AT43USB325E-AU Atmel, AT43USB325E-AU Datasheet - Page 17

• Manufacturer Part Number: AT43USB325E-AU
• Description: IC USB KEYBOARD CTRLR 64LQFP
• Manufacturer: Atmel
• Series: AVR®r

Specifications of AT43USB325E-AU

• Applications: Keyboard Controller
• Core Processor: AVR
• Program Memory Type: SRAM (16 kB)
• Controller Series: AT43USB
• Ram Size: 512 x 8
• Interface: SPI, 3-Wire Serial
• Number Of I /o: 42
• Voltage - Supply: 4.4 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 3-4.
3.6
3355C–USB–4/05
Name
FCAR1
FCAR2
FCAR3
I/O Memory
Address
$1FA4
$1FA3
$1FA2
USB Hub and Function Registers (Continued)
Bit 7
CTL DIR
CTL DIR
CTL DIR
The I/O space definition of the AT43USB325 is shown in the following table:
Table 3-5.
Bit 6
DATA END
DATA END
DATA END
I/O (SRAM)
$3D ($5D)
$3E ($5E)
$3B ($5B)
$3A ($5A)
$2E ($4E)
$2B ($4B)
$2A ($4A)
$1B ($4B)
$1A ($3A)
$3F ($5F)
$2F ($4F)
$2D ($52)
$2C ($52)
$39 ($59)
$38 ($58)
$35 ($55)
$33 ($53)
$32 ($52)
$29 ($49)
$28 ($48)
$25 ($45)
$24 ($44)
$21 ($41)
$19 ($39)
$18 ($38)
$17 ($37)
$16 ($36)
Address
Bit 5
FORCE STALL
FORCE STALL
FORCE STALL
I/O Memory Space
Bit 4
TX PACKET READY
TX PACKET READY
TX PACK RDY
OCR1AH
OCR1BH
OCR1AL
TCCR1A
TTCR1B
TCNT1H
OCR1BL
TCNT1L
MCUCR
WDTCR
PORTB
GIMSK
TCCR0
PORTA
TCNT0
TIMSK
ICR1H
SREG
ICR1L
DDRA
DDRB
Name
GIFR
PINA
PINB
TIFR
SPH
SPL
Bit 3
STALL_SENT-ACK
STALL_SENT-ACK
STALL_SENT_ACK
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/Counter1 Control Register B
Timer/Counter1 High Byte
Timer/Counter1 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
Bit 2
RX_SETUP_ACK
RX_SETUP_ACK
-
Bit 1
RX_OUT_PACKET_ACK
RX_OUT_PACKET_ACK
RX_OUT_PACKET_ACK
AT43USB325
Bit 0
TX_COMPLETE-ACK
TX_COMPLETE-ACK
TX_COMPLETE_ACK
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