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Content 4/4

### DESCRIPTION


Commodore MMC2IEC


### TECHNICAL DETAILS / COMPONENTS


IC1 = Atmega644 (ATMEGA 644-20 PU)

C3 = 100 nF (X7R-2,5 100N)

R1, R2, R3 = ohm 3K3 (1 / 4W 3.3K)

R4, R5, R6 = ohm 1K8 (1 / 4W 1 , 8K)

alimentazione:

IC2 = 3.0 a reg olatore 3.3V (LP 2950 CZ3,0)

C4 = 2U2 a 4U7 tantalio / ELKO (TANTAL 2,2 / 16)

opzionale:

R7, R8 = 5 60 ohm (1 / 4W 560)

LED1 = verde (LED 3MM GN)

LED2 = Rosso (LED 3MM RT)

opzionale:

C1, C2 = 22 pF a 33pF

Q1 = 8 MHz quarzo

Optional:

2 pulsanti per DiskChange1 e DiskC hange 2

2 interruttore per LW8 / 9 e LW10 / 11 (si può usare anche un ponticello)


Nov 09,2018
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