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參數資料
| 型號： | W9961CF |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 消費家電 |
| 英文描述： | H.263/H.261 Video Codec |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP208 |
| 封裝： | 28 X 28 MM, 2.60 MM HEIGHT, PLASTIC, QFP-208 |
| 文件頁數： | 12/65頁 |
| 文件大小： | 344K |
| 代理商： | W9961CF |
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W9961CF
- 12 -
INTA#
206
TS
Interrupt Request. Asserted low, level sensitive.
STOP#
29
STS
Stop. Asserted to request the master to stop the current
transaction.
DEVSEL#
28
STS
Device Select. Asserted to indicate the W9961CF has decoded
its address as the target of the current access.
IDSEL
12
I
Initialization Device Select. Used as chip select during
configuration read and write transactions.
PERR#
31
STS
Parity Error. It is only for the reporting of data parity errors
during the PCI transactions. The W9961CF cannot report a
PERR# until it has claimed the access by asserting DEVSEL#
and completed a data phase.
SERR#
32
TS
System Error. It is for reporting address parity errors, or any
other system error where the result will be catastrophic.
PCICLK
208
I
PCI System Clock. Up to 33 Mhz for W9961CF.
RST#
207
I
System Reset.
Video Memory Interface (55 pins)
Pin Name
Pin Number
Type
Description
MD[31:0]
120-115,113-
109, 107, 106,
104-102, 96-
91, 89-83, 81-
79
B
Data Bus.
Note: MD[15:0] are also used as the system configuration
strapping bits, providing system configuration and setup
information upon power-on or reset.
MA[10:0]
65-62, 60, 59,
57-53
O
Address Bus.
Note: for SDRAM, MA[10:0] are sampled during the ACTIVE
command (row address MA[10:0]) and READ/WRITE command
(column address MA[7:0], with MA10 defining AUTO
PRECHARGE) to select one location out of the 512K available
in the respective bank. MA10 is sampled during a
PRECHARGE command to determine if all banks are to be
precharged (MA10 HIGH).
RAS[1:0]#
CS[1:0]#
100, 78
O
EDO DRAM: Row Address Strobes.
SDRAM: Chip Select. CS[1:0]# enable the command decoder
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