Zilog EZ80F916 Manual de usuario descargar pdf (Pagina 22)

eZ80F91 Modular Development Kit

User Manual

UM017010-0112 Peripheral and I/O External Interface

Table 4. eZ80Acclaim! MDS Adapter Board I/O

External Connector JP2 Identification

Pin Symbol Signal Direction Active Level eZ80F91 Signal

1–8 PA7 to PA0 Bidirectional n/a Yes

11–18 PB7 to PB0 Bidirectional n/a Yes

20–27 PC7 to PC0 Bidirectional n/a Yes

28, 29 PD7, PD6 Bidirectional n/a Yes

31–36 PD5 to PD0 Bidirectional n/a Yes

37 TDO Output n/a Yes

38 TDI I/O n/a Yes

40 TRIGOUT Output n/a Yes

41 TCK Input n/a Yes

42 TMS Input n/a Yes

43 RTC_V

Input n/a Yes

44 EZ80CLK Output n/a Yes

45 IICSCL I/O n/a Yes

47 IICSDA I/O n/a Yes

49 FLASHWE Input Low No

51 CS3 Output Low Yes

52 DIS_IRDA Input Low No

53 RST I/O Low Yes

54 WAIT Input Low Yes

57 HALT_SLP Output Low Yes

58 NMI Input Low Yes

60 unused n/a n/a n/a

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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Zilog EZ80F916 Manual de usuario Pagina 22