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10-7. Operation program ROM pin discriptions (µPD23C4001EBGW-304)

10-8. RAM pin discriptions (M5M51008AFP-10LL)

Pin No. Name In/Out Status Status Description

of OFF of ON

2~12,23, A0~A18 In L Pulse Address bus line (A0~A14, RA15~RA18)

25~31

13~15, 17~21 O0~O7 Out L Pulse Data bus line (IO0~IO7)

16 GND In L L GND terminal

22 CEB In H Pulse Chip enable signal from Gate array

24 OEB In L Pulse Output enable signal from Gate array

1, 32 N.C., VCC In L H VDD terminal

Pin No. Name In/Out Status Status Description

of OFF of ON

2~12,23, A0~A16 In L Pulse Address bus line (A0~A14, RA15, RA16)

25~28, 31

13~15, 17~21 O0~O7 Out L Pulse Data bus line (IO0~IO7)

16 GND In L L GND terminal

22 CS1 In H Pulse Chip enable signal from Gate array

24 OEB In L Pulse Output enable signal from Gate array

1, 32 N.C., VCC In L H VDD terminal

29 WEB In H Pulse Write enable signal from CPU

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 37 38

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Casio SF-R10 Specifiche Pagina 25