REL1.3
Page 18 of 80
RZ/G1M/G1N Qseven SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
2.6.1
Gigabit Ethernet
The RZ/G1M/G1N Qseven SOM supports one 100/1000 Mbps Ethernet interface on Qseven Edge connector. The MAC
is integrated in the RZ/G1M/G1N CPU and connected to the external Gigabit Ethernet PHY on SOM. Since MAC and
PHY are supported on SOM itself, only Magnetics are required on the carrier board. RZ/G1M/G1N Qseven SOM also
supports Link and Activity indication LED control signals to Qseven Edge.
The RZ/G1M/G1N Qseven SOM supports
“
KSZ9031MNX
”
Ethernet PHY from Microchip. This PHY is interfaced with
RZ/G1M/G1N CPU EthernetAVB and works at 3.3V IO voltage level. Since this PHY
doesn’t
recommend to connect any
power source to magnetic center tap pins, CTREF voltage to Qseven Edge is not supported on SOM. It is recommended
that center tap pins of magnetics should be separated from one another and connected through separate 0.1uF
common mode capacitors to ground. This PHY has on-chip termination on differential pairs and so no need to add any
termination externally. The below table provides some of the compatible magnetics recommended by the PHY
Manufacturer.
Table 3: Compatible Magnetics
Part Description
Part Number
Manufacturer
Temperature
Gigabit Ethernet Discrete Transformer
TG1G-E001NZRL
HALO
-40°C to 85°C
Gigabit Ethernet Discrete Transformer
HX5008NL
Pulse
-40°C to 85°C
Gigabit Ethernet Discrete Transformer
000-7093-37R-LF1
Wurth
0°C to 70°C
RJ45 Magjack with two Green LED
JK0654219NL
Pulse
0°C to 70°C
RJ45 Magjack with two Green LED
0826-1G1T-23-F
Bel Fuse
0°C to 70°C
For more details, refer Qseven Edge connector pins 3 to 15 on
2.6.2
USB3.0 Host Interface
The RZ/G1M/G1N Qseven SOM supports one High Speed USB3.0 host interface on Qseven Edge connector.
RZ/G1M/G1N
CPU’s USB3.0 Host Controller is
used for USB3.0 interface which is compliant with the Universal Serial
Bus (USB) 3.0 Specifications. It uses AXI Interconnection, which is a System Interface that is based on the AMBA® AXI
Protocol v1.0 Specification. The USB3.0 Host Controller supports Super Speed (5 Gbps), High Speed (480 Mbps), Full
Speed (12 Mbps) and Low Speed (1.5 Mbps). Also, the USB3.0 Host Controller is compliant with Battery Charging
Specification Revision 1.2 and Supports polarity inversion of USB3.0 SS differential data pin pair.
For more details, refer Qseven Edge connector pins 75, 76, 77 & 78 on
Note: In RZ/G1M CPU, USB3.0 & SATA0 High speed transceivers are multiplexed in same pins and so either one interface
only can be used at a time. By default, USB3.0 is supported. Please contact iWave if SATA support is required.
Note: In RZ/G1N CPU, PCIe, USB3.0 & SATA High speed transceivers are multiplexed in same pins and so either one
interface only can be used at a time. By default USB3.0 is supported. Please contact iWave if PCIe or SATA support is
required in RZ/G1N CPU based Qseven SOM.
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