GigaDevice Semiconductor GD32E507Z-EVAL - Ethernet; Usb; Extension; Figure 4-14. Schematic Diagram of Ethernet

User Guide
GD32E507Z-EVAL
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4.14. Ethernet
Figure 4-14. Schematic diagram of Ethernet
TX_CLK
1
TX_EN
2
TXD_0
3
TXD_1
4
TXD_2
5
TXD_3/SNI_MODE
6
PWR_DOWN/INT
7
NC
8
NC
9
NC
10
NC
11
NC
12
RD-
13
RD+
14
AGND
15
TD-
16
TD+
17
PFBIN1
18
AGND
19
NC
20
NC
21
AVDD33
22
PFBOUT
23
RBIAS
24
25MHz_OUT
25
LED_ACT/COL/AN_EN
26
LED_SPEED/AN1
27
LED_LINK/AN0
28
RESET_N
29
MDIO
30
MDC
31
IOVDD33
32
X2
33
X1
34
IOGND
35
DGND
36
PFBIN2
37
RX_CLK
38
RX_DV/MII_MODE
39
CRS/CRS_DV/LED_CFG
40
RX_ER/MDIX_EN
41
COL/PHYAD0
42
RXD_0/PHYAD1
43
RXD_1/PHYAD2
44
RXD_2/PHYAD3
45
RXD_3/PHYAD4
46
IOGND
47
IOVDD33
48
U7
DP83848CVV
+3V3
R27
2.2KΩ
RMII MODE
R28
1.5KΩ
+3V3
NRST
R34
2.2KΩ
+3V3
R35
4.87K
GND
E3
16V/10uF,AVX
C40
50V/0.1uF
C41
50V/0.1uF
C42
50V/0.1uF
GND
GND
+3V3
R32
2.2KΩ
R33
2.2KΩ
+3V3
R29
2.2KΩ
R30
2.2KΩ
R31
2.2KΩ
+3V3
TD+
1
4
TD-
2
RD+
3
5
RD-
6
L+
9
L-
10
R+
12
R-
11
GND1
13
GND2
14
JP12
HR911105A
GND
+3V3
R21
49.9Ω
R22
49.9Ω
R23
49.9Ω
R24
49.9Ω
C35
50V/0.1uF
C34 50V/0.1uF
GND GND
R25
240Ω
R26
240Ω
C36
50V/0.1uF
C37
50V/0.1uF
C38
50V/0.1uF
+3V3
GND
PC4
PC5
PA1
RMII_TX_EN
RMII_TXD0
RMII_TXD1
RMII_RXD0
RMII_RXD1
RMII_CRS_DV
RMII_MDC
RMII_MDIO
RMII_INT
RMII_REF_CLK
RMII_TX_EN
RMII_TXD0
RMII_TXD1
RMII_RXD0
RMII_RXD1
PC1
RMII_MDC
RMII_MDIO
RMII_INT
RMII_REF_CLK
RMII_CRS_DV
RP2
33Ω
RP3
33Ω
PA2
PB11
1 2
4 3Y3
XO75 -50MHz
GND
+3V3
C39
50V/0.1uF
I2S1_WSI2S1_CKI2S1_SD
PB15 PB13 PB12
RMII_INT RMII_TXD1 RMII_TXD0
1
2
3
JP10
HEADER 3
1
2
3
JP14
HEADER 3
1
2
3
JP15
HEADER 3
PB12
PB13
PB15
1
2
3
JP16
HEADER 3
PA7
PA7
RMII_CRS_DV
SPI0_MOSI
4.15. USB
Figure 4-15. Schematic diagram of USB
GND
R37
10KΩ
R39
470R
R42 22R
R43 22R
PD13
E4 16V/10uF,AVX
GND
1
2
3
Q2
S8550
R46
1MΩ
C50
50V/4700pF
+5V
USB_VBUS
USB_DM
USB_DP
VBUS
1
DM
2
DP
3
ID
4
GND
5
Shield
6
USB_MiniAB receptacle
CN3
OTG
PA9
PA11
PA12
USART0_TX
1
2
3
JP13
HEADER 3
PA9
USB_VBUS
Short JP13(2,3)for USB function
Short JP13(1,2)for USART0 function
USB
4.16. Extension
Figure 4-16. Schematic diagram of Extension