USB Device

The W55U02 is an USB V1.1 controller for W55Fxx, SPI serial flash or NAND type flash memory. It has an 8-bit microprocessor that provides flexible API functions to support general applications. It is compatible with any PC via USB.

The N55UF28 is an USB 2.0 Full Speed Controller with 2 channel speech synthesizer. It’s MTP type for various applications and high integration. The embedded memory can be used for program and data purpose. It also embedded various H/W interface and suit for many applications with high performance.

W55U02-Ax USB2.0 Full Speed Controller

Part No. HID Mass Storage I/O level
Shifting
I/O Pins Interface Code
Type

ROM
(K Byte)

OS
Supporting
Status* RoHS Datasheet
ADC/IR/
SD Card/2 CH Speech
SPI Flash NAND Flash
Y N Y 16 I/O N Y Y Standard N Windows ME/2000/XP/Vista P Y
N Y Y 16 I/O N Y Y Standard N Windows ME/2000/XP/Vista P Y
W55U032A
Y Y Y 16 I/O N Y Y CustomerMade 32 (Mask Rom) Windows ME/2000/XP/Vista P Y
N55UF28
Y Y Y 28 I/O Y Y Y CustomerMade 64(Flash) Windows ME/2000/XP/Vista UD(2010,Q2) Y
*  Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life.

Contact us:  MicroC-PS@nuvoton.com