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參數資料
| 型號： | W6693A |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | USB Bus ISDN S/T Interface Controller(USB總線的ISDN S/T接口控制器) |
| 中文描述： | USB總線綜合業務數字網的S / T接口控制器（綜合業務數字網的USB總線的S / T的接口控制器） |
| 文件頁數： | 24/32頁 |
| 文件大小： | 423K |
| 代理商： | W6693A |
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Preliminary Data Sheet
W6694 Passive USB-ISDN S/T-Controller
-24-
Publication Release Date: March., 2000
Revision 0.93
1: The previous transmission is in progress.
Test Loopback
When set this bit both the GCIDU and GCIDD lines are internally connected together. The GCI mode loopback test
function: GCIDU is internally connected with GCIDD, external input on GCIDD is ignored.
GRLP GCI Mode Remote Loopback
Setting this bit to 1 activates the remote loopback function. The 2B+D channels data received from the GCI bus
interface are looped to the transmitted channels.
SPU
Software Power Up
PD
Power Down
SPU
PD
0
1
After U transceiver power down, W6694 will receive the indication DC (Deactivation Confirmation) from
GCI bus and then software has to set SPU
→
0, PD
→
1 to acknowledge U transceiver, by pulling GCIDU
line to HIGH. W6694 remains normal operation.
1
0
Setting SPU
→
1, PD
→
0 will pull the GCI bus GCIDU line to LOW. This will enforce connected layer 1
devices (U transceiver) to deliver GCI bus clocking.
0
0
After reception of the indication PU (Power Up indication) the reaction of the microprocessor should be:
-
To write an AR (Activate Request command) as C/I command code in the CIX register.
- To reset the SPU bit and wait for the following ICC (indication code change) interrupt.
1
1
Unused.
GE
GCI Mode Enable
Setting this bit to 1 will enable the GCI bus interface. In the same time, the S/T layer 1 function is disabled.
TLP
Description
8.3.2 Monitor Channel Control Register
Value after reset: 00h
7
6
0
0
MRIE Monitor Channel 0 Receive Interrupt Enable
Monitor channel interrupt status MDR, MER generation is enabled (1) or masked (0).
MRC MR Bit Control
Determines the value of the MR bit:
0: MR bit always 1. In addition, the MDR interrupt is blocked, except for the first byte of a packet (if MRIE=1).
1: MR internally controlled according to Monitor channel protocol. In addition, the MDR interrupt is enabled for all
bytes according to the Monitor channel protocol (if MRIE=1).
MXIE Monitor Channel Transmit Interrupt Enable
Monitor interrupt status MDA, MAB generation is enabled (1) or masked (0).
MXC MX Bit Control
Determines the value of the MX bit:
0: MX always 1.
MOCR
Read/Write Address 07h
5
0
4
0
3
2
1
0
MRIE
MRC
MXIE
MXC
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W6694 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:USB Bus ISDN S/T-Controller |
| W6694A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TE Mode S/T Controller with USB 1.1 Interface |
| W6694CD | 制造商:WINBOND 制造商全稱:Winbond 功能描述:USB Bus ISDN S/T-Controller |
| W66ARX-18 | 制造商:Magnecraft 功能描述: |
| W66MAF185X | 制造商:Panasonic Industrial Company 功能描述:CRT |
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