Datasheet

dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814
DS70616F-page 384 Preliminary © 2009-2012 Microchip Technology Inc.
FIGURE 22-1: USB INTERFACE DIAGRAM
48 MHz USB Clock
VUSB 3 V 3
D+
D-
VBUS
VBUSON
SRP Charge
SRP Discharge
Registers
and
Control
Interface
System
RAM
Full-Speed Pull-up
Host Pull-down
Host Pull-down
USBID
VMIO
VCPCON
SIE
USB
VBUS Boost
Controller
from Auxiliary PLL
USB
Transceiver
Low-Speed Pull-up
Comparators
USB
Voltage
VBUSST
VPIO
DMH
DPH
DMLN
DPLN
RCV
USBOEN
External Transceiver Interface
VCMPST3
VCMPST2
VCMPST1
External
V
BUS
Comparator
Interface