Z8F021ASH020SC datasheet(186/276 Pages) ZILOG

部件名	Z8F021ASH020SC

功能描述	Z8 Encore XP-R 4K Series High-Performance 8-Bit Microcontrollers

PDF	276 Pages

Scroll/Zoom	100%

制造商	ZILOG [Zilog, Inc.]

网页	http://www.zilog.com

标志

186 / 276 page

PS022815-0206

On-Chip Debugger

Z8 Encore! XP® 4K Series

Product Specification

167

On-Chip Debugger

Overview

The Z8 Encore! XP® devices contain an integrated On-Chip Debugger (OCD) that pro-

vides advanced debugging features including:

• Reading and writing of the register file

• Reading and writing of program and data memory

• Setting of breakpoints and watchpoints

• Executing eZ8 CPU instructions

• Debug pin sharing with general-purpose input-output function to maximize pins available

to the user (8-pin product only)

Architecture

The on-chip debugger consists of four primary functional blocks: transmitter, receiver,

auto-baud detector/generator, and debug controller. Figure 23 illustrates the architecture of

the on-chip debugger

Figure 23.On-Chip Debugger Block Diagram

Auto-Baud

System Clock

Transmitter

Receiver

DBG Pin

Debug Controller

Detector/Generator

Z8F021ASH020SC 数据表(PDF) 186 Page - Zilog, Inc.