Zilog Z8F0411 - Manual (Page 26)

MDS General-Purpose Board Development Kit
User Manual
UM016905-1207 MDS-GP Board Features
21
Table 3 describes miscellaneous jumper settings on the MDS-GP board.
Table 3. Miscellaneous Jumper Settings
Jumper Symbol Name
Factory
Default
Function
J6 FL_WE Flash Write
Enable OFF Install this jumper to enable writing
of the external flash memory boot
block on eZ80Acclaim!
® processor
modules.
J5 RT-1 RS485 Term-
Res Enable OFF Install this jumper to enable the
RS-485 termination resistor.
J8 DACK_EN Mot bus mode
Enable OFF Install this jumper if running mot
bus mode when using the
eZ80Acclaim!
® processor
modules.
J9 Disable
Flash eZ80F91
External Flash OFF Install this jumper to disable the
external flash memory on
eZ80Acclaim!
® processor
modules.
J27 PWR_Sel Power Select 2, 3 This jumper selects the power
supply used for the relays and
high drive outputs available on
J20. Jumper pins 1, 2 for 5 V DC,
pins 2, 3 for 12 V DC.