AT90S8515

Manufacturer Part NumberAT90S8515
Description8-bit microcontroller with 8K bytes in-system programmable flash, 2.7-6.0V
ManufacturerATMEL Corporation
AT90S8515 datasheet
 
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Page 19/112:

I/O Memory

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I/O Memory

0841G–09/01
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
AT90S8515
19