8-bit CMOS microcontroller featuring an 8051 CPU core, operating at a maximum clock frequency of 24MHz. This industrial-grade component offers 8KB of FLASH ROM and 256 bytes of RAM, with 32 programmable I/O lines. It supports an 8-bit external data bus and a 16-bit address bus, with supply voltage ranging from 4V to 6V. Packaged in a 44-terminal PQCC, it operates within an industrial temperature range of -40°C to 85°C.
Frequency20
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Technical Specifications
Atmel AT89C52-20JI technical specifications.
General
| Max Operating Temperature | 85 |
| Number of Terminals | 44 |
| Min Operating Temperature | -40 |
| Terminal Position | QUAD |
| JEDEC Package Code | S-PQCC-J44 |
| Width | 16.5862 |
| Length | 16.5862 |
| Pin Count | 44 |
| Temperature Grade | INDUSTRIAL |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4 |
| Supply Voltage-Max | 6 |
| Clock Frequency-Max | 24 |
| 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 | 20 |
| ROM Programmability | FLASH |
| ROM (words) | 8192 |
| RAM (bytes) | 256 |
| PWM Channels | NO |
| Has ADC | NO |
| DMA Channels | NO |
| DAC Channels | NO |
Compliance
| RoHS | No |
| HTS Code | 8542.31.00.01 |
| REACH | unknown |
| Military Spec | False |
Datasheet
Atmel AT89C52-20JI Datasheet
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