87c528 Microcontroller of PDF datasheet

87C528
Manufacturer : PHILIPS[Philips Semiconductors]
Description : 80C51 8-bit microcontrollers 16K/32K, watchdog timer

87C528
Manufacturer : NXP Semiconductors
Description : 80C51 8-bit microcontrollers 16K/32K, 512 OTP, I2C, watchdog timer

87C528
Manufacturer : Philips Semiconductors
Description : 80C51 8-bit microcontrollers(80C51 8????????

87C528
Manufacturer : Philips Semiconductors
Description : 80C51 8-bit microcontrollers 16K/32K, 512 OTP, I2C, watchdog timer