AN036602-1013

2

Porting RZK/ZTP Applications to the eZ80L925148MODG Module

Application Note

The source code file associated with this application note, AN0366-SC01, is available

free for download from the Zilog website. This source code has been tested with ZDSII –

eZ80Acclaim! version 5.2.1 and ZTP version 2.4.1. Subsequent releases of ZDS II may

require you to modify the code supplied with this application note.

Differences Between the Modules

The hardware differences between the older eZ80L925048MOD Module and the new

eZ80L925148MODG Module are summarized in Table 1. Click the links in this table to

learn more about how these changes affect ZTP applications.

The hardware changes listed in Table 1 require modifications to your ZTP project before

the application will function with the eZ80L925148MODG Module. Although this docu-

ment describes the changes required specifically when using the eZ80Acclaim! Develop-

ment Platform, similar project file changes may also be required when using hardware

platforms with the eZ80L925148MODG Module.

To learn more about the eZ80L925148MODG Module, refer to the eZ80L92 Module

Product Specification (PS0318). For a demonstration program that includes the changes

required to support the eZ80L925148MODG Module, refer to the

ZTPDemo_eZ80L925148MODG.zdsproj

installation package. The remaining sections of this document describe the project and/or

application changes required to support these hardware changes.

CS0 Configuration

1MB of external Flash memory is mapped to the CS0 on the eZ80L925048MOD Module.

Applications that use this older module typically configured the CS0 as follows for RAM

build configurations:

CS0 Lower Bound

0x100000

CS0 Upper Bound

0x1FFFFF

Table 1. Hardware Differences Between eZ80L925x48MOD Modules

Component/

Feature

99C0857 Hardware

Implementation

99C1400 Hardware

Implementation

Affected Project

Settings

Application

Modification

External Flash

on CS0

1MB Micron

MT28F008B3

8MB Spansion

S29GL064N

eZ80Acclaim!

Development

Platform Jumper

Changes

CS0 Configuration

New ZTGT Files and

Address Spaces

eZ80L925148MODG

Preprocessor

Definition

Optional ZFS

Configuration

IrDA

Yes

No

N/A

Remove IRDA code

Note: