HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 538

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

Rev. 1.00, 02/04, page 500 of 804
USB function controller
USB host controller
Port 1
Port 1
Transceiver
Transceiver
Power
Power
controller
controller
Control
48-MHz clock
ovr_current
Control signals
Figure 18.1 Block Diagram of this USB
pwr_en
EXCPGCR
VBUS
Select
ovr_current/
host/function
multiplexer
multiplexer
transceiver
multiplexer
VBUS pin
pwr_en/
pull-up
signals
USB
pin
Multiplier
USB Pin Multiplex Controller
Clock Control Circuit
transceiver
USB
Divider
USB1_PWR_EN/
USB_PULLUP
USB1_OVR_CRNT/
USB_VBUS
USB_P
USB_N
UCLK (48 MHz)
RDI_REFCLK_IN (13 MHz)