AT89C5131A-L Atmel Corporation, AT89C5131A-L Datasheet - Page 84

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

Specifications of AT89C5131A-L

• 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): 3.0 to 3.6
• Timers: 4
• Isp: UART/USB
• Watchdog: Yes

Interrupt Sources and
Vector Addresses
84
AT89C5131A-L
Table 67. Vector Table
Number
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
Priority
Polling
10
11
12
13
14
15
0
1
2
3
4
6
7
5
8
9
Interrupt
Keyboard
Source
Timer 0
Timer 1
Timer 2
UART
Reset
INT0
INT1
PCA
USB
TWI
SPI
CF + CCFn (n = 0-4)
UEPINT + USBINT
TF2+EXF2
Interrupt
Request
KBDIT
TWIIT
RI+TI
SPIIT
TF0
IE0
IE1
IF1
4338F–USB–08/07
Address
Vector
000Bh
001Bh
002Bh
003Bh
004Bh
005Bh
006Bh
0000h
0003h
0013h
0023h
0033h
0043h
0053h
0063h
0073h