SH7721 datasheet(867/1524 Pages) RENESAS

867 / 1524 page

Section 25

USB Function Controller (USBF)

Rev. 3.00 Jan. 18, 2008 Page 805 of 1458

REJ09B0033-0300

25.2

Input/Output Pins

Table 25.1 lists the pin configuration of USBF.

Table 25.1

Pin Configuration and Functions

Name

Pin Name

I/O

Function

RCV pin

USB1d_RCV

Input

Input pin for receive data from

differential receiver

DPLS pin

USB1d_DPLS

Input

Input pin to driver for D+ signal

from receiver

DMNS pin

USB1d_DMNS

Input

Input pin to driver for D– signal

from receiver

TXDPLS pin

USB1d_TXDPLS

Output

D+ transmit output pin to driver

TXSE0 pin

USB1d_TXSE0

Output

SE0 output pin

TXENL pin

USB1d_TXENL

Output

Driver output enable pin

USB1

overcurrent/monitor

USB1_ovr_current/

USBF_VBUS

Input

USB port 1 over-current detection/

USB cable connection monitor pin

SUSPEND pin

USB1d_SUSPND

Output

Transceiver suspend state output

USB external clock EXTAL_USB

Input

Connect a crystal resonator for

USB. Alternatively, an external

clock may be input for USB (48

MHz).

USB crystal

XTAL_USB

Output

Connect a crystal resonator for

USB.

USB1 power

enable/pull-up

control pin

USB1_pwr_en/USBF_UPLUP

Output

USB port 1 power enable control/

Pull-up control output pin

1P pin

USB1_P

I/O

1M pin

USB1_M

I/O

−

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