MB86391 データシートの表示（PDF） - Fujitsu

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MB86391

MPEG2 1chip Audio/Video Encoder

Fujitsu 

2.3.4 SDRAM Interface for Video Encoding

FUJITSU LIMITED

Proprietary and Confidential

Table 2.3.4: SDRAM interface pins for video encoding

Pin No.

196,195,191,

188 to 183,

192 to 194

163 to 159,

156 to 154,

164,165,

167 to 172,

144,143,

140 to 135,

145 to 149,

151 to 153

175

176

177

178

179

180

181

Pin symbol

Pin name

Bit I/O Active

Pull

up/down

Pin function

SDADRS11:0

SDRAM

Address

12 O −

SDDATA31:0

SDRAM

Data

32 I/O

−

−

pullup

Address output (12bits) pins to SDRAM

connected to the video encoding SDRAM

interface

Data I/O (32bits) pins to SDRAM

connected to the video encoding SDRAM

interface

SDDQM

XSDWE

XSDCAS

XSDRAS

XSDCS

SDCKE

SDCLK

Input Mask

/Output 1 O H

Enable

Write

Enable

1O

L

Column

Address 1 O L

Strobe

Row

Address 1 O L

Strobe

Chip Select 1 O L

Clock

Enable

1O

H

SDRAM

Clock

1O

−

Data mask output pin to SDRAM

−

connected to the video encoding SDRAM

interface

Write enable output pin to SDRAM

−

connected to the video encoding SDRAM

interface

Column address strobe output pin to

−

SDRAM connected to the video encoding

SDRAM interface

Row address strobe output pin to SDRAM

−

connected to the video encoding SDRAM

interface

Chip select output pin to SDRAM

−

connected to the video encoding SDRAM

interface

Clock enable output pin to SDRAM

−

connected to the video encoding SDRAM

interface

−

Clock output pin to SDRAM connected to

the video encoding SDRAM interface

MB86391

Product Specification

Rev. 1.1

12, November 2001

12

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