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參數(shù)資料
| 型號(hào)： | GL640 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | CONN HEADER .100 SNGL STR 36POS |
| 中文描述： | 符合IEEE - 1284的USB橋接 |
| 文件頁數(shù)： | 25/39頁 |
| 文件大?。?/td> | 2027K |
| 代理商： | GL640 |
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Revision 1.1
Jun. 7, 1999
-24-
GL640USB, GL640USB-A
RXCTL0
( offset 13h )
R/W
R/O
R/O
R/O
R/O
R/O
R/O
R/O
RXDIS
RXSETUP
RXOUT
RXSEQ
RXCNT3
RXCNT2
RXCNT1
RXCNT0
Default=8’h0e
This register is used to check the received data byte count, data toggle, and transaction token on endpoint
0. When the EP0RX interrupt is detected, firmware should first check this register to decide the received
data is valid or not. At this time, RXDIS bit is set by hardware to prevent the current data in endp0 FIFO
overwritten by next incoming data. After extracting data from endp0 FIFO, firmware should clear RXDIS to
enable receiving capability on endp0.
RXCNT[3:0]
-
Received data byte count.
RXSEQ
-
1 - The received data is DATA1
0 - The received data is DATA0
RXOUT
-
1 - The received token is OUT.
RXSETUP -
1 - The received token is SETUP.
RXDIS
-
Disable receiving capability on endpoint 0
Upon successfully receiving a data packet on endpoint 0, hardware will
automatically set this bit to ‘1’. At this time, no more SETUP/OUT data on
endpoint 0 can be accepted, hardware will respond with NAK.
0 - Endp0 FIFO is available for data receiving.
1 – Endp0 FIFO is not available
Note: Firmware must take care the data toggle check and decide if current RX data is valid.
TXCTL0
( offset 14h )
R/W
R/W
R/W
R/W
R/W
R/W
TXOE
TXSEQ
TXCNT3
TXCNT2
TXCNT1
TXCNT0
Default=8’h00
This register is used to control the data byte count, data toggle of the transmitted data on endpoint 0. If
there is data to be sent to endpoint 0, firmware should first push data into FFDAT0 register, and then set the
pushed byte count to TXCNT3-0, set the data toggle to TXSEQ, and finally turn on TXOE to enable the data
transmission.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| GL640USB | IEEE-1284 to USB Bridge |
| GL640USB-A | 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 |
| GL646 | PLUG HEADER 2.5A |
| GL646USB | Three-in-one Scanner Controller for USB and 1394 |
| GL652 | USB 7 PORT HUB CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GL640USB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IEEE-1284 to USB Bridge |
| GL640USB-A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IEEE-1284 to USB Bridge |
| GL641USB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:USB ATA/ATAPI/ COMPACT FLASH CARD CONTROLLER |
| GL646 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Three-in-one Scanner Controller for USB and 1394 |
| GL646USB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Three-in-one Scanner Controller for USB and 1394 |
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