Register, Port E

$06 ($26) DDRE Data Direction Register, Port E

$05 ($25) PINE Input Pins, Port E

$03 ($23) UDR1 UART1 I/O Data Register

$02 ($22) UCSR1A UART1 Control and Status Register

$01 ($21) UCSR1B UART1 Control and Status Register

$00 ($20) UBRR1 UART1 Baud Rate Register

Table 1. ATmega161 I/O Space

(1)

(Continued)

I/O Address

(SRAM Address) Name Function

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 158 159

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Rainbow-electronics ATmega161L Manual de usuario Pagina 20