Casio SF-4300B Especificaciones descargar pdf (Pagina 14)

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Pin No. Signal I/O Function

1 ~ 5 C0 ~ 4 Out Common Signal for display

6 GND In GND /0[V]

7,8 BZ1,2 Out Buzzer terminal

9 VDD In Power supply/5.3[V]

10 CSRA1 Out Chip enable signal (Not used)

11 CSRA2 Out Chip enable signal for RAM

12 CSROM Out Chip enable signal (Not used)

13 WEB Out Write enable signal for RAM

14,15 RA15,16 Out Address bus (Not used)

16 ~ 30 A0 ~ 14 Out Address bus

31 ~ 38 IO0 ~ 7 I/O Data bus

39 ~ 54 KY0 ~ 15 I/O Key signal

55 SW In Battery switch (On: "L"/0[V] Off: "H"/6[V])

56 DEBUG - Test for manufacturer

57 ON Out Data communication enable

58 CRCKI In GND/0[V]

59 SOUTB Out Transmission data output

60 SIN In Transmission data input

61 VDD In Power supply/5.3[V]

62 TEST - Test for manufacturer

63 VTM - Not used

6. LSI, IC (Pin function)

6-1. CPU

No.1

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 26 27

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Casio SF-4300B Especificaciones Pagina 14