8-bit microcontroller featuring an 8051 CPU core and 12MHz clock speed. This CMOS device offers 20480 words of FLASH program memory and 256 bytes of RAM. It includes 32 programmable I/O lines, an 8-bit external data bus, and a 16-bit address bus. Packaged in a 44-terminal PQFP (10x10mm, 0.80mm pitch), it operates within a commercial temperature range of 0°C to 70°C and a supply voltage of 2.7V to 6V.
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Atmel AT89LV55-12AC technical specifications.
| Max Operating Temperature | 70 |
| Number of Terminals | 44 |
| Min Operating Temperature | 0 |
| Terminal Position | QUAD |
| JEDEC Package Code | S-PQFP-G44 |
| Width | 10 |
| Length | 10 |
| Pin Count | 44 |
| Temperature Grade | COMMERCIAL |
| Supply Current-Max | 25 |
| Supply Voltage-Nom | 3 |
| Supply Voltage-Min | 2.7 |
| Supply Voltage-Max | 6 |
| Clock Frequency-Max | 12 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Number of I/O Lines | 32 |
| External Data Bus Width | 8 |
| Address Bus Width | 16 |
| Bit Size | 8 |
| Speed | 12 |
| ROM Programmability | FLASH |
| ROM (words) | 20480 |
| RAM (bytes) | 256 |
| PWM Channels | NO |
| Has ADC | NO |
| DMA Channels | NO |
| DAC Channels | NO |
| RoHS | No |
| HTS Code | 8542.31.00.01 |
| REACH | unknown |
| Military Spec | False |
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