AT43USB320A_04 ATMEL [ATMEL Corporation], AT43USB320A_04 Datasheet - Page 16

• Manufacturer Part Number: AT43USB320A_04
• Description: Full-speed USB Microcontroller with an Embedded Hub
• Manufacturer: ATMEL [ATMEL Corporation]

I/O Memory
16
AT43USB320A
The I/O space definition of the AT43USB320A is shown in the following table:
Table 5. I/O Memory Space
I/O (SRAM)
$3D ($5D)
$3E ($5E)
$3B ($5B)
$3A ($5A)
$2E ($4E)
$2D ($52)
$2C ($52)
$2B ($4B)
$2A ($4A)
$1B ($4B)
$1A ($3A)
$3F ($5F)
$39 ($59)
$38 ($58)
$35 ($55)
$33 ($53)
$32 ($52)
$2F ($4F)
$29 ($49)
$28 ($48)
$25 ($45)
$24 ($44)
$21 ($41)
$19 ($39)
$18 ($38)
$17 ($37)
$16 ($36)
$12 ($32)
$11 ($31)
$10 ($30)
Address
$13($33)
$0B (2B)
$0A (2A)
$09 (29)
OCR1AH
OCR1BH
TCCR1A
OCR1AL
OCR1BL
TTCR1B
TCNT1H
TCNT1L
MCUCR
WDTCR
PORTC
PORTD
TCCR0
PORTB
GIMSK
TCNT0
PORTA
TIMSK
ICR1H
DDRD
SREG
ICR1L
DDRA
DDRB
UBRR
Name
GIFR
PIND
TIFR
PINA
PINB
USR
UCR
SPH
SPL
Function
Status Register
Stack Pointer High
Stack Pointer Low
General Interrupt Mask Register
General Interrupt Flag Register
Timer/Counter Interrupt Mask Register
Timer/Counter Interrupt Mask Register
MCU General Control Register
Timer/Counter0 Control Register
Timer/Counter0 (8 bit)
Timer/Counter1 Control Register A
Timer/Counter0 Control Register B
Timer/Counter1 High Byte
Timer/Counter0 Low Byte
Timer/Counter1 Output Compare Register A High Byte
Timer/Counter1 Output Compare Register A Low Byte
Timer/Counter1 Output Compare Register B High Byte
Timer/Counter1 Output Compare Register B Low Byte
T/C 1 Input Capture Register High Byte
T/C 1 Input Capture Register Low Byte
Watchdog Timer Counter 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 Register, Port D
Data Direction Register, Port D
Input Pins, Port D
UART Status Register
UART Control Register
UART Baud Rate Register
1443E–USB–4/04