AT43USB326-AU Atmel, AT43USB326-AU Datasheet - Page 89

• 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

3313D–USB–04/06
Table 33. Miscellaneous Data
Table 34. Keyboard Matrix
Address
41
42 through 6E
6F
Address
70
71
72
73
74
75
76
77
78
79
7A
7B
7C
7D
7E
7F
80
81
82
83
84
85
86
87
88
Data
28
31
50
3F
30
3E
2A
2E
36
07
06
25
0E
20
08
0C
63
5E
5B
3D
61
3C
4C
49
37
KB Row
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
–
Data
F0
2D
KB Col
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
3
Description
KB Enter
KB \
Left Arrow
F6
]
F5
Backspace
=
Comma
D
C
KB 8
K
KB 3
E
I
KP Period
KP 6
KP 3
F4
KP 9
F3
Delete
Insert
Period
Description
Checksum of Mask Byte + bytes in
Language ID + bytes in Manuf String + bytes
in Product String + bytes in Serial Number +
bytes in extra hot keys
(BF + 04 + 0C + 12 + 08 + 07 = F0)
Don't cares. May be written with 0's
Checksum of keyboard matrix codes
AT43USB326
89