UFD/MMC/SD Controller

Flash support limitation and Interconnection Note

Ver 0.3

Skymedi Corporation Confidential

2007/10/25

1

Application Note

Revision History

Version

Date

Change compare to previous version

Changed by

0.1

2007/09/01

Initial version

Andi Chen

0.2

2007/10/25

Add MT29F8G08MAA can be supported with word mode by SK6621AA

Andi Chen

0.3

2008/06/10

Not support word mode except TC58NVG3D1D and TC58NVG3D1D_B in SK6626

Michelle Chen

UFD/MMC/SD Controller

Flash support limitation and Interconnection Note

Ver 0.3

Skymedi Corporation Confidential

2007/10/25

2

Application Note

1. Flash Supporting Limitation for each Controller

Flash Support Limit Table for the different Controller and different Flash type

Flash Type

SLC Flash

MLC Flash

Page Size

2K Page

4K Page

2K Page

4K Page

Flash

Bus Ch.

Single

Dual

Single

Dual

Single

Dual

Single

Dual

SK6612

Yes

Yes

No

No

Note1

No

No

No

SK6621

Yes

Yes

Yes

Yes

Yes

Note2

Yes

No

SK6625

Yes

No

Yes

No

Yes

No

Yes

No

SK6626

Yes

No

Yes

No

Yes

No

Yes

Note3

SK6201/ SK6202

Yes

Yes

No

No

Note1

No

No

No

SK6281/ SK6288

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

Controller

SK6211/ SK6203

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Note1. AG-AND is the only one type of MLC Flash that can be supported by SK6612, SK6201, and SK6202

Note2. The list of SK6621 that Support MLC Flash with Dual Channel are:

1. K9G4G08U0A

2. K9G8G08U0M

3. K9LAG08U0M

4. K9HBG08U1M

5. HY27UT088G2M

6. MT29F8G08MAA

Note3. The list of SK6626 that Support MLC Flash with Dual Channel are:

1. TC58NVG3D1D

2. TC58NVG3D1D_B

UFD/MMC/SD Controller

Flash support limitation and Interconnection Note

Ver 0.3

Skymedi Corporation Confidential

2007/10/25

3

Application Note

SK6625AA

R 4.7K

SK6211AA

Flash VCC

FD13

FCE1_N

FD14

FD7

FD15

FWEL_N

ALE

CLE

FRB_N

FOE_N

FD10

FD12

FD3

FD5

FD6

FD4

FD11

FD2

FD9

FD1

FD8

FD0

FWP_N

FCE0_N

FCE2_N
FCE3_N

FWEH_N

SK6281AB

NANA Type
Flash

FD[7:0]

SK6621AA

R/B#

RE#

CE#

CLE

ALE

WE#
WP#

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

SK6203AA

SK6288AA

2. Two Flash WE Pin Connecting

2-1. Single Channel

In single channel configuration, only FWEL_N will be used and the FWEH_N is no used.

UFD/MMC/SD Controller

Flash support limitation and Interconnection Note

Ver 0.3

Skymedi Corporation Confidential

2007/10/25

4

Application Note

SK6211AA

R 4.7K

(High Byte)

R/B#

RE#

CE#

CLE

ALE

WE#
WP#

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

SK6281AB

(Low Byte)

NANA Type
Flash

SK6288AA

SK6621AA

NANA Type
Flash

FD[15:8]

SK6203AA

FD13

FCE1_N

FD14

FD7

FD15

FWEL_N

ALE

CLE

FRB_N

FOE_N

FD10

FD12

FD3

FD5

FD6

FD4

FD11

FD2

FD9

FD1

FD8

FD0

FWP_N

FCE0_N

FCE2_N
FCE3_N

FWEH_N

Flash VCC

R/B#

RE#

CE#

CLE

ALE

WE#
WP#

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

FD[7:0]

2-2. Dual Channel

In Dual channel configuration, the FWEL_N connect to Low_Byte Flash array and the FWEH_Lwill should be connected to

High_Byte Flash array.

UFD/MMC/SD Controller

Flash support limitation and Interconnection Note

Ver 0.3

Skymedi Corporation Confidential

2007/10/25

5

Application Note

3. The FCE Connecting mapping table of the Controller and Flash Memory

One CE Flash

Two CE Flash

Four CE Flash

Flash

Array

Flash Signal Pin

Controller Signal Pin

Flash Signal Pin

Controller Signal Pin

Flash Signal Pin

Controller Signal Pin

CE0

—

FCE0_N

CE0

—

FCE0_N

CE0

—

FCE0_N

FCE1_N

CE1

—

FCE1_N

CE1

—

FCE1_N

FCE2_N

FCE2_N

CE2

—

FCE2_N

Flash 1

FCE3_N

FCE3_N

CE3

—

FCE3_N

FCE0_N

FCE0_N

CE0

—

FCE1_N

FCE1_N

FCE2_N

CE0

—

FCE2_N

Flash 2

FCE3_N

CE1

—

FCE3_N

Not Allowed

FCE0_N

FCE1_N

CE0

—

FCE2_N

Flash 3

FCE3_N

FCE0_N

FCE1_N

FCE2_N

Flash 4

CE0

—

FCE3_N

Not Allowed

Note1. The most number of Flash parts that can be supported on Single Channel is 4.

Note2. The most number of Flash parts that can be supported on Dual Channel is 8.