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參數(shù)資料
型號(hào): W6691
廠商: WINBOND ELECTRONICS CORP
英文描述: ISDN S/T Interface Transceiver
中文描述: 綜合業(yè)務(wù)數(shù)字網(wǎng)的S / T接口收發(fā)器
文件頁數(shù): 84/106頁
文件大小: 428K
代理商: W6691
Preliminary W6691
Publication Release Date: Sep 2001
84 Revision 1.1
B1SW1 / B1SW0 B1 channel Switch
These two bits determine B1 channel switch among PCM port , GCI and Layer2.
00: Select B1 channel switch between Layer2 and Layer1/GCI.
01: Select B1 channel switch between Layer1/GCI and PCM.
10: Select B1 channel switch between PCM and Layer2.
8.9.6 ACTL1 Auxiliary Control Register 1
Read/Write
Address 3DH
Value after reset : 00H
7
6
5
4
3
2
1
0
0
0
SRST
0
0
PD
OPS1
OPS0
SRST Software Reset
When this bit is set to "1" 1ms at least, a software reset signal is activated. The effect of the reset signal is
same as the hardware reset.
This bit is not auto-clear, the software must write "0" to this bit to exit from the reset mode.
Note
: When SRST = 1, the chip is in reset state. Read or write to any of the registers is inhibited at this
moment.
PD Power Down
After hardware reset or software rest, PD bit is set to “0”. It means W6691system clock is powered up after
reset.
0: Power Down Disable. W6691 system clock is not allowed to be powered down.
1: Power Down Enable. If S interface can not receive non info 0 signal from line, W6691 enter power down
mode automatically.
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