Freescale Semiconductor MCF5480 - Manual (Page 107)

Features
MCF548x Reference Manual, Rev. 3
Freescale Semiconductor 3-3
Figure 3-1. ColdFire Enhanced Pipeline
3.2.1.1 Instruction Fetch Pipeline (IFP)
Because the fetch and execution pipelines are decoupled by a ten-instruction FIFO buffer, the IFP can
prefetch instructions before the OEP needs them, minimizing stalls.
Internal
IAG
IC1
IC2
IED
IB
DS
OAG
OC1
OC2
EX
DA
Branch
Cache
Branch
Accel.
PSTDDATA DSO DSCLK DSI
DDATA Debug
Instruction Fetch
Pipeline
Operand Execution
Pipeline
Instruction
Memory
Data
Misalignment
(Operand)
Memory
Module
PSTCLK
secDS
Bus