AT43USB326-AU Atmel, AT43USB326-AU Datasheet - Page 10
![IC USB KEYBOARD CTRLR 48LQFP](/photos/6/76/67647/453-48-lqfp_sml.jpg)
AT43USB326-AU
Manufacturer Part Number
AT43USB326-AU
Description
IC USB KEYBOARD CTRLR 48LQFP
Manufacturer
Atmel
Series
AVR®r
Datasheet
1.AT43USB326-AC.pdf
(102 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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10
AT43USB326
Table 2. SRAM Organization
I/O Registers
Register File
R30
R31
$00
$01
$3E
$3F
R0
R1
Data Address Space
USB Registers
Internal SRAM
$1FFE
$1FFF
$0000
$0001
$001E
$001F
$0020
$0021
$005E
$005F
$0060
$0061
$025E
$045F
$1F00
3313D–USB–04/06
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