SH7721 datasheet(828/1524 Pages) RENESAS

828 / 1524 page

Section 24

USB Host Controller (USBH)

Rev. 3.00 Jan. 18, 2008 Page 766 of 1458

REJ09B0033-0300

24.2

Input/Output Pins

Pin configuration of the USB Host Controller is shown in table 24.1.

For the detailed method for setting each pin, see section 23, USB Pin Multiplex Controller.

Table 24.1

Pin Configuration

Pin Name

I/O

Function

USB1 power

enable/pull-up control

USB1_pwr_en

Output

USB port 1 power enable control

USB2 power enable

USB2_pwr_en

Output

USB port 2 power enable control

USB1

overcurrent/monitor

USB1_ovr_current/

USBF_VBUS

Input

USB port 1 over-current detect/

USB cable connection monitor pin

USB2 overcurrent pin

USB2_ovr_current

Input

USB port 2 over-current detect

1P pin

USB1_P

I/O

+ port 1 transceiver pin

1M pin

USB1_M

I/O

− port 1 transceiver pin

2P pin

USB2_P

I/O

+ port 2 transceiver pin

2M pin

USB2_M

I/O

− port 2 transceiver pin

SPEED pin

USB1d_SPEED

Output

Transceiver speed control pin

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.

SH7721 Datasheet(PDF) 828 Page - Renesas Technology Corp

SH7721 Datasheet(HTML) 828 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL