Cypress CY3640 USB Starter Kit
User’s Guide
Cypress Semiconductor Ver 0.993
Page 15
G. Cypress CY3640 USB Starter Kit Schematic
Bill of Materials
U1 Cypress CY7C63001 USB controller
U2 Dallas Semiconductor DS1623 temperature sensor
P1 2-pin header, polarized, 0.1" center, right angle. Not populated.
P2 5-pin header, polarized, 0.1" center, vertical. Not populated.
SW1 SPST, Momentary switch
DS1 20 mA, 2.2 Vdc Red LED, 0.1" center, 0.02 leads
DS2 20 mA, 2.2 Vdc Green LED, 0.1" center, 0.02 leads
X1 6 MHz ceramic resonator
JP1 2-pin header, 0.1" center, with shunt
JP2 2-pin header, 0.1" center, with shunt
JP3 3-pin header, 0.1" center, with shunt
R1 7.5K Ohm, 1%, 1/8 W, carbon film resistor
R2 150 Ohm, 10%, 1/8 W, carbon film resistor
R3 150 Ohm, 10%, 1/8 W, carbon film resistor
R4 10K Ohm, 10%, 1/8 W, carbon film resistor
R5 50K Ohm, 10%, 1/8 W, carbon film resistor
C1 0.1
µ
F, 5%, Low ESL, 50 Vdc capacitor
C2 4.7
µ
F, 10%, Tantalum, 25 Vdc capacitor
C3 0.1
µ
F, 5%, Low ESL, 50 Vdc capacitor
C5 0.1
µ
F, 5%, Low ESL, 50 Vdc capacitor
C6 External Vcc Bulk capacitor. Not populated
C7 External Vcc HF capacitor. Not populated
J1 40-pin, boxed header, straight, 0.1" x 0.1" center
J2 USB "B" connector
FB1 Ferrite bead. Not populated
FB2 Ferrite bead. Not populated
The USB Starter Kit demo board layout and schematic are shown on the next two pages.
