AT43USB326-AU Atmel, AT43USB326-AU Datasheet - Page 16

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

Specifications of AT43USB326-AU

• 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: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 3. USB Hardware
16
AT43USB326
Interface
Hub
Unit
Serial Interface Engine
AVR Microcontroller
Hub Repeater
XCVR
Port 0
Function
Interface
Port 1
Unit
Data
Address
Control
Port 3
XCVR
XCVR
Port 2
3313D–USB–04/06