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PDF SN11088 Data sheet ( Hoja de datos )
| Número de pieza | SN11088 | |
| Descripción | Third Generation USB1.1 Flash Memory Controller | |
| Fabricantes | SONIX | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SN11088 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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SN11088
2003/7/8 ver 0.3
SN11088
Third Generation USB1.1 Flash Memory Controller
Version 0.1
2003/10/8
1 General Description
SN11088 is a high-performance integrated circuit to access the NAND type Flash memory
via the USB 1.1 bus. It provides a flexible and cost efficient single chip solution for external
storage applications such as USB Disk (Flash Disk). With the capability to be pin-to-pin
compatible to SN11085/86/87, the current user of SN11085/86/87 can easily upgrade to
SN11088 with no engineering effort needed at all. With all the features inherited from
SN11085/86/87 like the low 6MHz system clock to reduce the EMI, the embedded
translation table to eliminate the cost of external memory, the Sonix proprietary
randomization algorithm to extend the lifetime of flash memory and ensure the product
robustness, and the real time ECC corrwewcw.tDiaotaSnheetf4Uu.cnomction, the SN 11088 adds several other
unique features to reduce the cost of the end product and meet the customer’s requirements.
To enrich the product line of the OEM manufacture, with the ability to support 8 pieces of
flash memories and the new types of 2G, 4G, and 8G bits flashes, SN11088 can be used to
build up a storage device up to 4 Giga bytes. To reduce the total cost of the end product,
SN11088 incorporates a power MOS inside to meet the current requirement (500 uA) in USB
suspend state. The usage of EEPROM can also now be eliminated by the capability to
program the customized vendor/product ID/string in the flash itself. Therefore, the total cost
is reduced by upgrade from SN11085 to SN11088.
With keeping all the versatile functions provided by older products, like programmable LED
speed, FDD support, etc., SN11088 now provides CD-ROM support and separate write
protect features for different LUN, so the product makers can put their SW and manuals in
the flash directly without accompanying the extra CD-ROM, reducing the cost more.
Therefore, in total of 6 kind of different configurations can be selected by the flash disk
1
1 page  
SN11088
2003/7/8 ver 0.3
12 GND
PWR
13 VDD
PWR
14 FLCLE DO 8mA
15 FLCE1 DO 8mA
16 FLCE3 DO 8mA
17 FLCE5 DO 8mA
18 FLCE7 DO 8mA
19 LED
DIO 8mA PD
20 RSTN DI
PU
21 TEST DI
PD
22 GPIO1 DIO 8mA
23 XIN
I --
24 XOUT O - -
25 VDD
PWR
-
26 FLVDD PWR
-
27 FLPOWER DO 8mA OC
28 GPIO0 DIO 8mA
29 ROMCS DO 4mA
30 GND
31 VDD
32 ROMSK
PWR
PWR
DO 4mA
33 ROMDI DO 4mA
34 ROMDO DI 4mA
35 GPIO1 DIO 8mA -
36 FLWPSW DI
PU
37 AVDD PWR
38 AVSS PWR
39 DPLUS AIO - -
40 DMINUS AIO - -
41 FLCE8 DO 8mA
42 FLCE6 DO 8mA
Digital ground
Digital 3.3V
Flash memory command latch enable
Flash memory chip enable 1
Flash memory chip enable 3
Flash memory chip enable 5
Flash memory chip enable 7
LED lighter
Chip reset, connected to external RC circuit
Test pin, NC in normal operation
Do Not Connect
Crystal input or oscillator input
Crystal output or no connection
Digital 3.3V
3.3V power to flash VDD
Flash power control, connect to external MOS
Needs to be pulled up externally.
General Purpose Input/Output 0 for internal test
Always pull up for normal operation
Chip select for external EEPROM
Digital ground
Digital 3.3V
Clock for external serial EEPROM
Serial data to external EEPROM
Serial data from external EEPROM, pull up
externally if no EEPROM is connected
General Purpose Input/Output 1. Pull up/down
depends on operation modes
Flash write protect switch
Analog 3.3V
Analog ground
USB D+ signal
USB D- signal
Flash memory chip enable 8
Flash memory chip enable 6
5
5 Page 
SN11088
Fsk ROMSK pin clock frequency
200
6.5 Power consumption
Table 10
symbol
Io_max
Is_max
parameter
Max current in operation
Max current in suspend mode
value
20
TBD
2003/7/8 ver 0.3
kHz
unit
mA
uA
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet SN11088.PDF ] | |
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