Mattel Funtronics Red Light Green Light COP410L bonded directly to PCB die labeled COP410L/B NHZ 3 buttons 14 LEDs 1 switch: 1 OFF 2 Piezo COP410 pinout 1 GND ground 2 CKO N/C 3 CKI 91pf cap to ground, 51K resistor to Vcc 4 /Reset middle button 5 L7 N/C 6 L6 N/C 7 L5 N/C 8 L4 N/C 9 Vcc Vcc 10 L3 LEDs 8, 13, 14 11 L2 LEDs 5, 6, 7 12 L1 LEDs 9, 10, 11, 12 13 L0 LEDs 1, 2, 3, 4 14 SI N/C 15 SO N/C 16 SK N/C 17 G0 Left Button 18 G1 Right Button 19 G2 difficulty switch 2 20 G3 piezo 21 D3 LEDs 4, 8, 12 22 D2 LEDs 3, 7, 11 23 D1 LEDs 2, 6, 10, 14 24 D0 LEDs 1, 5, 9, 13 LEDs and buttons L1 L7 L9 L2 L10 L3 L8 L11 L4 L12 L5 L13 L6 L14 LED matrix D0 D1 D2 D3 L0 1 2 3 4 L1 9 10 11 12 L2 5 6 7 - L3 13 14 - 8