ocr: C64 CIRCUIT THEORY RESET +5V +5V +5V 9 I lc39 R34 I" > R36 IK 47K - 12 RT2V9 LouT IOAF C24+1 T pist MAR2 U20 1014 L7406 DtBe 1 25V 556 R5DIM +5V O-M BTRIG 17 d"NC CIO5 Jluf - Reset Logic Circuits. U20 is a 556 IC timer configured as a one shot multivibrator. The output puise width is determined by the size of R34 and C24. Pulse width = 1.1 X R34 X C24 t .5 seconds. The output on pin 9 is"high" active. The output of U8 is "low" active. Reset the initializes address all the of the processor first logic instruction and of causes the the processor to load the program counter register with operatin ...
