| Manufacturer | NXP USA Inc. |
| Series | 87C |
| Packaging | Tray |
| Part Status | Obsolete |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | EBI/EMI, I²C, UART/USART |
| Peripherals | POR, PWM, WDT |
| Number of I/O | 40 |
| Program Memory Size | 64KB (64K x 8) |
| Program Memory Type | OTP |
| EEPROM Size | - |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 4.5 V ~ 5.5 V |
| Data Converters | A/D 8x10b |
| Oscillator Type | External |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 80-BQFP |
| Supplier Device Package | 80-PQFP (14x20) |
| Base Part Number | P87C557 |
IC MCU 8BIT 64KB OTP 80QFP - 8051 87C Microcontroller IC 8-Bit 16MHz 64KB (64K x 8) OTP 80-PQFP (14x20)
Integrated circuits P87C557E8EFB/01,55
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