EZ80F91MCU ZILOG [Zilog, Inc.], EZ80F91MCU Datasheet - Page 330

• Manufacturer Part Number: EZ80F91MCU
• Description: eZ80Acclaim-TM Flash Microcontrollers
• Manufacturer: ZILOG [Zilog, Inc.]

On-Chip Instrumentation
PS019209-0504
Introduction to On-Chip Instrumentation
On-Chip Instrumentation
debugging 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:
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There are four sections to the OCI:
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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, please contact:
First Silicon Solutions, Inc.
5440 SW Westgate Drive, Suite 240
Portland, OR 97221
Phone: [phone]
Fax: [phone]
www.fs2.com
1. On-Chip Instrumentation and OCI are trademarks of First Silicon Solutions,
Inc.
Control via a 4-pin JTAG port that conforms to IEEE Standard 1149.1 (Test
Access Port and Boundary Scan Architecture)
Complex break point trigger functions
Break point enhancements, such as the ability to:
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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
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P R E L I M I N A R Y
(OCI™) for the eZ80
®
CPU core enables powerful
Product Specification
On-Chip Instrumentation
eZ80F91 MCU
311