Usb Host; Block Description - Renesas SH7727 General Information Manual

R0P7727TH003TRKE General Information Manual

5.2 USB Host

5.2.1 Block Description

Figure 5.2 shows the USB host control block. As shown in Figure 5.2, the SH7727 contains the internal USB
host controller. This internal controller supports USB Versions 1.1 openHCI has the following features:
(1) Compatibility with the OpenHCI Version 1.0a register set
(2) Conforms to the USB Version 1.1
(3) Provides a route hub function
(4) Supports the low speed (1.5Mbps) and full speed (12MB) modes
(5) Supports an overcurrent detection function
(6) Supports a maximum of 127 endpoints
(7) Capability of using the entire SDRAM area connected to area 3 for transfer data and descriptors
For details, refer to the pertinent SH7727 Hardware Manual.
SH7727
USB Host controller
USB2_PW_EN
USB2_OVR_CRNT
S
Figure 5.2 USB Host Control Block
USB
power supply
control driver
26
Functional Blocks
USB Type A
connector(CN7)
+5V
GND
-DATA
+DATA