Zilog EZ80F91 - Manual (Page 24)

eZ80F91 Development Kit
User Manual
UM014220-0508 eZ80 Development Kit
19
Internal On-Chip Flash Memory
To program internal on-chip Flash memory, the JP3 shunt must be
installed.
Table 5 lists the setting for the JP3 jumper that is resident on the
eZ80F91 Module.
Application Module Interface
An Application Module Interface is provided to allow you to add an appli-
cation-specific module to the eZ80Acclaim!
®
Development Kit. Zilog’s
47 HALT_SLP Input Low Yes
48 NMI Output Low Yes
49 V
DD
50 Reserved
Notes
1. For the sake of simplicity in describing the interface, Power and Ground nets are omitted from
this table. The entire interface is represented in the eZ80F91 Module Schematics, see Figure 23
through Figure 25 .
2. The Power and Ground nets are connected directly to the eZ80F91 device.
Table 5. Jumper, eZ80F91 Module
Symbol Jumper Name
Shunt
Status
Function Affected Device
JP3 Write Enable
(WR_EN) In On-chip Flash is enabled for
writing. On-chip Flash
Out On-chip Flash memory is write-
protected. On-chip Flash
Table 4. eZ80Acclaim!
®
Development Kit I/O Connector Identification—JP2
1
Pin # Symbol Signal Direction Active Level eZ80F91 Signal
2