Datasheet

Table Of Contents
Section 15 Universal Serial Bus Interface (USB)
Page 492 of 846 REJ09B0140-0900 Rev. 9.00
Sep 16, 2010
H8S/2215 Group
15.2 Input/Output Pins
Table 15.1 shows the USB pin configuration.
Table 15.1 Pin Configuration
Pin Name I/O Function
USD+
USD-
I/O I/O pin for USB data
DrVCC Input USB internal transceiver power supply pin
DrVSS Input USB internal transceiver ground pin
VBUS Input USB cable connection/disconnection detection signal pin
UBPM Input USB bus-power/self-power mode selection pin
When USB is used in bus-power mode, UBPM must be fixed low.
When USB is used in self-power mode, UBPM must be fixed high.
XTAL48,
EXTAL48
Input USB operating clock input pin
48-MHz clock for USB communication is input.
When the internal PLL is used, EXTAL48 and XTAL48 must be fixed
low and open, respectively.
USPND Output USB suspend output pin
Set to high level when the system enter the suspend state.
RCV Input
VP Input
VM Input
VPO Output
FSE0 Output
OE Output
External transceiver connection signals
Signals used to connect with the transceiver (ISP1104)
manufactured by NXP.
SUSPND Output