參數(shù)資料
型號(hào): AL440B
廠(chǎng)商: Electronic Theatre Controls, Inc.
元件分類(lèi): 圓形連接器
英文描述: Circular Connector; No. of Contacts:128; Series:MS27497; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:24; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No
中文描述: 4Mbits(為512k × 8位)FIFO存儲(chǔ)器
文件頁(yè)數(shù): 15/33頁(yè)
文件大小: 672K
代理商: AL440B
AL440B
AL440B
November 28, 2001
15
WXSIZE_L and WXSIZE_H define the window data write horizontal size.
Addr
Name
Bit7
04h
WXSIZE_L
[7]
05h
WXSIZE_H
0
WXSIZE (Write X Size) <= WXSIZE_H[2:0] & WXSIZE_L ;
WXSIZE range is from 0 to 1023 (block).
WXSTRIDE_L and WXSTRIDE_H define the window data write horizontal width.
Addr
Name
Bit7
06h
WSTRIDE_L
[7]
07h
WSTRIDE_H
0
WSTRIDE (Write Stride) <= WSTRIDE_H[4:0] & WSTRIDE _L ;
WSTRIDE range is from –4096 to +4095 (block).
When the value of WSTRIDE is negative, it is used to implement Y-Mirror function.
WYSIZE_L and WYSIZE_H define the window data write vertical high.
Addr
Name
Bit7
Bit6
08h
WYSIZE_L
[7]
[6]
09h
WYSIZE_H
[15]
[14]
WYSIZE (Write Y Size) <= WYSIZE_H & WYSIZE_L ;
Write Y Size range is from 0 to 65535 (unsign).
WWCTRL is the register that control window data write function enable/disable and the window
mirroring write.
Addr
Name
Bit7
Bit6
0Ah
WWCTRL
[7]
[6]
WWCTRL[7] Window Write mode enable
1:
enable Window Write mode
0:
disable Window Write mode. The memory is operating in standard FIFO write
mode.
WWCTRL[6] X-mirror function enable
1:
enable X-mirror function
0:
disable X-mirror function
WWCTRL[5] Freeze function enable. This function is as same as hardware “Write Mask” function.
When Window Write mode is enabled, software freeze function override hardware
Write Mask function. On the other hand, in FIFO mode (WWCTRL[7] = ‘0’), Register
WWCTRL[5] is ignored.
1:
enable software Freeze function
0:
disable software Freeze function
A mirroring read/write function can be cooperated with the window-block data access function. By
turning on the mirroring read/write function in the window block access mode, write data can be
Bit6
[6]
0
Bit5
[5]
0
Bit4
[4]
0
Bit3
[3]
0
Bit2
[2]
0
Bit1
[1]
[9]
Bit0
[0]
[8]
Bit6
[6]
0
Bit5
[5]
0
Bit4
[4]
[12]
Bit3
[3]
[11]
Bit2
[2]
[10]
Bit1
[1]
[9]
Bit0
[0]
[8]
Bit5
[5]
[13]
Bit4
[4]
[12]
Bit3
[3]
[11]
Bit2
[2]
[10]
Bit1
[1]
[9]
Bit0
[0]
[8]
Bit5
[5]
Bit4
0
Bit3
0
Bit2
0
Bit1
0
Bit0
0
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