AT43USB325E-AU Atmel, AT43USB325E-AU Datasheet - Page 19

• 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

Figure 3-3.
3355C–USB–4/05
USB Hardware
Interface
Hub
Unit
Serial Interface Engine
AVR Microcontroller
Hub Repeater
XCVR
Port 0
Function
Interface
Port 1
Unit
Data
Address
Control
XCVR
Port 5
XCVR
XCVR
XCVR
Port 2
Port 3
Port 4
AT43USB325
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