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PDF OTI002168 Data sheet ( Hoja de datos )

Número de pieza OTI002168
Descripción USB 2.0 Flash Disk Controller
Fabricantes OTI 
Logotipo OTI Logotipo



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OTi
Ours Technology Inc.
OTi-2168
USB 2.0 FLASH DISK CONTROLLER
„ DESCRIPTION
The flash disk controller (OTi-2168) is a USB2.0 mass storage class controller used to make a
linear flash device array look likes a normal disk, hiding the flash related problems with erasing.
The OTi-2168 is a controller with USB interface. The USB interface is for high speed operation
(480Mb/s). It conforms to USB Specification, Version 2.0. The USB transceiver is embedded in this
controller. With stable slew-rate control, the controller reduces EMI.
The OTi-2168 has a Phase Lock Loop (PLL) embedded. The PLL provides all clocks needed in
this controller. It needs an externally provided clock operating in 12MHz.
The OTi-2168 can control up to 8 pieces of NAND flash memory. The flash capacity can be 32M
bits up to 4G bits. And these chips can be any combination. It has been optimized to support Toshiba
and Samsung flash memory designs. It also supports Samsung’s K9F and K9W Series flash. The
controller has write-protected ability to prevent writing data to flash. The controller has one LED
control pin. You can program one of the display modes - operation, suspend, and standby, through
provided production program. Comprehensive application software for security function with Windows
OS is also available.
This controller can operate in Win XP, Win2000, Windows Me, and Mac OS without any driver
installation.
The OTi-2168 is available in cost-saving 48-pin LQFP (7mmX7mm) package.
„ FEATURES
• Mass storage class controller with Universal Serial Bus interface
• USB Specification Compliance
— Conforms to high-speed (480Mb/s) USB Specification, Version 2.0
— Meet bus power specification
• Integrated USB transceiver
— Dynamic feedback control
— Stable slew rate, independent of external loading
• Integrated USB Serial Interface Engine (SIE)
• Integrated RISC micro-controller
— High-performance RISC architecture
— Single cycle instruction execution
• 12 MHz external clock
• 3.3 V power operation

1 page




OTI002168 pdf
OTi
Ours Technology Inc.
OTi-2168
USB 2.0 FLASH DISK CONTROLLER
„ PIN DESCRIPTION
Pin Name
Attribute
Description
GNDUSBL
P USB logic ground
VDDUSBL
P 3.3 V USB logic power
F_CE[3]
O Flash Chip Enable – Chip 3
VDDUSBL
P 3.3 V USB logic power
GNDUSBL
P USB logic ground
F_CE[2]
O Flash Chip Enable – Chip 2
F_CE[1]
O Flash Chip Enable – Chip 1
F_CE[0]
O Flash Chip Enable – Chip 0
GNDL
P Logic ground
VDDL
P 3.3 Logic power input
F_RB
I Flash Ready/Busy
LED1_oeb
O LED1 indication(open drain)
GNDL
P Logic ground
VDDL
P 3.3 Logic power input
F0_IO[7]
I/O Flash data bus – bit 7
F0_IO[6]
I/O Flash data bus – bit 6
F0_IO[5]
I/O Flash data bus – bit 5
F0_IO[4]
I/O Flash data bus – bit 4
GNDL
P Logic ground
VDDL
P 3.3 Logic power input
F0_IO[3]
I/O Flash data bus – bit 3
F0_IO[2]
I/O Flash data bus – bit 2
F0_IO[1]
I/O Flash data bus – bit 1
F0_IO[0]
I/O Flash data bus – bit 0
F_CE[4]
O Flash Chip Enable – Chip 4
F_CE[5]
O Flash Chip Enable – Chip 5
GNDL
P Logic ground
VDDL
P 3.3 Logic power input
GNDL
P Logic ground
VDDL
P 3.3 Logic power input
F0_RE
O Group 1 Flash Read Enable
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

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