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Architecture Document
Version: E.e
Recommended
February 15, 2021
This manual documents the Microcontroller profile of version 7 of the ARM Architecture, the ARMv7-M architecture profile.
PDF - 5.7 MB
Armv7-M
Technical Reference Manual
Version: r0p2 - New
March 21, 2025
This Technical Reference Manual is written for system designers, system integrators, and programmers who are designing or programming a System-on-Chip (SoC) that uses the Arm Neoverse MMU-720AE System Memory Management Unit.
MMU-720AE directly. ... WAKEUP signaling on all interfaces, including DTI and APB interfaces. ... DTI interconnect components support hierarchical topologies and control the tradeoff between ...
Product documentation and design flow MMU-720AE documents are used during different parts of the design flow.
These options usually include or exclude logic that affects one or more of the ... Area ... Configuration parameters and methodology Design flow 109745pandochardwaresoftwarecontent models
Guide
Version: 2.3 - New
Last Tuesday
Guide to help with connecting to a new target with Arm Development Studio.
CoreSight Debug and Trace
Arm Development Studio
Tools Licensing
DAP cannot be powered up If the DAP is powered down, no components are found behind the DAP. If PCE is unable to power up the DAP, in the PCE Console view, a Failed to power up DAP ...
Debug Access Port (DAP) not accessible Some targets have a TAP Controller that must be programmed to access the DAP. ... Steps: Read
No identifying information for the devices behind the DAP PCE collects information about the devices behind the DAP to determine what the devices are. ... Steps:
Architecture Document
Version: 2025-03 - New
March 25, 2025
This document provides descriptions in HTML format for the A-profile system registers and memory-mapped registers.
Armv8-A
Armv9-A
Purpose ... opc1 CRn CRm opc2 0b1111 0b000 0b0111 0b0101 0b110 if !IsFeatureImplemented(FEAT_AA32EL1) then UNDEFINED; elsif PSTATE.EL == EL0 then
CRn CRm opc2 0b1111 0b000 0b0111 0b1001 ... if !(IsFeatureImplemented(FEAT_AA32EL1) && IsFeatureImplemented(FEAT_PAN2)) then UNDEFINED; elsif PSTATE.EL == EL0 then
Purpose ... opc1 CRn CRm opc2 0b1111 0b000 0b0111 0b0001 0b110 if !IsFeatureImplemented(FEAT_AA32EL1) then UNDEFINED; elsif PSTATE.EL == EL0 then
Architecture Document
Version: 2025-03 - New
March 25, 2025
This document provides descriptions in HTML format for the A-profile A64 Instruction Set Architecture.
Armv8-A
Armv9-A
For more information, see PSTATE.BTYPE. ... System (FEAT_BTI) 31 30 29 28 27 26 25 24 23 22 21 ... 3 2 ... 1 ... 0 ... x ... CRm op2
8 7 6 5 4 3 2 ... sf ... 1 ... 0 ... cc ... CBLT <Wm>, <Wt>, <label> ... Applies when (sf == 1) ... is equivalent to CBGT <Xt>, <Xm>, <label> Assembler Symbols
imms Rn Rd opc ... Applies when (sf == 0 && N == 0) AND <Wd|WSP>, <Wn>, #<imm> Encoding for the 64-bit variant Applies when (sf == 1) AND <Xd|SP>, <Xn>, #<imm>
Architecture Document
Version: 2025-03 - New
March 25, 2025
This document provides descriptions in HTML format for the A-profile A32 and T32 Instruction Set Architecture.
Armv8-A
Armv9-A
1 0 cond op0 op1 Decode fields Instruction details ... 00x Data-processing and miscellaneous instructions ... 010 ... != 1111 011 ... Media instructions 10x
Load/Store Multiple ... Branch (immediate) Exception Save/Restore The encodings in this section are decoded from Branch, branch with link, and block ... 31 30 29 28 27
2 ... != 1111 ... 0 ... Rd Ra Rm 1 M N ... Encoding for the SMLATB variant ... Applies when (M == 1 && N == 1) ... Decode for all variants of this encoding ... T1 15
Guide
Version: 1.0 - New
March 20, 2025
The purpose of this set of exercises is to let you try out your knowledge of A64 assembler. It can help consolidate the knowledge that you have gained from other guides in our series, and can help you become familiar with the Arm development tools.
Learn the architecture
Has it changed? ... The larger the data set, the bigger the reduction. ... Consider using the wider floating-point registers. Implement multi-byte copying 097257cLearn the architecture
terminal_0: Listening for serial connection on port 5000 terminal_1: Listening for serial ... Fast models simulation screen ... Note ... Run the completed image 097257cLearn the architecture
Get started_sc As with Accessing memory, a framework project is provided to get you started. Follow these steps: Import the 3_sys_regs project into the Arm Development Studio.
Technical Reference Manual
Version: r0p1 - New
Last Friday
This manual is for the Cortex -R82AE processor. It provides reference information and contains programming details for registers. It also describes the memory system, the interrupts, the debug features, and other key features of the processor.
Cortex-R82AE
0b0011 As 0b0010, with linking enabled. ... Unlinked VMID match. ... 0b1001 As 0b1000, with linking enabled. This value applies when breakpoint n is context-aware. 0b1010
Reset ... Reserved, Sign extended. ... If all bits in this field are not the same value as the most significant bit of the VA ... 7{x} [56:53] RESS[7:4] Extension to RESS[14:8].
If RXfull is set to 0, return an UNKNOWN value. After the read, RXfull is cleared to 0. 32{x} Access MRS <Xt>, DBGDTR_EL0 op0 op1 CRn CRm op2 0b10
Technical Reference Manual
Version: r3p1 - New
Last Friday
This manual is for the Cortex -R82 processor. It provides reference information and contains programming details for registers. It also describes the memory system, the interrupts, the debug features, and other key features of the processor.
Cortex-R82
[52:49] ... xxxx ... VA[48:2] ... Arm deprecates setting AArch64-DBGWVR<n>_EL1[2] == 1. 47{x} [1:0] ... Reserved RES0 Access MRS <Xt>, DBGWVR<m>_EL1 op0 op1 CRn
[6:4] ... xxx [3:0] CLQOS Quality of Service setting for the whole cluster. ... 0b1110 Access MRS <Xt>, IMP_CLUSTERQOSR_EL1 op0 op1 CRn CRm op2 0b11
Note ... Access MRS <Xt>, ICC_IGRPEN0_EL1 ... 0b1100 ... 0b110 MSR ICC_IGRPEN0_EL1, <Xt> op0 op1 CRn CRm op2 0b11 0b000 ... X[t, 64] = ICV_IGRPEN0_EL1; else
Guide
Version: 0100
January 23, 2025
Design Checklists help hardware designers check that their Arm-based designs are fit for purpose and follow Arm’s recommended design guidelines.
Cortex-A73
Cortex-A55
Cortex-A53
Cortex-A35
Cortex-A32
Cortex-R8
Cortex-R7
Cortex-R82
Cortex-R52+
Cortex-M33
Cortex-M23
Cortex-M7
Cortex-M4
Cortex-M3
Cortex-M0+
Cortex-M0
Cortex-M55
Cortex-M85
Cortex-M52
CoreLink CI-700
Neoverse CMN-700
CoreLink NIC-400
CoreLink GIC-600
CoreLink GIC-700
CoreLink MMU-600
CoreLink MMU-700
CoreSight SoC-600
For example: MRC p15, 0, <Rd>, <CRn>, <CRm>, <Opcode_2> SMALL CAPITALS ... CAUTION ... Warning ... If you do not follow these requirements your system will not work. DANGER ... Tip
Other information See the Arm website for other relevant information. Arm® Developer. Arm® Documentation. Technical Support. Arm® Glossary.
Cortex-R52+ Cortex-R82 Cortex-M processors Cortex-M0 ... Cortex-M3 Cortex-M4 Cortex-M7 Cortex-M23 Cortex-M33 Cortex-M52 Cortex-M55 Cortex-M85
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