Freescale Semiconductor e200z3 Reference Manual page 370

Nexus3/Nexus2+ Module
Instruction
Snoop
Data
Snoop
DMA
(R/W)
Note: The nex_aux_req[1:0] , npc_aux_grant , and nex_aux_busy signals are used for inter-module
communication in a multiple Nexus environment. They are not pins on the SoC.
10-4
Message
Queues
Memory
Control
Registers
Control/Status
Registers
DMA Registers
Nexus1 Block (within core CPU)
Figure 10-1. Nexus3 Functional Block Diagram
e200z3 Power Architecture Core Reference Manual, Rev. 2
nex_mdo[n:0]
ext_multi_nex_sel
nex_aux_req[1:0]
2
I/O
Logic
OnCE Debug
Breakpoint/
Watchpoint
Control
Nexus3 Block
Freescale Semiconductor
N+1
npc_aux_grant
nex_aux_busy
nex_mseo0_b
nex_mseo1_b
nex_mcko
nex_evto_b
nex_evti_b
nex_rdy_b
j_tdi
j_tdo
j_tms
j_tclk
j_trst_b