8-bit CISC microcontroller featuring an 80C51 core architecture. This ROMLess MCU operates at up to 16 MHz, offering 256 bytes of RAM and 32 programmable I/Os. It includes one UART interface and three timers. Packaged in a 44-pin PLCC (Plastic Leaded Chip Carrier) with J-Lead, this surface-mount device supports dual voltage operation at 3.3V/5V, with a maximum operating supply voltage of 5.5V. Operating temperature range is 0°C to 70°C.
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| Basic Package Type | Lead-Frame SMT |
| Package Family Name | LCC |
| Package/Case | PLCC |
| Package Description | Plastic Leaded Chip Carrier |
| Lead Shape | J-Lead |
| Pin Count | 44 |
| PCB | 44 |
| Package Length (mm) | 16.66(Max) |
| Package Width (mm) | 16.66(Max) |
| Package Height (mm) | 3.68(Min) |
| Seated Plane Height (mm) | 4.57(Max) |
| Pin Pitch (mm) | 1.27 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Jedec | MS-018AC |
| Family Name | P80 |
| Data Bus Width | 8bit |
| Instruction Set Architecture | CISC |
| Maximum Clock Rate | 16MHz |
| Maximum CPU Frequency | 16MHz |
| Device Core | 80C51 |
| Program Memory Type | ROMLess |
| RAM Size | 256B |
| Number of Programmable I/Os | 32 |
| Core Architecture | 8051 |
| Programmability | No |
| Number of Timers | 3 |
| Interface Type | UART |
| CAN | 0 |
| I2C | 0 |
| SPI | 0 |
| Ethernet | 0 |
| UART | 1 |
| USART | 0 |
| USB | 0 |
| I2S | 0 |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Temperature | 0°C |
| Max Operating Temperature | 70°C |
| Cage Code | H1R01 |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2002/95/EC |
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