psd503b1 Microcontroller of PDF datasheet

PSD503B1
Manufacturer : WSI??aferscale Integration Inc.?
Description : Field Programmable Microcontroller Peripherals(??????????6K??RAM,40??????I/O,???PLD??1?????

PSD503B1
Manufacturer :
Description : PSD5XX/ZPSD5XX FAMILY FIELD-PROGRAMMABLE MICROCONTROLLER PERIPHERALS

PSD503B1
Manufacturer : ST-Microelectronics
Description : PSD5XX/ZPSD5XX FAMILY FIELD-PROGRAMMABLE MICROCONTROLLER PERIPHERALS