at43usb355 ATMEL Corporation, at43usb355 Datasheet - Page 2

• Manufacturer Part Number: at43usb355
• Description: At43usb355 Full-speed Usb Microcontroller With Embedded Hub, Adc And Pwm
• Manufacturer: ATMEL Corporation

Pin Configuration
Figure 1. AT43USB355E 64-lead LQFP
Figure 2. AT43USB355M 64-lead LQFP
2
AT43USB355
CEXT3
CEXT3
XTAL1
XTAL2
XTAL1
XTAL2
VCC3
VCC3
VSS3
MOSI
MISO
VSS3
SCK
SSN
PD7
PD6
PD5
PD4
PD3
PD2
PD7
PD6
PD5
PD4
PD3
PD2
PF1
PF2
PF3
LFT
LFT
NC
49
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
64
AT43USB355M-AC
AT43USB355E-AC
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
TEST
RESETN
PA0
PA1
PA2
PA3
CEXT1
VCC1
VSS1
PA4
PA5
PA6
PA7
PB0
PB1
PB2
TEST
RESETN
PA0
PA1
PA2
PA3
CEXT1
VCC1
VSS1
PA4
PA5
PA6
PA7
PB0
PB1
PB2
2603G–USB–04/06