ASM4242 Integrated Circuit Chip 40G Universal Serial Bus 4 Host Controller
Product Overview Of ASM4242
ASM4242 is a Universal Serial Bus 4 (USB4®) host controller featuring upstream ports with 4-lane PCI Express 4.0 and dual 4-lane DisplayPort sink ports, along with downstream facing ports with dual USB4 ports.
This controller supports multiple protocol tunneling and USB 3.2 and DisplayPort alternate mode, providing high bandwidth up to USB4 Gen 3x2 40Gbps, USB 3.2 SuperSpeedPlus Gen 2x2 20Gbps and DisplayPort HBR3 x4 up to 32.4Gbps. Compliant with USB4 Specification Rev 1.0, VESA DisplayPort Standard V1.4a, VESA DisplayPort Alt Mode on USB Type-C Standard V2.0, and PCI Express Base Specification Rev 4.0 V1.0.
Key Features Of ASM4242
- Bridges PCI Express USP and two DisplayPort sink ports to two USB4 DFPs
- Integrated USB4 router with eXtensible Host Controller, PCI Express switch and DisplayPort LTTPR/Non-LTTPR retimer
- Compliant with eXtensible Host Controller Interface specification revision 1.2
- Supports GPIO, SPI and UART interfaces
- I2C master bus for external power delivery controller
- Firmware upload through external SPI ROM
- External 25MHz crystal oscillator
- Integrated spread spectrum controller
- Power requirements: 3.3V/1.8V/1.1V normal power and 3.3V/1.1V standby power
- 11x11 mm² flip chip BGA with 23x23 ball array
PCI Express Upstream Port Of ASM4242
- Four lanes of PCIe Gen 4 upstream port
- Maximum bandwidth up to 16Gbps per lane
- PCI Express link power management support
- 100MHz differential reference clock input
- SRIS mode and MSI/MSI-X support
DisplayPort Sink Port Of ASM4242
- Two DP sink ports with four lanes per port
- DP V1.4a compliance with HBR3 level support
- Maximum bandwidth up to 8.1Gbps per lane
- DP hot plug support
USB Downstream Facing Port
- Two USB4 DFPs with multiple protocol tunneling
- USB4/USB 3.2 link power management
- USB4 Thunderbolt 3 compatibility
- DP alternate mode and USB 3.2 Gen 2x2 mode support
- USB 3.2 multiple INs function, BOT and UAS protocol
- Backward compatible with legacy USB function and device
- Remote/wakeup event and hot plug support
Industry Compliance Of ASM4242
- USB4 Specification Version 1.0
- USB 3.2 Specification Revision 1.0
- USB Type-C Cable and Connector Specification Release 2.0
- VESA DisplayPort Alt Mode on USB Type-C Standard Version 2.0
- VESA DisplayPort (DP) Standard Version 1.4a
- PCI Express Base Revision 4.0 Version 1.0 Specification
- PCI Express Card Electromechanical 2.0 Specification
- PCI Express Mini Card Electromechanical 1.2 Specification
- PCI Bus Power Management Interface Specification Revision 1.2
- PCI Local Bus Specification Revision 3.0
Product Image Of ASM4242
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Frequently Asked Questions
Are your products original?
Yes, all products are original, new original import is our purpose.
Which Certificates do you have?
We are ISO 9001:2015 Certified Company and member of ERAI.
Can you support small quantity order or sample? Is the sample free?
Yes, we support sample order and small order. Sample cost is different according to your order or project.
How to ship my order? Is it safe?
We use express to ship, such as DHL, Fedex, UPS, TNT, EMS. We can also use your suggested forwarder. Products will be in good packing and ensure the safety and we are responsible to product damage to your order.
What about the lead time?
We can ship stock parts within 5 working days. If without stock, we will confirm lead time for you based on your order quantity.
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