• PCIe x8 Edge Finger

Downstream PCIe Interface (CON1A, CON1B)

• SFF-8644 1x2 Connector
  • 100ohm, 72pin
• Each SFF-8644 Connector 4-lane PCI Express
  • PCIe Gen 1 (2.5 GT/s)
  • PCIe Gen 2 (5.0 GT/s)
  • PCIe Gen 3 (8.0 GT/s)
• SFF-8644 1x2 Fixed-Side Connectors Pinout

		9	8	7	6	5	4	3	2	1
CON1B	D	GND	PETn6	PETp6	GND	PETn5	PETp5	GND	MGTPWR	PWR
	C	GND	PETn7	PETp7	GND	PETn4	PETp4	GND	CMISDA_1	CMISCL_1
	B	GND	PERn6	PERp6	GND	PERn5	PERp5	GND	CBLPRSNT#_1	PWR
	A	GND	PERn7	PERp7	GND	PERn4	PERp4	GND	CINT#_1	CADDR_1
CON1A	D	GND	PETn2	PETp2	GND	PETn1	PETp1	GND	MGTPWR	PWR
	C	GND	PETn3	PETp3	GND	PETn0	PETp0	GND	CMISDA_0	CMISCL_0
	B	GND	PERn2	PERp2	GND	PERn1	PERp1	GND	CBLPRSNT#_0	PWR
	A	GND	PERn3	PERp3	GND	PERn0	PERp0	GND	CINT#_0	CADDR_0

• PCIe 2.5/5.0/8.0Gbps ReDriver with Linear Equalization
• 2.5/5.0/8.0Gbps Serial Link with Linear Equalizer
• Support PCIe Gen 1/2/3 Protocol
• Independent Channel Configuration of Receiver Equalization, Output Swing and Flat Gain
• Per Channel Activity Detector with Selectable Input Termination between 50Ωto Vcc and 200KΩto Vcc
• Per Channel Output Termination Detector on Power up with Selectable Output Termination between 50Ωto Vcc and High Impedance
• Very Linear Transfer Function
• Fully Compliant to PCISIG Link Training
• Single-Ended Mode Receiver Detection for PCIe
• Input Threshold Detection

• USB3 Std-A Receptacle Connector
  • REFCLK+, REFCLK-, SMCLK, SMDAT, PERST#, CPWRON

• Power On Switch: JST compatible wafer 2pin (pitch=2.5mm) connector
• For auto-switch ATX Power Supply you may use a cable (CB-00711) to join EPCIE8XRDCA03A and PCIEX16D01

Setting for
Signal Detect Threshold,
Output Swing and Flat Gain,
Receiver Equalization

• Signal Detect Threshold fixed to
  ON = 130mVppd, OFF = 30mVppd
• Output Swing fixed to
  1000 mVp-p
• Output Flat Gain Setting (dB) (LSW1, HSW1)
  LSW1: PCIe 0~3 Output Flat Gain Setting
  HSW1: PCIe 4~7 Output Flat Gain Setting
  

  TX (Pin1&2)		RX (Pin3&4)		dB
  1 (FG0)	2 (FG1)	3 (FG0)	4 (FG1)
  ON	ON	ON	ON	-3.5dB
  OFF	ON	OFF	ON	-1.5dB
  ON*	OFF*	ON*	OFF*	0.5dB*
  OFF	OFF	OFF	OFF	2.5dB

• Equalization setting (HRXSW2, HTXSW2, LRXSW2, LTXSW2)
  LRXSW2, LTXSW2: PCIe 0~3 Equalization Setting
  HRXSW2, HTXSW2: PCIe 4~7 Equalization Setting
  

  1	2	3	4	Input Equalization
  EQ3	EQ2	EQ1	EQ0	db@ 2.5GH	db@ 4GH
  ON*	ON*	ON*	ON*	6.1dB	8.5dB
  ON	ON	ON	OFF	6.3dB	9.0dB
  ON	ON	OFF	ON	6.6dB	9.5dB
  ON	ON	OFF	OFF	6.9dB	10.0dB
  ON	OFF	ON	ON	7.2dB	10.6dB
  ON	OFF	ON	OFF	7.5dB	11.1dB
  ON	OFF	OFF	ON	7.8dB	11.5dB
  ON	OFF	OFF	OFF	8.1dB	12.0dB
  OFF	ON	ON	ON	8.4dB	12.4dB
  OFF	ON	ON	OFF	8.7dB	12.9dB
  OFF	ON	OFF	ON	9.0dB	13.3dB
  OFF	ON	OFF	OFF	9.3dB	13.7dB
  OFF	OFF	ON	ON	9.6dB	14.0dB
  OFF	OFF	ON	OFF	9.9dB	14.4dB
  OFF	OFF	OFF	ON	10.2dB	14.7dB
  OFF	OFF	OFF	OFF	10.5dB	15.1dB

• Host / Target Mode Setting (SW3)

  Mode	SW3-2	SW3-3	SW3-4
  Host	OFF	ON	ON
  Target	ON	OFF	OFF

• 70mm(H) x 98.2mm(L)
• NW:58.5g