HD6417727BP160CV Datasheet, PDF (738/1098 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/ SH7700 Series

Section 22 USB Pin Multiplex Controller
22.1.1 Block Diagram
Figure 22.1 shows the connections between the on-chip USB host controller of the SH7727, the
USB function controller, and the on-chip 2-port USB transceiver.
USB host
Power
Port 2
Transceiver
pwr_en
ovr_current
Transceiver
Power
Port 1
Transceiver
pwr_en
ovr_current
Control
pwr_en/
control pin
multiplexer
ovr_current/
VBUS
multiplexer
USB function
Power
Port 1
Transceiver
VBUS
Transceiver
USB
host/function
transceiver
signals
multiplexer
Select
Select
USB
transceiver
2
USB digital signal
USB
transceiver
1
USB2_pwr_en
USB2_ovr_current
USB2_P
USB2_M
USB1_pwr_en
USB1_ovr_current/
USBF_VBUS
USB1d_****
USB1_P
USB1_M
Figure 22.1 Block Diagram of USB PIN Multiplexer
Rev.6.00 Mar. 27, 2009 Page 680 of 1036
REJ09B0254-0600