AT89LP51RC2 Atmel Corporation, AT89LP51RC2 Datasheet - Page 249
AT89LP51RC2
Manufacturer Part Number
AT89LP51RC2
Description
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
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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
i
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