AT43USB325E-AC Atmel, AT43USB325E-AC Datasheet - Page 13

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

Specifications of AT43USB325E-AC

• 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: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

3355C–USB–4/05
Table 3-2.
I/O Registers
Register File
R30
R31
$3E
$00
$01
$3F
R0
R1
SRAM Organization
Data Address Space
AT43USB325
USB Registers
Internal SRAM
$1FFE
$001E
$005E
$025E
$1FFF
$0000
$0001
$001F
$0020
$0021
$005F
$0060
$0061
$045F
$1F00
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