INTEGRATED CIRCUITS P89C51RA2xx/RB2xx/RC2xx/RD2xx.
Philips
P89C51RD2 - 8-bit Flash microcontroller
INTEGRATED CIRCUITS P89C51RA2xx/RB2xx/RC2xx/RD2xx 80C51 8-bit Flash microcontroller family 8KB/16KB/32KB/64KB ISP/IAP Flash with 512B/512B/512B/1KB R.
