Crystal Oscillator; Power And Communication Interfaces - ZiLOG Z8 Encore! 8K/4K MCU User Manual

Evaluation kit
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munication between the Z8 Encore! 8K/4K and IrDA transceivers. Infra-
red communication provides secure, reliable, low-cost, point-to-point
communication between PCs, PDAs, cell phones, printers and other infra-
red enabled devices.

Crystal Oscillator

The evaluation board ships with an 18.432MHz Crystal Oscillator (Y1).
If you want to change the change the Crystal Oscillator you are required
to change the Clock Frequency in for ZDSII. The frequency settings can
be found at
Frequency
quencies.

Power and Communication Interfaces

Table 1 provides jumper information concerning the shunt status, func-
tions, devices and defaults affected of jumpers JP3 and JP4.
Table 1. Jumpers JP3 and JP4
Jumper
JP3**
JP3
JP4
JP4
Note: * These jumpers must not be OUT at the same time
Note: ** If the module is plugged onto an eZ80 Evaluation platform or eZ80
Z8 Encore! 8K/4K Evaluation Board
Project > Settings > Debugger > ZDB: Configure ZDB Driver: Clock
. See the Z8Encore! Product Speciification for supported fre-
Status
OUT*
IN
OUT*
IN
demonstration board the local RS-232 can be disabled by connecting header JP2
pin 50 to the corresponding GND on the mating connector
Preliminary
Z8 Encore!
Evaluation Kit User Manual
Device
Affected
Status
RS-232
Enabled
interface
RS-232
Disabled
interface
IrDA interface Enabled
IrDA interface Disabled
TM
8K/4K MCU
Default
X
X
UM015003-0603
9

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