
eZ80F91 Modular Development Kit
User Manual
UM017010-0112 Peripheral and I/O External Interface
14
19 A13 Bidirectional n/a Yes
20 A9 Bidirectional n/a Yes
21 A15 Bidirectional n/a Yes
22 A14 Bidirectional n/a Yes
23 A18 Bidirectional n/a Yes
24 A16 Bidirectional n/a Yes
25 A19 Bidirectional n/a Yes
27 A2 Bidirectional n/a Yes
28 A1 Bidirectional n/a Yes
29 A11 Bidirectional n/a Yes
30 A12 Bidirectional n/a Yes
31 A4 Bidirectional n/a Yes
32 A20 Bidirectional n/a Yes
33 A5 Bidirectional n/a Yes
34 A17 Bidirectional n/a Yes
36 DIS_FLASH Input Low No
37 A21 Bidirectional n/a Yes
39 A22 Bidirectional n/a Yes
40 A23 Bidirectional n/a Yes
41 CS0 Output Low Yes
42 CS1 Output Low Yes
43 CS2 Output 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.
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