AT89C5131-PLTIL ATMEL Corporation, AT89C5131-PLTIL Datasheet - Page 6

• Manufacturer Part Number: AT89C5131-PLTIL
• Description: 8-bit Flash Microcontroller with Full Speed USB Device
• Manufacturer: ATMEL Corporation

6
AT89C5131
Figure 3. AT89C5131 48-pin MLF Pinout
Figure 4. AT89C5131 28-pin SO Pinout
P1.5/CEX2/KIN5/MISO
P1.7/CEX4/KIN7/MOSI
P1.6/CEX3/KIN6/SCK
P4.1/SDA
P2.5/A13
P2.7/A15
P2.4/A12
P2.6/A14
P3.0/RxD
P2.3/A11
XTAL2
XTAL1
AVDD
AVSS
VDD
P4.1/SDA
P3.0/RxD
P4.0/SCL
10
12
1
2
11
9
4
6
7
8
3
5
XTAL2
XTAL1
PLLF
VREF
AVSS
VDD
48
13 14
D+
D-
47
4
10
12
1
2
3
5
6
7
8
11
13
14
9
15
46 45 44 43 42
16
SO28
17
MLF 48
18
19
41 40 39 38 37
20
16
28
24
22
21
18
17
15
27
26
25
23
20
19
21
22 23
P1.4/CEX1/KIN4
P1.3/CEX0/KIN3
P1.2/ECI/KIN2
P1.1/T2EX/KIN1/SS
P1.0/T2/KIN0
RST
P3.1/TxD
P3.7/RD/LED3
P3.2/INT0
P3.3/INT1/LED0
VSS
P3.6/WR/LED2
P3.4/T0
P3.5/T1/LED1
24
27
36
35
34
33
32
31
30
29
28
26
25
P1.0/T2/KIN0
P0.1/AD1
P0.2/AD2
RST
P0.3/AD3
P0.4/AD4
P3.7/RD/LED3
P0.5/AD5
P0.6/AD6
P3.6/WR/LED2
VSS
P0.7/AD7
4136B–USB–09/03