h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 353

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

12.2
Table 12.1 lists the I/O signals of USB2.
Table 12.1 Input/Output Signals
Classification Symbol
USB bus power
supply
Transceiver
signal
DrVCC
Monitor pin
Input/Output Signals
USVBUS
USCLK
USRXV
USRXERR
USRXACT
USTXRDY
USLSTA[1:0]
USD[15:0]
USWDVLD
USTSEL
USOPM[1:0]
USXCVRS
USTXV
USSUSP
USRST
I/O
Input
Input
Input
I/O
Output
Output
Function
USB Bus Power Supply Signal
This is a connection or disconnection detection pin for
the USB cable. This pin is connected to the VBUS pin in
the USB connector.
High: VBUS pin = low means disconnection
Low: VBUS pin = high means connection
Note: This signal should be input after the signal of the
USB Clock
This is a USB clock (30 MHz) which is output by the
transceiver.
USB 2.0 Transceiver Input Signal
These signals are connected to the USB 2.0 transceiver.
They are complied with the UTMI specification. For
details, refer to the UTMI Specifications.
USB 2.0 Transceiver I/O Signal
These signals are connected to the USB 2.0 transceiver.
They are complied with the UTMI specification. For
details, refer to the UTMI Specifications.
USB 2.0 Transceiver Output Signal
These signals are connected to the USB 2.0 transceiver.
They are complied with the UTMI specification. For
details, refer to the UTMI specification.
This is a monitor pin.
VBUS pin of the USB connector is inverted.
Rev. 2.00, 03/04, page 321 of 534