VT6516 datasheet(14/73 Pages) ETC

14 / 73 page

VIA Technologies, Inc.

Preliminary VT6516 Datarsheet

-14-

PIN DESCRIPTIONS

No.

Name

Type

Description

SDRAM Interface

See Ball

Table

MD[63:0]

I/O

SDRAM Data:

64-bit SDRAM data bus. These signals connect directly to the data

input/output pins of the SDRAM devices.

See Ball

Table

MA[11:0]

SDRAM Address Bus:

12-bit SDRAM data bus. These signals connect directly to the address

input of the SDRAM devices.

See Ball

Table

BA[1:0]

Bank Identifier for Bank 0 and 1:

See Ball

Table

RAS

[1:0]

Row Address Strobes for Bank 0 and 1:

DRAM row address strobes. RAS [0] is used for Bank 0. RAS [1] is used

for Bank 1.

See Ball

Table

CAS

[1:0]

Column Address Strobes for Bank 0 and 1:

DRAM column address strobes. CAS [0] is used for Bank 0. CAS [1] is

used for Bank 1.

See Ball

Table

DWE

[1:0]

DRAM Write Enable for Bank 0 and 1:

See Ball

Table

DCS

[3:0]

DRAM Chip Select:

VT-3061A supports at most 4 SDRAM DIMM modules.

SRAM Interface

See Ball

Table

SD[31:0]

I/O

SRAM Data:

32-bit SRAM data bus. These signals connect directly to the data

input/output pins of the SRAM devices.

See Ball

Table

SA[17:0]

SRAM Address Bus:

18-bit SDRAM data bus. These signals connect directly to the address

input of the SDRAM devices.

See Ball

Table

SCS

[4:0]

SRAM Chip Select:

SRAM Type

Chip Select Pins

Address Pins

----------------

----------------------

------------------

32KBx32

SCS[0] & SA[15]

SA[14:0]

64KBx32

SCS[0] & SA[16]

SA[15:0]

128KBx32

SCS[0] & SA[17]

SA[16:0]

256KBx32

SCS[0]

SA[17:0]

See Ball

Table

SADS

[1:0]

Synchronous Processor Address Status

See Ball

Table

SOE

[1:0]

Output Enable

See Ball

Table

SWE

[1:0]

SRAM Write Enable:

Miscellaneous Interface

VT6516 Datasheet(PDF) 14 Page - List of Unclassifed Manufacturers

VT6516 Datasheet(HTML) 14 Page - List of Unclassifed Manufacturers

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73

Datasheet Download

Link URL