AT43USB325E-AC Atmel, AT43USB325E-AC Datasheet - Page 2

• 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

1.1
Figure 1-1.
Figure 1-2.
2
Pin Configuration
AT43USB325
64-lead LQFP AT43USB325E-AC
64-lead LQFP AT43USB325M-AC
CEXT1
CEXT1
VCC1
VCC1
VSS1
VSS1
DM0
DM2
DM3
DM4
DM5
DM0
DM2
DM3
DM4
DM5
PD3
PD1
PD0
DP0
DP2
DP3
DP4
DP5
PD3
PD1
PD0
DP0
DP2
DP3
DP4
DP5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
PE0
PE1
PE2
PE3
LFT
XTAL2
XTAL1
VSS2
CEXT2
VCC2
PE4
PE5
PE6
PE7
NC
PF1
PE0
PE1
PE2
PE3
LFT
XTAL2
XTAL1
VSS2
CEXT2
VCC2
PE4
PE5
PE6
PE7
SSN
SCK
3355C–USB–4/05