8-bit CISC microcontroller featuring an 8052 core, operating at up to 40 MHz. This MCU offers 32KB of Flash program memory and 512 Bytes of RAM, with 32 programmable I/Os and three timers. It supports 2.5V, 3.3V, and 5V operation, with a maximum supply voltage of 5.5V. The component is housed in a 48-pin LQFP package for surface mounting.
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Nuvoton W78E058DLG technical specifications.
| Basic Package Type | Lead-Frame SMT |
| Package Family Name | QFP |
| Package/Case | LQFP |
| Package Description | Low Profile Quad Flat Package |
| Lead Shape | Gull-wing |
| Pin Count | 48 |
| PCB | 48 |
| Package Length (mm) | 7 |
| Package Width (mm) | 7 |
| Package Height (mm) | 1.4 |
| Seated Plane Height (mm) | 1.6(Max) |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Jedec | MS-026BBC |
| Family Name | W78 |
| Data Bus Width | 8bit |
| Instruction Set Architecture | CISC |
| Maximum Clock Rate | 40MHz |
| Maximum CPU Frequency | 40MHz |
| Device Core | 8052 |
| Program Memory Type | Flash |
| Program Memory Size | 32KB |
| RAM Size | 512B |
| Number of Programmable I/Os | 32 |
| Core Architecture | 8051 |
| Programmability | Yes |
| 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 | -40°C |
| Max Operating Temperature | 85°C |
| Cage Code | Nuvoton Technology USA cage code: 56JL7 |
| EU RoHS | Yes |
| HTS Code | 8542390001 |
| Schedule B | 8542390000 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU |
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