AT90S8515 Ver la hoja de datos (PDF) - Atmel Corporation

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AT90S8515

8-bit Microcontroller with 8K Bytes In-System Programmable Flash

Atmel Corporation 

I/O Memory

0841G–09/01

AT90S8515

The I/O space definition of the AT90S8515 is shown in Table 1.

Table 1. AT90S8515 I/O Space

Address Hex

Name Function

$3F ($5F)

SREG Status Register

$3E ($5E)

SPH

Stack Pointer High

$3D ($5D)

SPL

Stack Pointer Low

$3B ($5B)

GIMSK General Interrupt Mask register

$3A ($5A)

GIFR General Interrupt Flag Register

$39 ($59)

TIMSK Timer/Counter Interrupt Mask register

$38 ($58)

TIFR

Timer/Counter Interrupt Flag register

$35 ($55)

MCUCR MCU general Control Register

$33 ($53)

TCCR0 Timer/Counter0 Control Register

$32 ($52)

TCNT0 Timer/Counter0 (8-bit)

$2F ($4F)

TCCR1A Timer/Counter1 Control Register A

$2E ($4E)

TCCR1B Timer/Counter1 Control Register B

$2D ($4D)

TCNT1H Timer/Counter1 High Byte

$2C ($4C)

TCNT1L Timer/Counter1 Low Byte

$2B ($4B)

OCR1AH Timer/Counter1 Output Compare Register A High Byte

$2A ($4A)

OCR1AL Timer/Counter1 Output Compare Register A Low Byte

$29 ($49)

OCR1BH Timer/Counter1 Output Compare Register B High Byte

$28 ($48)

OCR1BL Timer/Counter1 Output Compare Register B Low Byte

$25 ($45)

ICR1H T/C 1 Input Capture Register High Byte

$24 ($44)

ICR1L T/C 1 Input Capture Register Low Byte

$21 ($41)

WDTCR Watchdog Timer Control Register

$1F ($3E)

EEARH EEPROM Address Register High Byte (AT90S8515)

$1E ($3E)

EEARL EEPROM Address Register Low Byte

$1D ($3D)

EEDR EEPROM Data Register

$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

19

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