AT89C5131A-M Atmel Corporation, AT89C5131A-M Datasheet - Page 4

• Manufacturer Part Number: AT89C5131A-M
• Manufacturer: Atmel Corporation

Specifications of AT89C5131A-M

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 48 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Eeprom (bytes): 1024
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART/USB
• Watchdog: Yes

3. Pinout Description
3.1
4
Pinout
AT89C5130A/31A-M
Figure 3-1.
AT89C5130A/31A-M 52-pin PLCC Pinout
P4.1/SDA
P2.5/A13
P2.7/A15
P2.4/A12
P2.6/A14
P3.0/RxD
P2.3/A11
XTAL1
XTAL2
AVDD
UCAP
AVSS
VDD
13
14
15
16
17
18
8
9
10
11
12
19
20
21 22
7
6
23
5 4 3 2 1
24
25
PLCC52
26
27
28
52 51 50 49 48
29
30 31
32 33
47
46
45
43
39
38
37
36
35
34
44
42
41
40
P0.1/AD1
P0.2/AD2
P0.3/AD3
P0.4/AD4
P3.7/RD/LED3
P0.5/AD5
P0.6/AD6
P3.6/WR/LED2
NC
RST
VSS
P0.7/AD7
NC
4337K–USB–04/08