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PDF EKF5280 Data sheet ( Hoja de datos )

Número de pieza EKF5280
Descripción USB2.0 Flash Controller
Fabricantes ELAN Microelectronics 
Logotipo ELAN Microelectronics Logotipo



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eKF5280
USB2.0 Flash
Controller
Product
Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
February 2006

1 page




EKF5280 pdf
eKF5280
USB2.0 Flash Controller
1 Description
The eKF5280 Flash Controller provides a high-performance interface for bridging
USB2.0 and NAND Flash compliance device, thus allowing the device to implement
flash memory storage function through USB interface. The eKF5280 contains an 8-
bit RISC processor which could significantly reduce efforts of firmware development.
Furthermore, the Controller is embedded with a Phase Lock Loop (PLL). The PLL
provides all the internal clocks needed by the Controller. However, the required 12
MHz external clock has to be provided externally.
The eKF5280 is capable of controlling up to 8 pieces of NAND Flash memory with
flash capacity ranging from 16M bytes to 512M bytes. The Controller can be
available in a number of feature combinations to accommodate customer’s
requirements. It has been optimized to support Toshiba, Samsung and Hynix/ST
SLC (single level cell) flash memory designs. The controller has a write-protect
feature for preventing accidental writing to flash.
2 Features
USB Specification v2.0 Compliant
USB Mass Storage Class v1.0 Compliant
Supports 480 MBits/s Full High Speed Serial Data Transmission
Support USB Mass Storage Class Bulk-Only Spec
USB bus-powered capability
Build in PLL used to generate clock for USB and MCU
Oscillator: 12MHz
Supports a total of 4 Endpoints:
Endpoint 0 is the default control endpoint
Endpoint 1 is the Bulk-in endpoint
Endpoint 2 is the Bulk-out endpoint
Endpoint 3 is the Interrupt-in endpoint
Support ping-pong buffer(two 2120x8 bits) for data transfer to/from NAND Flash
Support up to 8 pieces of NAND Flash memory
1 LED sink pins with internal serial resistor
Support wear leveling
Support write-protected ability
Higher reliability: ECC on the fly
Support untested/downgrade NAND Flash
Embedded 5-3.3 regulator, and 3.3-2.5 regulator
One 8-bit general purpose timer
Product Specification (V1.0) 02.23.2006
(This specification is subject to change without further notice)
1

5 Page





EKF5280 arduino
eKF5280
USB2.0 Flash Controller
8.4 I/O10
Symbol
Parameter
VIH
VIL
VOH
VOL
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Condition
IOH = -8.0mA
IOL = 10.0mA
Min
2.0
2.4
-10%
Typ Max Unit
0.8
1.3 10%
V
V
V
V
8.5 I/O-U5
Symbol
VIH
VIL
VOH
VOL
Ru
Parameter
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Pull-high resistor(For NF_RnB Pin)
Condition
IOH = -8.0mA
IOL = 8.0mA
Min
2.0
2.4
-20%
Typ Max Unit
V
0.8 V
V
0.4 V
5 +20% K
8.6 I/O-U50
Symbol
Parameter
VIH
VIL
VOH
VOL
Ru
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Pull-high resistor(For WPS Pin)
Condition
IOH = -8.0mA
IOL = 8.0mA
Min Typ Max Unit
2.0 V
0.8 V
2.4 V
0.4 V
-20% 50 +20% K
8.7 I-L
Symbol
Rd
Parameter
Pull-low resistor
Condition
Min Typ Max Unit
-20% 10 +20% K
8.8 I-S
Symbol
VIH
VIL
Parameter
Schmitt trigger Input High Voltage
Schmitt trigger Input Low Voltage
Min Typ Max Unit
2.0 V
0.7 V
Output
0V
2.5V
Product Specification (V1.0) 02.23.2006
(This specification is subject to change without further notice)
7

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