Zilog EZ80F916 - Manual (Page 20)

eZ80F91 Modular Development Kit
User Manual
UM017010-0112 Peripheral and I/O External Interface
15
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
1
(Continued)
Pin Symbol Signal Direction Active Level eZ80F91 Signal
2
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.