HD6417727BP160CV Datasheet, PDF (740/1098 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/ SH7700 Series

Section 22 USB Pin Multiplex Controller
Table 22.3 Pin Configuration (Power Control signal)
Name
Symbol
I/O
Description
Power enable pin 1 USB1_pwr_en
Output USB port 1 power enable control
Power enable pin 2
One current pin 1/
VBUS pin
Over current pin 2
USB2_pwr_en
USB1_ovr_current/
USBF_VBUS
USB2_ovr_current
Output
Input
Input
USB port 2 power enable control
USB port 1 over-current detect/
USB cable connection monitor pin
USB port2 Over-current detect
Note: The pins shown in table 22.3 can be used for power control of USB. Pins for port 1 have the
functions that are multiplexed functions of USB controller and USB function controller.
22.1.3 Register Configuration
Table 22.4 shows the registers for USB pin multiplexer controller.
Table 22.4 Register Configuration
Name
Extra pin function controller
Abbreviation R/W Initial Value Address
Access Size
EXPFC
R/W H'0000
H'A4000234 16
Rev.6.00 Mar. 27, 2009 Page 682 of 1036
REJ09B0254-0600