h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 351

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

This LSI incorporates a USB2 function module supporting the USB standard. Figure 12.1 shows
the block diagram of the USB2.
12.1
• Supports the USB version 2.0
• High-speed mode and full-speed mode are supported
• Supports four endpoints; EP0, EP1, EP2, and EP3
• Control, Bulk, and Interrupt transfers are supported
• The maximum packet size in high-speed mode and full-speed mode is switched automatically
• DMA transfer interface
• Interrupt interface
Endpoint
EP0s
EP0i
EP0o
EP1
EP2
EP3
USB standard requests are processed automatically (except for some requests)
Get Descriptor, Class, and Vendor requests are processed by firmware
DMA transfer is enabled for endpoints 1 and 2
Two interrupt requests (USBI0 and USBI1) are supported as the interrupt request output pins.
Each interrupt source can be assigned via the internal registers
Features
Full
Speed
8 bytes
64 bytes
64 bytes
64 bytes
64 bytes
64 bytes
Section 12 Universal Serial Bus 2 (USB2)
Max. Packet Size
High
Speed
8 bytes
64 bytes
64 bytes
512 bytes
512 bytes
64 bytes
FIFO
Configuration
Single
Single
Single
Dual
Dual
Single
Transfer
Method
Setup
Control
Control
Bulk
Bulk
Interrupt
Rev. 2.00, 03/04, page 319 of 534
Transfer
Direction
Out
In
Out
Out
In
In
DMA
Transfer



Possible
Possible
