ez80190 ZiLOG Semiconductor, ez80190 Datasheet - Page 160

• Manufacturer Part Number: ez80190
• Description: Ez80190 Microprocessor
• Manufacturer: ZiLOG Semiconductor

ZiLOG Debug Interface
PS006613-0306
ZDI Overview
The ZiLOG Debug Interface (ZDI) provides a built-in debugging interface to the
eZ80
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The above features are built into the silicon. Control is provided via a two-wire
interface that is connected to the ZPAK II emulator.
setup using a a target board, ZPAK II, and the host PC running ZiLOG Developer
Studio. Refer to the
Developer
The ZDI block for the eZ80190 device provides increased functionality from previ-
ous versions. ZDI allows reading and writing of most of the internal registers with-
out disturbing the state of the machine. New features allow READs and writes to
Studio II
ZiLOG
Examining and modifying internal registers
Examining and modifying memory
Starting and stopping the user program
Setting program and data break points
Single-stepping the user program
Executing user-supplied instructions
Debugging the final product with the inclusion of one small connector
Downloading code into SRAM
C source-level debugging using ZiLOG Developer Studio II (ZDS II)
®
CPU. ZDI provides basic in-circuit emulation features such as:
Figure 26. Typical ZDI Debug Setup
ZiLOG web site
Emulator
ZPAK II
PRELIMINARY
for more information on ZPAK II and ZDS II.
C
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t
User’s Target Board
eZ80190 Product Specification
Figure 26
eZ80
illustrates a typical
®
ZiLOG Debug Interface
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