Z8F6421PM020SC Datasheet, PDF (213/299 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers Z8 Encore-R 64K Series

Z8 Encore!^® 64K Series
Product Specification
193
On-Chip Debugger
Overview
The 64K Series products contain an integrated On-Chip Debugger (OCD) that provides
advanced debugging features including:
• Reading and writing of the Register File
• Reading and writing of Program and Data Memory
• Setting of Breakpoints
• Execution of eZ8 CPU instructions
Architecture
The On-Chip Debugger consists of four primary functional blocks: transmitter, receiver,
auto-baud generator, and debug controller. Figure 36 illustrates the architecture of the On-
Chip Debugger
System
Clock
Auto-Baud
Detector/Generator
eZ8 CPU
Control
Transmitter
DBG
Pin
Receiver
Figure 36. On-Chip Debugger Block Diagram
PS019915-1005
Debug Controller
On-Chip Debugger