參數(shù)資料
型號: GL640USB-A
廠商: Electronic Theatre Controls, Inc.
英文描述: Pin Strip Header; No. of Contacts:36; Pitch Spacing:0.1"; No. of Rows:1; Contact Material:Copper Alloy; Contact Plating:Gold; Leaded Process Compatible:Yes; Mounting Type:PCB Straight Thru Hole; Peak Reflow Compatible (260 C):No RoHS Compliant: Yes
中文描述: 符合IEEE - 1284的USB橋接
文件頁數(shù): 22/39頁
文件大?。?/td> 2027K
代理商: GL640USB-A
Revision 1.1
Jun. 7, 1999
-21-
GL640USB, GL640USB-A
An
CHK
-
This bit is used to select the type of EPP read engine
1 – EPP engine will check
An
pin before starting an EPP cycle.
0 – EPP engine doesn’t check
An
pin ,
n
=0~2
ACTIVE
-
Select the
An
pin polarity
1 – active high for data ready 0 – active low for data ready
WRCHK
-
Select EPP check status during write or read
1- Check during EPP write cycle
0 – check during EPP read cycle
GLTHFLT -
Filter glitches on WAIT_
1- Enable filter, performance maybe slow down
0 – Disable filter
EPPAD
( offset 9Fh )
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
EPPAD7
EPPAD6
EPPAD5
EPPAD4
EPPAD3
EPPAD2
EPPAD1
EPPAD0
This register is used to set/read pins D7-0.
To set D7-0, except writing EPPAD, the ADOE bit of EPPCTL register is set to 1
Read this register can get the status of pins D7-0.
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