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:
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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
System Clock
Auto-Baud
Detector/Generator
Transmitter
Receiver
Debug Controller
DBG Pin
Figure 23.On-Chip Debugger Block Diagram
PS022815-0206
On-Chip Debugger
ZILOG [ ZILOG, INC. ]
