| Part Number | P87LPC778FDH,529 | P87LPC779FDH,529 | 
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Core Processor | 8051 | 8051 | 
| Core Size | 8-Bit | 8-Bit | 
| Speed | 20MHz | 20MHz | 
| Connectivity | I²C, UART/USART | I²C, UART/USART | 
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, WDT | 
| Number of I/O | 18 | 18 | 
| Program Memory Size | 8KB (8K x 8) | 8KB (8K x 8) | 
| Program Memory Type | OTP | OTP | 
| EEPROM Size | - | - | 
| RAM Size | 128 x 8 | 128 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 
| Data Converters | A/D 4x8b | A/D 4x8b; D/A 2x8b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 20-TSSOP | 20-TSSOP |