Industrial-grade 8-bit microcontroller featuring an 8051 CPU core operating at a maximum clock frequency of 40MHz. This CMOS device offers 16KB of FLASH ROM and 1280 bytes of RAM, with 32 programmable I/O lines. It supports an 8-bit external data bus and a 16-bit address bus, and includes PWM channels. Packaged in a 44-terminal PQFP (S-PQFP-G44) with a temperature range of -40°C to 85°C, it operates from a nominal 5V supply (4.5V-5.5V).
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Atmel T89C51RB2-RLTIM 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 Voltage-Nom | 5 |
| Supply Voltage-Min | 4.5 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 40 |
| 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 | 40 |
| ROM Programmability | FLASH |
| ROM (words) | 16384 |
| RAM (bytes) | 1280 |
| PWM Channels | YES |
| Has ADC | NO |
| DMA Channels | NO |
| DAC Channels | NO |
| RoHS | No |
| Eccn Code | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| REACH | unknown |
| Military Spec | False |
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