CH334 Overview
Industrial grade design with streamlined peripherals for use in puter and industrial control machine motherboards, peripherals, embedded systems, etc.
CH334 Key Features
- 4-port USB HUB, providing 4 USB 2.0 downlink ports, backward patible with USB 1.1 protocol specification
- Support each port independent power control or GANG overall linkage power control
- Support independent overcurrent detection of each port or overall overcurrent detection of GANG, support 5V
- Support high performance MTT mode, providing independent TT for each port to achieve full bandwidth
- Support port status LED indicators
- Configurable via external EEPROM to support posite devices, non-removable devices, custom VIDs, PIDs
- Built-in information memory, for industry-specific needs can be customized in bulk manufacturer or product
- Self-powered or bus-powered mode configurable via I/O pins or external EEPROM
- Provides crystal oscillator with built-in capacitor, supports external 12MHz input, and built-in PLL provides
- Built-in 1.5KΩ pull-up resistor on the uplink port, built-in pull-down resistor on the downlink port required