MC68HC05K3 microcontroller (MCU) is a member of the M68HC05 Family of microprocessors. 
This device has 128 bits (16 bytes )f personality electronically 
erasable programmable ROM (PEEPROM). 
This device is available in the 16-pin PDIP,  16-pin SOIC package.

Use Erase command before Write.

05K3  Orange5 SE connector
3  DAT - P1
1  RST - P0
4  IRQ - VPPR
14 GND - GND
13 VCC - VCC
16 OSC - P12