Atmel AT43USB324, Manual

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4
AT43USB324
1941A–02/01
Pin Assignment
Type: I = Input
O = Output
B = Bi-directional
U = USB IO
V = Power Supply, Ground
48-lead LQFP Pin Assignment
Pin # Signal Type Pin # Signal Type
1 TEST I 25 PA4/CL4 B
2 VSS V 26 PA3/CL3 B
3 CEXT V 27 PA2/CL2 B
4 VCC V 28 PA1/CL1 B
5 PD4 B 29 PA0/CL0 B
6 PD5 B 30 PC7/RW7 B
7 PD6 B 31 PC6/RW6 B
8 PD7 B 32 PC5/RW5 B
9 XTAL1 I 33 PC4/RW4 B
10 XTAL2 O 34 PC3/RW3 B
11 LFT O 35 PC2/RW2 B
12 PE1/CL17 B 36 PC1/RW1 B
13 PE0/CL16 B 37 PC0/RW0 B
14 PB7/CL15 B 38 PD0 B
15 PB6/CL14 B 39 PD1 B
16 PB5/CL13 B 40 PD2 B
17 PB4/CL12 B 41 PD3 B
18 PB3/CL11 B 42 DP3 U
19 PB2/CL10 B 43 DM3 U
20 PB1/CL9 B 44 DP2 U
21 PB0/CL8 B 45 DM2 U
22 PA7/CL7 B 46 DP0 U
23 PA6/CL6 B 47 DM0 U
24 PA5/CL5 B 48 RESET I