AT89LP51RC2 Atmel Corporation, AT89LP51RC2 Datasheet - Page 249

• Manufacturer Part Number: AT89LP51RC2
• Manufacturer: Atmel Corporation

Specifications of AT89LP51RC2

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 42
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Adc Channels: 7
• Adc Resolution (bits): 10
• Adc Speed (ksps): 153.8
• Sram (kbytes): 1.375
• Self Program Memory: API
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 4
• Isp: SPI/OCD/UART
• Watchdog: Yes

Table of Contents
3722A–MICRO–10/11
1
2
3
4
5
6
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 6
Memory Organization ............................................................................ 13
Special Function Registers ................................................................... 24
Enhanced CPU ....................................................................................... 31
System Clock ......................................................................................... 41
.................................................................................................................... 3
1.1
1.2
1.3
1.4
1.5
2.1
2.2
2.3
3.1
3.2
3.3
3.4
3.5
5.1
5.2
5.3
5.4
5.5
6.1
6.2
6.3
6.4
6.5
6.6
44-lead TQFP/LQFP ..........................................................................................2
44-lead PLCC ....................................................................................................2
44-pad VQFN/QFN/MLF ....................................................................................3
40-pin PDIP .......................................................................................................3
Pin Description ..................................................................................................4
Block Diagram ...................................................................................................8
System Configuration ........................................................................................8
Comparison to the Atmel AT89C51RB2/RC2/IC2 ...........................................10
Program Memory .............................................................................................13
Internal Data Memory ......................................................................................16
External Data Memory .....................................................................................17
Extra RAM (EDATA) ........................................................................................22
Extended Stack ...............................................................................................23
Fast Mode ........................................................................................................31
Compatibility Mode ..........................................................................................32
Multiply–Accumulate Unit (MAC) .....................................................................32
Enhanced Dual Data Pointers .........................................................................35
Instruction Set Extensions ...............................................................................39
Crystal Oscillator A ..........................................................................................42
External Clock Source A ..................................................................................43
Internal RC Oscillator ......................................................................................43
Crystal Oscillator B (AT89LP51IC2) ................................................................43
External Clock Source B (AT89LP51IC2) ........................................................44
Dual Oscillator Support (AT89LP51IC2) ..........................................................44
AT89LP51RB2/RC2/IC2 Preliminary
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