AT43USB326-AC Atmel, AT43USB326-AC Datasheet - Page 12

• Manufacturer Part Number: AT43USB326-AC
• Description: IC USB KEYBOARD CTRLR HUB 48LQFP
• Manufacturer: Atmel
• Series: AVR®r

Specifications of AT43USB326-AC

• Applications: Keyboard Controller
• Core Processor: AVR
• Program Memory Type: Mask ROM (16 kB)
• Controller Series: AT43USB
• Ram Size: 512 x 8
• Interface: USB
• Number Of I /o: 32
• Voltage - Supply: 4.4 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

12
AT43USB326
Table 3. USB Hub and Function Registers (Continued)
Address
$1FB1
$1FB0
$1FAA
$1FA9
$1FA7
$1FA5
$1FA4
$1FA3
Name
HPSCR2
HPSCR1
PSTATE3
PSTATE2
HCAR0
FCAR0
FCAR1
FCAR2
Function
Hub Port 2 Status Change Register
Hub Port 1 Status Change Register
Hub Port 3 Bus State Register
Hub Port 2 Bus State Register
Hub Endpoint 0 Control and Acknowledge Register
Function Endpoint 0 Control and Acknowledge Register
Function Endpoint 1 Control and Acknowledge Register
Function Endpoint 2 Control and Acknowledge Register
3313D–USB–04/06