Table 16. J11-Dis_Flash (Off-Chip); Table 17. J12-5Vdc/3.3Vdc For An Embedded Modem - ZiLOG eZ80F92 User Manual

eZ80F92 Development Kit
User Manual
36
Shunt
Status Function
In All access to Flash on the eZ80F92
Flash Module is disabled.
Out Flash on the eZ80F92 Flash Module
is enabled.
Note: As shipped from the factory, external Flash memory is not installed.
Shunt
Status Function
1–2 5VDC is provided to power the embedded modem.
2–3 3.3VDC is provided to power the embedded modem. Embedded modem.
Operational Description
Jumper J11
The J11 jumper connection controls access to the Flash memory device.
When the shunt is placed, access to the Flash device is disabled/pre-
vented. See Table 16.
Table 16. J11—DIS_Flash (Off-Chip)*
Jumper J12
The J12 jumper connection controls the selection of a 5V or 3VDC
power supply to the embedded modem, if an embedded modem is used.
See Table 17.
Table 17. J12—5VDC/3.3VDC for an Embedded Modem
Affected Device
Flash on eZ80F92 Flash Module.
Flash on eZ80F92 Flash Module.
PRELIMINARY
Affected Device
Embedded modem.
UM013904-0203