AT89C51IC2-RLRUL Atmel, AT89C51IC2-RLRUL Datasheet - Page 101

• Manufacturer Part Number: AT89C51IC2-RLRUL
• Description: IC 8051 MCU 32K FLASH 44-VQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51IC2-RLRUL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 34
• 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, TWI
• Maximum Clock Frequency: 60 MHz
• Number Of Programmable I/os: 34
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: AT89C51IC2-RLRULTR

4301D–8051–02/08
Table 77. SSADR (096h) - Synchronus Serial Address Register (read/write)
Table 78. SSADR Register - Reset value = FEh
Number
Bit
A7
7
7
6
5
4
3
2
1
0
Mnemonic Description
Bit
GC
A6
A7
A6
A5
A4
A3
A2
A1
6
Slave Address bit 7
Slave Address bit 6
Slave Address bit 5
Slave Address bit 4
Slave Address bit 3
Slave Address bit 2
Slave Address bit 1
General Call bit
Clear to disable the general call address recognition.
Set to enable the general call address recognition.
A5
5
A4
4
A3
3
A2
2
A1
1
A0
0
101