Designing Raspberry CM4 IO Board

mw5603

mw5603

need to design an IO board for the raspberry CM4. The board should support a Poe interface 2 cameras, a single DI interface. The RJ45 needs to be mounter vertical. Needs one PWM fan interface. +3Volts, Gnd, GPIO12 adn GPI13 need to be brougth out to a right angle 4 pi connector . Position TBD.
72 days

flux

0:48

How can I help with your CM4 baseboard project today? Options:
  • Review the CM4 connector pinout and map key nets (USB, PCIe, HDMI, CSI/DSI, GPIO).
  • Plan and add the power subsystem (+5 V input, 3.3 V/1.8 V rails, sequencing).
  • Add connectors (USB-C, Ethernet PHY/MagJack, HDMI, MIPI FFC) and link nets.
  • Check ERC/DRC and fix common issues (grounds, pull-ups, decoupling).
  • Source parts for the DF40 mezzanine, ESD/TVS, regulators, and passives.
Tell me your goal and constraints (interfaces you need, power source, form factor).
Scan schematic power nets
Find suitable 3.3V LDO
Check decoupling guidance
Review USB-C power path
BOM cost/availability
72 days
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nEXTRST
Ethernet_nLED2
Ethernet_Pair1_P
Reserved
nRPIBOOT
Reserved
GPIO13
SD_PWR_ON
GPIO8
DSI1_D3_N
CM4_1.8V (Output)
CAM1_C_P
GND
+5V (Input)
DSI0_D0_P
GND
HDMI1_TX0_N
HDMI0_TX0_P
HDMI1_TX2_P
GPIO26
DSI1_D2_N
GND
GND
PCIe_TX_N
+5V (Input)
GND
GND
GND
GPIO12
SD_DAT2
GPIO_VREF
GND
Ethernet_Pair0_P
GLOBAL_EN
+5V (Input)
DSI0_C_N
GND
DSI1_D1_N
USB_P
GPIO9
HDMI0_TX1_N
PCIe_nRST
GND
Ethernet_Pair1_N
DSI0_D1_N
GND
CAM0_C_N
HDMI0_TX0_N
USB_N
PCIe_CLK_N
CAM0_D0_P
GND
GND
GPIO25
GND
ID_SC
CAM0_D0_N
HDMI1_TX1_P
CM4_3.3V (Output)
GND
HDMI1_TX1_N
Reserved
GND
CAM0_D1_P
PCIe_CLK_nREQ
GPIO23
GND
HDMI1_SCL
Ethernet_SYNC_OUT
GND
Ethernet_nLED1
SD_DAT5
HDMI0_SCL
GND
GND
GND
CAM1_D0_N
GPIO14
CAM1_D2_N
HDMI1_TX2_N
SD_DAT0
DSI1_D1_P
SD_CLK
GPIO10
DSI1_D0_P
HDMI0_CLK_N
+5V (Input)
Ethernet_Pair0_N
GND
GND
DSI1_D2_P
DSI0_D1_P
GND
GPIO5
Ethernet_Pair2_N
SD_DAT2
CAM1_D1_N
CAM1_C_N
GPIO6
CM4_3.3V (Output)
HDMI1_CLK_P
GPIO18
GPIO19
HDMI0_TX2_N
GPIO21
DSI1_C_P
VDAC_COMP
CAM1_D3_P
CAM1_D3_N
GND
GND
GPIO4
CM4_1.8V (Output)
SCL0
+5V (Input)
GND
GND
Ethernet_Pair2_P
GND
PI_LED_nPWR
GND
HDMI0_CLK_P
GND
SD_DAT4
GND
HDMI1_CLK_N
GND
GND
USB_OTG_ID
GPIO16
GPIO17
GPIO27
Camera_GPIO
GND
GPIO11
CAM1_D0_P
GND
GPIO7
EEPROM_nWP
Ethernet_Pair3_N
Ethernet_nLED3
ID_SD
SD_DAT6
HDMI0_HOTPLUG
HDMI0_TX2_P
HDMI0_CEC
PCIe_RX_P
GND
GND
Ethernet_SYNC_IN
GND
GND
GND
GND
SD_CMD
GND
CAM1_D2_P
GND
DSI1_C_N
RUN_PG
SD_VDD_OVERRIDE
HDMI1_HOTPLUG
Ethernet_Pair3_P
CAM1_D1_P
CAM0_D1_N
GND
AnalogIP0
HDMI1_TX2_N
PCIe_CLK_P
CAM0_C_P
GPIO22
GPIO24
WL_nDisable
GND
DSI1_D3_P
AnalogIP1
Pi_nLED_Activity
+5V (Input)
GND
SD_DAT1
GPIO15
DSI0_C_P
HDMI1_SDA
DSI1_D0_N
GND
GPIO3
GPIO20
GND
HDMI0_SDA
PCIe_TX_P
GPIO2
DSI0_D0_N
SD_DAT3
HDMI1_TX0_P
GND
GND
HDMI0_TX1_P
BT_nDisable
PCIe_RX_N
SDA0
J2
J1
  • Ground
    Ground
    A common return path for electric current. Commonly known as ground.
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    Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
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  • Power Net Portal
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    Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
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  • Generic Resistor
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  • Generic Capacitor
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    A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF, 10pF, 100pF, 1000pF, 0.01uF, 0.1uF, 1.0uF, 10uF, 100uF, 1000uF, 10000uF 1.1pF, 11pF, 110pF, 1100pF 1.2pF, 12pF, 120pF, 1200pF 1.3pF, 13pF, 130pF, 1300pF 1.5pF, 15pF, 150pF, 1500pF, 0.015uF, 0.15uF, 1.5uF, 15uF, 150uF, 1500uF 1.6pF, 16pF, 160pF, 1600pF 1.8pF, 18pF, 180pF, 1800pF 2.0pF, 20pF, 200pF, 2000pF 2.2pF, 22pF, 220pF, 2200pF, 0.022uF, 0.22uF, 2.2uF, 22uF, 220uF, 2200uF 2.4pF, 24pF, 240pF, 2400pF 2.7pF, 27pF, 270pF, 2700pF 3.0pF, 30pF, 300pF, 3000pF 3.3pF, 33pF, 330pF, 3300pF, 0.033uF, 0.33uF, 3.3uF, 33uF, 330uF, 3300uF 3.6pF, 36pF, 360pF, 3600pF 3.9pF, 39pF, 390pF, 3900pF 4.3pF, 43pF, 430pF, 4300pF 4.7pF, 47pF, 470pF, 4700pF, 0.047uF, 0.47uF, 4.7uF, 47uF, 470uF, 4700uF 5.1pF, 51pF, 510pF, 5100pF 5.6pF, 56pF, 560pF, 5600pF 6.2pF, 62pF, 620pF, 6200pF 6.8pF, 68pF, 680pF, 6800pF, 0.068uF, 0.68uF, 6.8uF, 68uF, 680uF, 6800uF 7.5pF, 75pF, 750pF, 7500pF 8.2pF, 82pF, 820pF, 8200pF 9.1pF, 91pF, 910pF, 9100pF #generics #CommonPartsLibrary
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  • Generic Inductor
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  • Terminal
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Raspberry PI CM4 Module

Welcome to your new project. Imagine what you can build here.

Properties

SUBLAYOUT

Pricing & Availability

Distributor

Qty 1

Digi-Key

$1.75–$3.54

LCSC

$1.63

Mouser

$3.80

Verical

$1.96–$3.36

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