Nexus Development Interface (NDI)
MPC5510 Microcontroller Family Reference Manual, Rev. 1
20-2
Freescale Semiconductor
Preliminary
20.2
Block Diagram
shows a functional block diagram of the NDI.
A simplified block diagram of the NDI illustrates the functionality and interdependence of major blocks
(see
) and how the individual Nexus blocks are combined to form the NDI.
Figure 20-1. NDI Functional Block Diagram
Power-on
TCK
JCOMP
EVTO
MSEO
MDO
reset
Message
queue
Program trace
Ownership trace
Watchpoint trace
CPU
snoop
Message
formatter
Arbiter
Divided system
clock
e200z1
trace
information
e200z0
trace
information
MCKO
Input
TAP
controller
Control registers
to trace blocks
TDO
TDI
TMS
EVTI
Reset
control