VT6508 datasheet(30/48 Pages) ETC1

Part #	VT6508

Description	8 RMII PORTS OF 10/100BASE-T/TX ETHERNET SWITCH CONTROLLER

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	ETC1 [List of Unclassifed Manufacturers]

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30 / 48 page

VIA Technologies, Inc.

Preliminary VT6508 Datasheet

-30-

3 THE VT6508 SRAM ADDRESS MAPPING TABLE

128-pin 32bit mode ( 1 Bank of 32Kx32, 64Kx32):

Internal

64bit

linear

Address

6508 Pad(64bit mode)

6508 Package

Address Pin

SRAM Address Pin

SRAM chip

select

IA15

SA15 = IA14

SA15 =

IA14

A15 = IA14

N/A for 32kx32

IA14

SA14 = IA13

SA14 =

IA13

A14 = IA13

IA13

SA13 = IA12

SA13 =

IA12

A13 = IA12

IA12

SA12 = IA11

SA12 =

IA11

A12 = IA11

IA11

SA11 = IA10

SA11 =

IA10

A11 = IA10

IA10

SA10 = IA9

A10 = IA9

IA9

SA9 = IA8

A9 = IA8

IA8

SA8 = IA7

A8 = IA7

IA7

SA7 = IA6

A7 = IA6

IA6

SA6 = IA5

A6 = IA5

IA5

SA5 = IA4

A5 = IA4

IA4

SA4 = IA3

A4 = IA3

IA3

SA3 = IA2

A3 = IA2

IA2

SA2 = IA1

A2 = IA1

IA1

SA1 = IA0

A1 = IA0

IA0

SA0 = 0

(internally)

N/A

A0 = 0(directly tie

to ground)

VT6508 Datasheet(PDF) 30 Page - List of Unclassifed Manufacturers

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