| PartNumber | AT89LP3240-20MU | AT89LP3240-20AU | AT89LP3240-20JU |
| Description | 8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL | 8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL | 8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | VQFN-44 | TQFP-44 | PLCC-44 |
| Core | 8051 | 8051 | 8051 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz |
| Program Memory Size | 32 kB | 32 kB | 32 kB |
| Data RAM Size | 4.25 kB | 4.25 kB | 4.25 kB |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 38 I/O | - | 38 I/O |
| Operating Supply Voltage | 2.4 V to 3.6 V | 2.4 V to 3.6 V | 2.4 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Tray | Tube |
| Product | MCU | - | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | RAM | - | SRAM |
| Data ROM Size | 8 kB | 8kB | 8 kB |
| Data ROM Type | EEPROM | - | EEPROM |
| Interface Type | I2C, SPI, UART | I2C, SPI, UART | 2-Wire, SPI, UART |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 8 Channel | 8 | 8 Channel |
| Number of Timers/Counters | 3 x 16 bit | 3 Timer | 3 Timer |
| Processor Series | AT89x | - | AT89LP3240 |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 360 | 160 | 27 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 2.4 V | 2.4 V | 2.4 V |
| Watchdog Timers | Watchdog Timer | - | Watchdog Timer |
| Analog Supply Voltage | - | - | - |
| DAC Resolution | - | - | - |
| I/O Voltage | - | - | - |