Z8FMC16100 Datasheet, PDF (263/402 Pages) Zilog, Inc. – Z8 Encore-R Motor Control Flash MCUs

Z8FMC16100 Series Flash MCU
Product Specification
241
On-Chip Debugger
The Z8FMC16100 Series Flash MCU device includes 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 break points
• Execution of eZ8 CPU instructions
Architecture
The On-Chip Debugger consists of four primary functional blocks: Transmitter, Receiver,
Autobaud Generator, and Debug Controller. Figure 41 illustrates the architecture of the
On-Chip Debugger.
System
Clock
Autobaud
Detector/Generator
eZ8 CPU
Control
DBG Pin
Transmitter
Receiver
Debug Controller
Figure 41. On-Chip Debugger Block Diagram
OCD Interface
The On-Chip Debugger (OCD) uses the DBG pin for communication with an external
host. This one-pin interface is a bidirectional open-drain interface that transmits and
PS024604-1005
PRELIMINARY
Architecture