Description

The 7B08L-220M is a USB host/device controller LSI that supports USB 2.0 high-speed mode. It can operate as a USB host or USB device depending on how control is switched. This LSI offers high compatibility with the S2R72V17 model and includes additional functions such as support for USB host isochronous transfers.

Specifications and features

• USB 2.0 host functions
• Supports HS (480 Mbps), FS (12 Mbps), and LS (1.5 Mbps) transfer
• Built-in pull-down resistor for downstream ports (no external circuit required)
• Built-in HS termination (no external circuit required)
• Supports control, bulk, interrupt, and isochronous transfers
• Proven channel system designed specifically for embedded host
• Dedicated control transfer channel x1
• Dedicated bulk transfer channel x1
• Bulk, interrupt, and isochronous transfer channels x4
• USB power switching interface
• Supports USB 2.0 device functions
• Supports HS (480 Mbps) and FS (12 Mbps) transfer
• Built-in FS/HS termination (no external circuit required)
• VBUS 5V I/F (requires external protective circuit)
• Supports control, bulk, interrupt, and isochronous transfers
• Supports five bulk, interrupt, and isochronous transfers and Endpoint 0
• MCU I/F
• Supports 16-bit width standard CPU bus I/F
• Includes DMA 1ch for each port (multi-word sequence)
• Big Endian (Includes bus-swapping function to support Little Endian CPUs)
• I/F variable voltage (3.3 V to 1.8 V)
• Miscellaneous
• Clock input: Supports 12 MHz/24 MHz crystal oscillator. (built-in oscillator circuit and 1 MΩ feedback resistor)
• Dedicated terminals for 12/24/48 MHz clock input
• Power supply voltage: 3-voltage system including 3.3 V, 1.8 V, and CPU I/F power supply (3.3 V to 1.8 V)
• Package type QFP14-80, PFBGA8UX81
• Guaranteed operating temperature range: -40°C to 105°C

Application Scenarios

The 7B08L-220M can be used in various electronic applications such as USB host devices, USB devices, and embedded systems that require USB connectivity. It is suitable for both consumer electronics and industrial applications.

Comparison

• High-speed USB 2.0 support
• Flexible usage as USB host or device
• Compatibility with previous models
• Additional support for USB host isochronous transfers
• Proven channel system for efficient data transfer

• External protective circuit required for VBUS 5V I/F
• Limited operating temperature range (-40°C to 105°C)