| Компонент | Описание | Производитель | |
| P87C51UBBB | 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz |
NXP Semiconductors |
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| SC87C51UBBB | 33 MHz, 8-bit microcontroller family, 4K/128 OTP/ROM/ROMless low voltage 5 V, low power, high speed |
NXP Semiconductors |