ARM DDI 0363E Copyright ©2009 ARM Limited. All rights reserved. xiii
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List of FiguresCortex-R4 and Cortex-R4F Technical Reference
Manual
Key to timing diagram conventions .............................................................................................. xix
Figure1 -1 Processor block diagram ............................................................................................................ 1-4
Figure 1-2 Processor Fetch and Decode pipeline stages .......................................................................... 1-17
Figure 1-3 Cortex-R4 Issue and Execution pipeline stages ....................................................................... 1-17
Figure 1-4 Cortex-R4F Issue and Execution pipeline stages ..................................................................... 1-18
Figure 2-1 Byte-invariant big-endian (BE-8) format ...................................................................................... 2-6
Figure2 -2 Little-endian format ..................................................................................................................... 2-6
Figure2-3 Register organization .................................................................................................................. 2-9
Figure2 -4 Program status register ............................................................................................................. 2-10
Figure2-5 Interrupt entry sequence ........................................................................................................... 2-21
Figure3-1 Power-on reset ............................................................................................................................ 3-7
Figure3-2 AXI interface clocking ................................................................................................................. 3-9
Figure4 -1 System control and configuration registers ................................................................................. 4-4
Figure 4-2 MPU control and configuration registers ..................................................................................... 4-5
Figure 4-3 Cache control and configuration registers .................................................................................. 4-6
Figure4 -4 TCM control and configuration registers ..................................................................................... 4-6
Figure4-5 System performance monitor registers ....................................................................................... 4-7
Figure4 -6 System validation registers ......................................................................................................... 4-7
Figure 4-7 Main ID Register format ............................................................................................................ 4-14
Figure4 -8 Cache Type Register format ..................................................................................................... 4-15
Figure4 -9 TCM Type Register format ........................................................................................................ 4-16
Figure 4-10 MPU Type Register format ....................................................................................................... 4-17
Figure 4-11 Multiprocessor ID Register format ............................................................................................ 4-18
Figure 4-12 Processor Feature Register 0 format ........................................................................................ 4-18
Figure 4-13 Processor Feature Register 1 format ........................................................................................ 4-19
Figure4 -14 Debug Feature Register 0 format ............................................................................................. 4-20
Figure 4-15 Memory Model Feature Register 0 format ................................................................................ 4-22