AT43USB326-AC Atmel, AT43USB326-AC Datasheet - Page 3

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

Specifications of AT43USB326-AC

• 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: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Pin Assignment
3313D–USB–04/06
Pin#
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
PE1/COL17
PE0/COL16
PB7/COL15
PB6/COL14
PB5/COL13
PB4/COL12
PB3/COL11
PB2/COL10
PB1/COL9
PB0/COL8
PA7/COL7
PA6/COL6
PA5/COL5
CEXT1
Signal
XTAL1
XTAL2
TEST
VSS1
VCC
PE4
PE5
PE6
PE7
LFT
Power Supply/Ground
Power Supply/Ground
Power Supply/Ground
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Output
Output
Type
Input
Input
Pin#
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
PC7/ROW7
PC6/ROW6
PC5/ROW5
PC4/ROW4
PC3/ROW3
PC2/ROW2
PC1/ROW1
PC0/ROW0
RESETN
PA4/CL4
PA3/CL3
PA2/CL2
PA1/CL1
PA0/CL0
CEXT2
Signal
VSS2
DM3
DM2
DM0
PD0
PD1
DP3
DP2
DP0
Power Supply/Ground
Power Supply/Ground
AT43USB326
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Bi-directional
Type
3