MB86391 Datasheet, PDF (16/69 Pages) Fujitsu Component Limited. – MPEG2 1chip Audio/Video Encoder

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