Specifications

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12-2. ROM (MB834000CPF-G-4EP)
Pin No. Pin Name Input / Output Function
1 NC I Power supply
2~12,23,25~31, A0~A18 I Address input
13~15,17~21 D0~D7 O Data output
16 VSS I Ground
22 CE I Chip enable input from CPU
24 OE I Output enable input from CPU
32 VCC I Power supply
Pin No. Pin Name Input / Output Function
1~10,21,23~26, A0~A14 I Address input
11~13,15~19 IO1~IO8 I/O Data input/output
14 GND I Ground
20 CS I Chip select signal
22 OE I Output enable input from CPU
27 WE I Write enable input
28 VCC I Power supply
12-3. RAM (256SRAM/3V)