S1R72C05 Datasheet, PDF (39/49 Pages) Epson Company – Support for control, bulk, interrupt, and isochronous transfers

8. CONNECTION EXAMPLES
8.2 USB I/F Connection Example
8.2.1 For QFP15-128 (Device Periphery)
1u
127 LVDD
128 XI
Cg
S1R72C05
QFP15-128
Top View
Cd
Rd
HVDD(3.3V±0.3V)
LVDD(1.8V±0.15V)
VSS
1u
6.2k
±1%
0.1u
0.1u
1u
Static protection varistor
10
1u
Cg, Cd, Rd: As required
The oscillator circuit must match the quartz
resonator. Contact the quartz resonator
manufacturer for detailed information on circuit
constants.
For detailed information on USB peripheral circuits,
refer to the "PCB Design Guidelines for S1R72V
Series USB 2.0 High-Speed Devices."
to USB B_Connector
Select power supply elements carefully; their performance will affect USB signal waveform quality.
34
EPSON
S1R72C05*** Data Sheet (Rev.1.00)