Z80189 Просмотр технического описания (PDF) - Zilog

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производитель

Z80189

GENERAL-PURPOSE EMBEDDED CONTROLLERS

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TIMING DIAGRAMS (Continued)

PRELIMINARY

Z80189/Z8L189

GENERAL-PURPOSE EMBEDDED CONTROLLERS

CSI/O Clock

Transmit Data

(Internal Clock)

Transmit Data

(External Clock)

Receive Data

(Internal Clock)

Receive Data

(External Clock)

56

57

11 tcyc

58

59

11.5 tcyc

16.5 tcyc

56

57

11 tcyc

58

59

11.5 tcyc

16.5 tcyc

60

61

60

61

Figure 14. CSI/O Receive/Transmit Timing

71

/MREQ

/RAMCS

/ROMCS

Figure 15. /ROMCS and /RAMCS Timing

DS971890301

13

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