Zilog EZ80190 Bedienungsanleitung PDF herunterladen (Seite 40)

eZ80190 Development Kit

User Manual

eZ80Acclaim! Development Platform UM014108-0810

Jumper J3

The J3 jumper connection controls the mode of the general-purpose port

and communication with the 7 x 5 LED. When the shunt is placed, the

general-purpose port is disabled. See Table 13.

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 14.

Table 13. J3—DIS_EM

Shunt

Status Function Affected Device

In Application Module

Hardware Disabled

Communication with 7 x 5 LED and Port emulation

circuit is disabled.

Out Application Module

Hardware Enabled

Communication with 7 x 5 LED and the general-

purpose port circuit is enabled.

Table 14. J7—FlashWE

Shunt

Status Function Affected Device

Out The Flash boot sector of the eZ80190

Module is write-protected.

Flash boot sector of the eZ80190

Module.

In The Flash boot sector of the eZ80190

Module is enabled for writing or

overwriting.

Flash boot sector of the eZ80190

Module.

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 86 87

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