Hard Processor System Technical Reference Manual: Agilex™ 3 SoCs

ID 848530
Date 6/23/2025
Public
Document Table of Contents

3.1. MPU Differences Among Altera® SoC Device Families

Table 44.  Micro Processor Unit (MPU) Differences
MPU Feature

Cyclone® V SoC,

Arria® V SoC

Arria® 10 SoC

Stratix® 10 SoC,

Agilex™ 7

F-Series/I-Series/

M-Series SoC

Agilex™ 5

E-Series/D-Series SoC

Agilex™ 3

C-Series SoC

CPU Single/Dual Cortex* -A9 Dual Cortex* -A9 Quad Cortex* -A53 Dual Cortex* -A76 and dual Cortex* -A55 with DSU Dual Cortex* -A55 with DSU
Maximum frequency (MHZ)

Cyclone® V SoC: 925

Arria® V SoC: 1050

1500 Stratix® 10 SoC: 1350

Agilex™ 7 F-Series/I-Series/M-Series: 1500

Cortex* -A76: 1800

Cortex* -A55: 1500

Cortex* -A55: 800
Core revision r3p0 r4p1 r0p4

Cortex* -A76: r4p1

Cortex* -A55: r2p0

DSU: r4p0

Cortex* -A55: r2p0

DSU: r4p0

L1 instruction cache 32 KB per core 32 KB per core 32 KB per core

Cortex* -A76: 64 KB per core

Cortex* -A55: 32 KB per core

32 KB per core
L1 data cache 32 KB per core 32 KB per core 32 KB per core

Cortex* -A76: 64 KB per core

Cortex* -A55: 32 KB per core

32 KB per core
L2 cache 512 KB shared 512 KB shared 1 MB shared

Cortex* -A76: 256 KB per core

Cortex* -A55: 128 KB per core

128 KB per core
L3 cache No No No 2 MB shared 1 MB shared
System level cache coherency Implemented by accelerator coherency port (ACP) Implemented by ACP Implemented by cache coherency unit (CCU) Implemented by cache coherency unit (CCU) Implemented by cache coherency unit (CCU)
L1 data cache error checking Parity 9 Parity9 ECC 10 ECC 11 ECC11
L1 instruction cache error checking Parity9 Parity9 Parity9 Parity9 Parity9
L2 cache error checking ECC11 ECC11 ECC11 ECC11 ECC11
Translation lookaside buffer (TLB) error checking Parity9 Parity9 Parity9 Parity9 Parity9
9 Single-bit error detection (SED).
10 Data: single-bit error correction, double-bit error detection (SECDED). Tag and dirty: parity (SED).
11 Single-bit error correction, double-bit error detection (SECDED).