ez80f91 ZiLOG Semiconductor, ez80f91 Datasheet - Page 269

• Manufacturer Part Number: ez80f91
• Description: Ez80 Acclaimplus!? Connectivity Assp Ez80f91 Assp
• Manufacturer: ZiLOG Semiconductor

On-Chip Instrumentation
PS027001-0707
Introduction to On-Chip Instrumentation
On-Chip Instrumentation
features. The OCI provides run control, memory and register visibility, complex break
points, and trace history features.
The OCI employs all of the functions of the Zilog Debug Interface (ZDI) as described in
the ZDI section. It also adds the following debug features:
•
•
•
•
•
There are four sections to the OCI:
•
•
•
•
This document contains information to activate the OCI for JTAG boundary scan register
operations. For additional information regarding OCI features, or to order OCI debug
tools, contact:
First Silicon Solutions, Inc.
www.fs2.com
1. On-Chip Instrumentation and OCI are trademarks of First Silicon Solutions, Inc.
Control via a 4-pin Joint Test Action Group (JTAG) port that conforms to IEEE Stan-
dard 1149.1 (Test Access Port and Boundary Scan Architecture).
Complex break point trigger functions.
Break point enhancements, such as the ability to:
–
–
–
–
Trace history buffer.
Software break point instruction.
JTAG interface
ZDI debug control
Trace buffer memory
Complex triggers
Define two break point addresses that form a range.
Break on masked data values.
Start or stop trace.
Assert a trigger output signal.
1
(OCI™) for the eZ80 CPU core enables powerful debugging
Product Specification
On-Chip Instrumentation
eZ80F91 ASSP
261