Scalar

Expand your CM5’s capabilities with Scalar, a compact PCIe expansion board designed for high-performance embedded systems.

Supporting both M.2 Key E and M.2 Key M interfaces, Scalar enables seamless integration of wireless modules, NVMe storage, and other PCIe-based peripherals. It’s built for developers who need flexible, high-speed connectivity without increasing system footprint.

Optimized for CM5 platforms, Scalar delivers reliable PCIe performance with low latency, making it ideal for demanding applications such as edge computing, robotics, and industrial automation. Its streamlined form factor allows for easy integration into space-constrained designs while maintaining robust functionality.

General

• Compact PCIe expansion board for CM5 embedded systems
• Supports standard M.2 Key E and M.2 Key M modules
• Enables wireless module, NVMe storage, and PCIe peripheral integration
• Low-latency PCIe connectivity optimized for demanding applications
• Streamlined form factor for space-constrained designs

Compatibility

• Compatible with the Kelvin hosting Raspberry Pi CM5 modules.
• Supports M.2 Key E and M.2 Key M interfaces
• Works with wireless modules, NVMe SSDs, and other PCIe-based peripherals
• Ideal for edge computing, robotics, and industrial automation use cases

Mechanical

• Compact expansion board optimized for embedded installations
• Designed for easy integration into CM5-based system enclosures
• Streamlined profile for constrained environments

Electrical

General

• For each connector specification, the pinout orientation is determined by an arrow pointing to pin 1.

Specifications

• Input voltage: 5V [V]

• Top View

• Bottom View

Electrical pinout

PCIe

• Connector Definition

  Type	Part Number
  Board Connector	SFV16R-1STBE1HLF
  Cable Connector	FFC 16 PIN 1.0mm pitch

• Connector Pinout

  Pin	Name	Description	Voltage
  1	5V	Power Supply	5V
  2	5V	Power Supply	5V
  3	GND	Ground	GND
  4	PCIE_CLK_P	PCIe Clock Positive	1.2V
  5	PCIE_CLK_N	PCIe Clock Negative	1.2V
  6	GND	Ground	GND
  7	PCIE_RX_P	PCIe Receiver Positive	1.2V
  8	PCIE_RX_N	PCIe Receiver Negative	1.2V
  9	GND	Ground	GND
  10	PCIE_TX_P	PCIe Transmit Positive	1.2V
  11	PCIE_TX_N	PCIe Transmit Negative	1.2V
  12	GND	Ground	GND
  13	PCIE_PWR_EN	PCIe Power Enable	3.3V
  14	PCIE_DET_WAKE	PCIe Detect / Wake	3.3V
  15	PCIE_CLKREQ_N	PCIe Clock Request	3.3V
  16	PCIE_RST_B	PCIe Reset	3.3V