Zilog EZ80F916 Manuel d'utilisateur télécharger pdf (Page 20)

eZ80F91 Modular Development Kit

User Manual

UM017010-0112 Peripheral and I/O External Interface

44-49 D[0:5] Bidirectional n/a Yes

51 D7 Bidirectional n/a Yes

52 D6 Bidirectional n/a Yes

53 MREQ Output Low Yes

54 IOREQ Output Low Yes

56 RD Output Low Yes

57 WR Output Low Yes

58 INSTRD Output Low Yes

59 BUSACK Output Low Yes

60 BUSREQ Input Low Yes

Table 3. eZ80Acclaim! MDS Adapter Board Peripheral Bus

External Connector JP1 Identification

(Continued)

Pin Symbol Signal Direction Active Level eZ80F91 Signal

Notes:

1. To simplify interface description, Power and Ground nets are omitted from this table. The entire interface is

represented in the eZ80Acclaim! MDS Adapter Board schematics; see Figures 8 and 9.

2. The Power and Ground nets are connected directly to the eZ80F91 device.

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