| Part Numbers | Manufacturer Name | Datasheet | Core Processor | Core Size | Speed | Connectivity | RAM Size | Number of I/O | Program Memory Size | Program Memory Type | EEPROM Size | Voltage - Supply (Vcc/Vdd) | Data Converters | Oscillator Type | Operating Temperature | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AT89LP51ED2-20AU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | 4K x 8 | 2.25K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-TQFP | |
| AT89LP51ED2-20MU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | 4K x 8 | 2.25K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-VFQFN Exposed Pad | |
| AT89LP51ID2-20MU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | 4K x 8 | 2.25K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-VFQFN Exposed Pad | |
| AT89LP51ID2-20AU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | 4K x 8 | 2.25K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-TQFP | |
| AT89LP51ID2-20AAU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | 4K x 8 | 2.25K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-LQFP | |
| AT89LP51ED2-20JU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | 4K x 8 | 2.25K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-LCC, 44-PLCC | |
| AT89LP51ID2-20JU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | 4K x 8 | 2.25K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-LCC, 44-PLCC | |
| AT89LP51ED2-20AAU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | 4K x 8 | 2.25K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-LQFP | |
| S9S12G128F0MLF | FREESCALE SEMICONDUCTOR INC | 12V1 | 16-Bit | 25MHz | CAN, IrDA, LIN, SCI, SPI | 40 | 128KB (128K x 8) | FLASH | 4K x 8 | 8K x 8 | 3.13 V ~ 5.5 V | A/D 12x10b | Internal | -40°C ~ 125°C | 48-LQFP | |
| MK22DX128VLH5 | FREESCALE SEMICONDUCTOR INC | - | 32-Bit | 50MHz | I²C, IrDA, SPI, UART/USART, USB, USB OTG | 40 | 128KB (128K x 8) | FLASH | 4K x 8 | 32K x 8 | 1.71 V ~ 3.6 V | A/D 18x16b, D/A 1x12b | Internal | -40°C ~ 105°C | 64-LQFP |
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