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PDF OTI-6888 Data sheet ( Hoja de datos )

Número de pieza OTI-6888
Descripción USB 1.1 USB Host
Fabricantes OTI 
Logotipo OTI Logotipo



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No Preview Available ! OTI-6888 Hoja de datos, Descripción, Manual

OTi
Ours Technology Inc.
OTi-6888
USB 1.1 USB Host with MP3 Interface Controller
„ DESCRIPTION
The OTi-6888 is a USB host with MP3 interface controller. User can stores the mp3 file
in the USB device (USB flash disk , USB card reader and USB portable hard Disk). When
the USB device plug in USB port and push the play key. The OTi6888 will read the mp3 file
from USB device, and send the data to MP3 decoder and DAC. The user can hear MP3 song
where stores in USB device.
The USB interfaces are for full speed operation (12Mb/s). It conforms to USB
Specification, Version 1.1. The USB transceiver is embedded in this controller. With stable
slew-rate control, the controller reduces EMI.
The OTi-6888 has a Phase Lock Loop (PLL) embedded. The PLL provides all clocks
needed in this controller. It needs an externally provided clock operating in 14.318MHz.
The controller has two LED control pin.
„ FEATURES
The host controller conforms to Full-speed (12Mb/s) USB Specification, Version
1.1
Supports the USB flash disk device(Version 1.1 or 2.0) with Mass storage class
Supports the USB card reader device(Version 1.1 or 2.0) with Mass storage class
Supports the USB portable hard disk(Version 1.1 or 2.0) with Mass storage class
Integrated USB transceiver
Integrated RISC micro-controller
— High-performance RISC architecture
— Single cycle instruction execution
14.318 MHz external clock
3.3 V power operation
Integrated PLL
mSmall form factor - standard 48-pin LQFP (7mmX7mm) package
.coSupports File System including FAT12FAT16FAT32
uSearch for whole disk (MP3 File)
t4Input button for Play (Pause), Previous, Next , Volume + and Volume –
www.datashee - 1 -
Our Technologies are Yours!
SPE. 15, 2003 Rev.A.1

1 page




OTI-6888 pdf
OTi
Ours Technology Inc.
OTi-6888
USB 1.1 USB Host with MP3 Interface Controller
„ PIN DESCRIPTION
OTi-6888 has two different kinds of package, 48-pin and 64-pin. OTi-6888 with 48-pin
package provides fundamental USB host function, however, it can provide external ROM
functions if you choose 64-pin package.
Note: OTi-6888 with 48-pin package does not external ROM function.
Pin No.
Pin Name
Attribute
Description
1
GPIOA[7]
I/O GPIO
2
GPIOA[6]
I/O GPIO
3 NC
NC
4 NC
NC
5 NC
NC
6 NC
NC
7 gnd I gnd
8 vdd I vdd
9 LED1_out O Status indication
10 NC
NC
11
GPIOA[5]
I/O GPIO
12
GPIOA[4]
I/O GPIO
13
GPIOA[3]
I/O GPIO
14
GPIOA[2]
I/O GPIO
15 NC
NC
16 NC
NC
17 NC
NC
18 gnd
I gnd
19 vdd
I vdd
20 NC
NC
21 NC
NC
22 NC
NC
23
GPIOA[1]
I/O GPIO
24
GPIOA[0]
I/O GPIO
25 NC O NC
26 reset_b
I Power on reset input , low active
27 gnd
I gnd
-5-
Our Technologies are Yours!
SPE. 15, 2003 Rev.A.1

5 Page





OTI-6888 arduino
OTi
Ours Technology Inc.
OTi-6888
USB 1.1 USB Host with MP3 Interface Controller
LQFP-64 : plastic low profile quad flat package; 64 leads; body 10 x 10 x 1.4 mm
DIMENSIONS (mm are the original dimensions)
A
UNIT
A1 A2 A3 bp c D(1) E(1) e HD
Max.
HE L Lp
v
W
y
ZD(10)
ZE(1)
θ
mm 1.6 0.20 1.45 0.25 0.27 0.18 10.1 10.1 0.5 12.15 12.15 1 0.75 0.2 0.12 0.1 1.45 1.45 7°
0.05 1.35
0.17 0.12 9.9
9.9
11.85 11.85
0.45
1.05 1.05 0°
Note:
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
- 11 -
Our Technologies are Yours!
SPE. 15, 2003 Rev.A.1

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