AT89C51RC2-RLTUL Atmel, AT89C51RC2-RLTUL Datasheet - Page 63

• Manufacturer Part Number: AT89C51RC2-RLTUL
• Description: IC 8051 MCU FLASH 32K 44VQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51RC2-RLTUL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 1280 B
• Interface Type: UART, SPI
• Maximum Clock Frequency: 60 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: - 40 C
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCUAT89STK-11 - KIT STARTER FOR AT89C51RX2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Interrupt Sources and
Vector Addresses
4180E–8051–10/06
Table 50. Interrupt Sources and Vector Addresses
Number
0
1
2
3
4
5
6
7
8
9
Polling Priority
0
1
2
3
4
6
7
5
8
9
Interrupt Source
Keyboard
Timer 0
Timer 1
Timer 2
UART
Reset
INT0
INT1
PCA
SPI
CF + CCFn (n = 0-4)
AT89C51RB2/RC2
TF2+EXF2
Interrupt
Request
KBDIT
RI+TI
SPIIT
TF0
IE0
IE1
IF1
Address
Vector
0000h
0003h
000Bh
0013h
001Bh
0023h
002Bh
0033h
003Bh
004Bh
63