HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 548

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

19.2
Table 19.1 shows the pin configuration of the USB host controller.
For the detailed method for setting each pin, refer to section 18, USB Pin Multiplex
Controller(USBPM).
Table 19.1 Pin Configuration
Pin Name
UCLK
RDI_REFCLK_IN
USB_PWR_EN/
USB_PULLUP
USB_OVR_CRNT/
USB_VBUS
USB_P
USB_N
Note: Either of RDI_REFCLK_IN or UCLK is used for 48MHz clock of the USB.
Rev. 1.00, 02/04, page 510 of 804
Input/Output Pins
I/O
Input
Input
Output
Input
Input/
Output
Input/
Output
Function
External Clock Pin
For direct input to 48MHz clock from an external device
External clock input
The 13 MHz external clock is input. This signal is multiplied
internally, and the clock of 48 MHz is generated.
Power Enable Pin/Pull-up Control Pin
Enables power supply (USBH)/controls USB pull-up (USBF)
Overcurrent Pin/ VBUS Pin
Detects over-current (USBH)/monitors USB cable connection
(USBF)
P Pin
D+ port transceiver pin
N Pin
D− port transceiver pin