AT89LP3240 Atmel Corporation, AT89LP3240 Datasheet - Page 195

• Manufacturer Part Number: AT89LP3240
• Manufacturer: Atmel Corporation

Specifications of AT89LP3240

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 38
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 153.8
• Sram (kbytes): 4.25
• Eeprom (bytes): 8192
• Self Program Memory: IAP
• Operating Voltage (vcc): 2.4 to 3.6
• Timers: 3
• Isp: SPI/OCD
• Watchdog: Yes

Table of Contents
3706C–MICRO–2/11
1
2
3
4
5
6
7
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 6
Memory Organization ............................................................................ 11
Special Function Registers ................................................................... 22
Enhanced CPU ....................................................................................... 23
System Clock ......................................................................................... 31
Reset ....................................................................................................... 33
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
6.1
6.2
6.3
6.4
6.5
7.1
7.2
7.3
40P6: 40-lead PDIP ...........................................................................................2
44A: 44-lead TQFP (Top View) .........................................................................2
44J: 44-lead PLCC ............................................................................................3
44M1: 44-pad VQFN/MLF .................................................................................3
Pin Description ..................................................................................................4
Block Diagram ...................................................................................................7
System Configuration ........................................................................................8
Comparison to Standard 8051 ...........................................................................9
Program Memory .............................................................................................11
Internal Data Memory ......................................................................................12
External Data Memory .....................................................................................13
Extended Stack ...............................................................................................20
In-Application Programming (IAP) ...................................................................21
Multiply–Accumulate Unit (MAC) .....................................................................24
Enhanced Dual Data Pointers .........................................................................25
Instruction Set Extensions ...............................................................................30
Crystal Oscillator .............................................................................................31
External Clock Source .....................................................................................32
Internal RC Oscillator ......................................................................................32
System Clock Out ............................................................................................32
System Clock Divider ......................................................................................32
Power-on Reset ...............................................................................................33
Brown-out Reset ..............................................................................................35
External Reset .................................................................................................35
AT89LP3240/6440
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