8-Bit Microcontroller, featuring an 8051 CPU core operating at a maximum clock frequency of 40MHz. This CMOS device offers 32KB of FLASH ROM and 256 bytes of RAM, with 34 programmable I/O lines. It supports an 8-bit external data bus and a 16-bit address bus, and includes PWM channels and an ADC. Packaged in a 44-terminal VQFP (S-PQFP-G44) with an industrial temperature grade (-40°C to 85°C), it operates from a 3V to 5.5V supply.
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Atmel AT89C51AC2-RLTUM technical specifications.
| Max Operating Temperature | 85 |
| Number of Terminals | 44 |
| Min Operating Temperature | -40 |
| Terminal Position | QUAD |
| JEDEC Package Code | S-PQFP-G44 |
| Width | 10 |
| Length | 10 |
| Pin Count | 44 |
| Temperature Grade | INDUSTRIAL |
| Supply Current-Max | 31 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 3 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Number of I/O Lines | 34 |
| External Data Bus Width | 8 |
| Address Bus Width | 16 |
| Bit Size | 8 |
| Speed | 40 |
| ROM Programmability | FLASH |
| ROM (words) | 32768 |
| RAM (bytes) | 256 |
| PWM Channels | YES |
| Has ADC | YES |
| DMA Channels | NO |
| DAC Channels | NO |
| RoHS | Yes |
| Eccn Code | 3A991.A.2 |
| Lead Free | Yes |
| HTS Code | 8542.31.00.01 |
| REACH | Compliant |
| Military Spec | False |
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