miriac SBC-S32G-R3_User Manual
V 3.2
44/65
© MicroSys Electronics GmbH 2021
6.6
USB
USB is using the multi-function interface MAC2 of the S32G274A processor. This is
connected to USB-ULPI device USB3320 (J32).
J32 (USB3320)
MXM1
S32G274A
Pin
Name
Pin
Signal
Pin
Name
3
DATA[0]
↔
T23
↔
P23
RGMII2_TXD2/USB_D0
4
DATA[1]
↔
T22
↔
L21
RGMII2_TXD3/USB_D1
5
DATA[2]
↔
T21
↔
P21
RGMII2_RX_CLK/USB_D2
6
DATA[3]
↔
T20
↔
M23
RGMII2_RXDV/USB_D3
7
DATA[4]
↔
T18
↔
N20
RGMII2_RXD0/USB_D4
9
DATA[5]
↔
T17
↔
N21
RGMII2_RXD1/USB_D5
10
DATA[6]
↔
T16
↔
M21
RGMII2_RXD2/USB_D6
13
DATA[7]
↔
T15
↔
N23
RGMII2_RXD3/USB_D7
29
STP
←
T28
←
P22
RGMII2_TXD0/USB_STP
2
NXT
→
T25
→
N22
RGMII2_TXD1/USB_NXT
31
DIR
→
T28
→
L23
RGMII2_TX_EN/USB_DIR
1
CLKOUT
→
T29
→
N19
RGMII2_TX_CLK/USB_CLK
Table 6-31 ULPI interface to S32G274A
USB hub supports:
•
USB1 = external interface ST14-Top
•
USB2 = mini PCIe slot
•
USB3 = M.2 connector (key B)
•
USB4 = external interface ST14-Bottom
Figure 6-4 USB signal path