at89c5131 ATMEL Corporation, at89c5131 Datasheet - Page 5

• Manufacturer Part Number: at89c5131
• Description: 8-bit Flash Microcontroller With Full Speed Usb Device At89c5131
• Manufacturer: ATMEL Corporation

4136C–USB–04/05
Figure 2. AT89C5131 64-pin VQFP Pinout
P3.0/RxD
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
P2.3/A11
XTAL2
XTAL1
AVDD
AVSS
VDD
NC
NC
NC
NC
NC
2
10
11
14
1
3
12
13
15
16
8
4
5
6
7
9
17 18
64
63
19
62 61 60 59 58
20
21
22
23
VQFP64
24
57 56 55 54 53
25
26 27
28 29
52
30
51 50 49
31 32
41
45
43
42
48
47
46
44
40
39
38
35
36
33
37
34
NC
NC
P0.1/AD1
P0.2/AD2
P0.3/AD3
NC
NC
AT89C5131
RST
VSS
P3.6/WR/LED2
NC
P0.4/AD4
P0.5/AD5
P0.6/AD6
P3.7/RD/LED3
P0.7/AD7
5