Table 14. J3-Dis_Em; Table 15. J7-Flashwe (Off-Chip) - ZiLOG eZ80F92 User Manual

Jumper J3
The J3 jumper connection controls Port A emulation mode and communi-
cation with the 7x5 LED. When the shunt is placed, Port A emulation is
disabled. See Table 14.
Shunt
Status Function
In Application Module
Hardware Disabled
Out Application Module
Hardware Enabled
Jumper J7
The J7 jumper connection controls Flash boot loader programming. When
the shunt is placed, overwriting of the Flash boot loader program is
enabled. See Table 15.
Shunt
Status Function
Out The Flash boot sector of the eZ80F92
Flash Module is write-protected.
In The Flash boot sector of the eZ80F92
Flash Module is enabled for writing or
overwriting.
Note: As shipped from the factory, external Flash memory is not installed.
UM013904-0203
Table 14. J3—DIS_EM
Affected Device
Communication with 7x5 LED and Port emulation
circuit is disabled.
Communication with 7x5 LED and Port A emulation
circuit is enabled.
Table 15. J7—FlashWE (Off-Chip)*
PRELIMINARY
eZ80F92 Development Kit
Affected Device
Flash boot sector of the eZ80F92 Flash
Module.
Flash boot sector of the eZ80F92 Flash
Module.
Operational Description
User Manual
35