| PartNumber | P87C58X2BN/112 | P87C58X2BBD,157 | P87C58X2BN,112 |
| Description | 8-bit Microcontrollers - MCU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 32K/256 OTP 12/6 CLK | Microcontrollers - MCU 8-bit Microcontrollers - MCU 80C51 32K/256 OTP |
| Manufacturer | NXP | NXP Semiconductors | NXP Semiconductors |
| Product Category | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers | IC Chips |
| Mounting Style | Through Hole | - | - |
| Package / Case | PDIP-40 | - | - |
| Core | 80C51 | - | - |
| Data Bus Width | 8 bit | - | - |
| Height | 4 mm (Max) | - | - |
| Length | 52.5 mm (Max) | - | - |
| Width | 14.1 mm (Max) | - | - |
| Brand | NXP Semiconductors | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Unit Weight | 0.210004 oz | - | - |
| Series | - | 87C | 87C |
| Packaging | - | Tray | Tube |
| Package Case | - | 44-LQFP | 40-DIP (0.600", 15.24mm) |
| Operating Temperature | - | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Supplier Device Package | - | 44-LQFP (10x10) | 40-DIP |
| Number of I O | - | 32 | 32 |
| Speed | - | 33MHz | 33MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | 8051 | 8051 |
| RAM Size | - | 256 x 8 | 256 x 8 |
| Program Memory Type | - | OTP | OTP |
| Peripherals | - | POR | POR |
| Connectivity | - | EBI/EMI, UART/USART | EBI/EMI, UART/USART |
| Voltage Supply Vcc Vdd | - | 2.7 V ~ 5.5 V | 2.7 V ~ 5.5 V |
| Core Size | - | 8-Bit | 8-Bit |
| Program Memory Size | - | 32KB (32K x 8) | 32KB (32K x 8) |
| Data Converters | - | - | - |
| Oscillator Type | - | Internal | Internal |