Hard Processor System Technical Reference Manual: Agilex™ 3 SoCs

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

5.1.1. EMAC Differences Among Altera® SoC Device Families

Table 114.  EMAC Differences

EMAC 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

Synopsys IP version

GMAC 3.70a

GMAC 3.72a

GMAC 3.73a

XGMAC 3.10a

Number of EMACs supported

2

3

3

3

Reduced Media Independent Interface (RMII) for 10/100

No

Yes

Yes

No

Reduced Gigabit Media Independent Interface (RGMII)

Yes

Yes

Yes

Yes

GMII adaptation to RMII Yes Yes Yes No
GMII adaptation to RGMII Yes Yes No Yes
GMII adaptation to SGMII Yes Yes Yes Yes
GMII adaptation to SGMII+ No No No Yes 15

Enable TSN support

No

No

No

Yes

Serial timestamp interface

Yes

Yes

Yes

Yes

Synchronized Multidrop Timestamp Gathering (SMTG) IP support

No

No

No

Yes

ECC protection for internal memory

Included

Enhanced

Enhanced

Enhanced

ECC errors can be directly injected from the ECC controller

N/A

Yes

Yes

Yes

FIFO size

RX: 4 KB

TX: 4 KB

RX: 16 KB

TX: 4 KB

RX: 16 KB

TX: 16 KB

RX: 16 KB

TX: 32 KB

HPS PHY interface I/O bank location

HPS I/O

HPS shared I/O bank

HPS dedicated I/O bank

HPS dedicated I/O bank

HPS I/O PHY RGMII-ID support

No

Facilitated with delay elements in I/O element

Enhanced support with delay elements in pin MUX16

Enhanced support with delay elements in pin MUX 16

15 Applicable for Agilex™ 5 only, up to 2.5 Gbps.
16 Delay elements are more accurate than in the Arria® 10 family. The skew range is larger and more consistent.