INTEGRATED CIRCUITS 83C749/87C749 80C51 8-bit mic.
NXP
P87C749 - 80C51 8-bit microcontroller family 2K/64 OTP/ROM/ 5 channel 8-bit A/D/ PWM/ low pin count
INTEGRATED CIRCUITS 83C749/87C749 80C51 8-bit microcontroller family 2K/64 OTP/ROM, 5 channel 8-bit A/D, PWM, low pin count Preliminary specification.