Cypress Semiconductor Perform CY7C68013 Manual do Utilizador Página 5

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Choosing the Right Device for your USB Application
5
Cypress Low-Speed Peripheral Device
Selection Guide
Cypresss low-speed USB device family offers powerful, flex-
ible, integrated solutions for a wide range of USB applications.
The devices feature the industrys smallest 8-bit RISC core
with RAM, OTP PROM, USB logic, and a USB transceiver all
integrated into a single device.
Cypresss latest line of Low Speed devices is the enCoRe
(en
hanced Component Reduction) family, featuring a range
of USB chips with a patent pending internal oscillator that
removes the requirement for any external resonator or crys-
tal. Other components commonly found in low-speed USB
applications such as pull-up resistors, wake-up circuitry, and
a 3.3V regulator have also been integrated into the chip to
provide an overall reduction in system cost.
Note:
2. External resonator is optional.
Table 3. Cypress Low-Speed Peripheral Device Selection Guide
CY7C630/1XXA
CY7C634/5XX\ CY7C636XX
enCoRe
TM
(CY7C632XXA)
enCoRe
(CY7C637XX)
Typical Applications
Keyboards,
Mice,
Joysticks,
Universal Power
Supplies
Keyboards,
Mice,
Joysticks,
Universal Power
Supplies
Keyboards,
Mice,
Joysticks,
Universal Power
Supplies
Standard USB
Mouse,
USB Wheel
Mouse,
Combination
USB-PS2
Mouse
Optical Mouse,
Wireless Mouse,
Combination
USB-PS2
Mouse
RAM (Bytes)
128 256 256 96 256
OTP PROM (KBytes)
2/4 4/6/8 6/8 3 6/8
Number of I/Os
12-16 32-40 16 8-10 10-16
Endpoints
23323
Resonator
External External External Internal/
External
2
Internal/
External
[2]
PS/2 Support?
N o Ye s Yes Ye s Ye s
Package Types
20-pin PDIP
20-pin SOIC
24-pin SOIC
24-pin QSOP
40-pin PDIP
48-pin SSOP
40-pin CerDIP
48-pin SideBraze
24-pin SOIC 16-pin PDIP
18-pin PDIP
18-pin SOIC
18-pin PDIP
18-pin SOIC
24-pin PDIP
24-pin SOIC
Development Kit
CY3650 CY3654 + CY3654-
P02
CY3654 +
CY3654-P02
CY3654 +
CY3654-PO5
CY3654 +
CY3654-PO5
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