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参数资料
| 型号： | YTD423 |
| 厂商： | Yamaha Corporation |
| 英文描述： | ISDN BRI Controller With B-ch HDLC Controllers(带B通道高级数据链路控制器的ISDN BRI控制器) |
| 中文描述： | 业务数字网端口控制器与B通道的HDLC控制器（带乙通道高级数据链路控制器的业务数字网端口控制器） |
| 文件页数： | 6/11页 |
| 文件大小： | 210K |
| 代理商： | YTD423 |
2
BLOCK
DIA
GRAM
2.1
User
Net
w
ork
In
terface
Blo
c
k
Diagram
YTD423
is
the
most-suited
LSI
for
terminal
equipmen
tsuc
h
as
terminal
adapters
and
ISDN
telephones
and
for
PHS
base
stations.
YTD423
con
tains
la
y
er
1
and
la
y
er
2
functions
as
w
ell
as
the
HDLC
con
troller
and
DMA
con
troller
for
the
B
c
hannel.
Because
of
this,
terminal
equipmen
t
can
b
e
optimally
con gured
b
y
adding
few
circuits
suc
has
the
la
y
er
3
con
trol
pro
cessor
and
analog
driv
er/receiv
er.
The
blo
c
k
diagram
of
the
user
net
w
ork
in
terface
with
YTD423
is
sho
wn
in
Figure
1.
ISDN
Network
YTD423
User's premises
TE1
(ISDN terminal)
NT2
(PBX etc.)
NT1
(DSU)
TE2
(Non-ISDN terminal)
TA(Terminal Adapter)
TE1
TA with built-in DSU
TE1
TE2
T
S/T
R
U
RS
SU
S/T
YTD421
(Driver / Receiver)
YTD428
(DSU)
Figure
1:
User
Net
w
ork
In
terface
Blo
c
k
Diagram
4
相关PDF资料 |
PDF描述 |
|---|---|
| YTD427 | ISDN DSU Analog Front End |
| YTD428-S | DATACOM, DIGITAL SLIC, PQFP100 |
| YTD428 | DSU LSI for the ISDN Terminal Equipment(用于ISDN终端设备的数据服务集成电路) |
| YTD436-S | DATACOM, ISDN CONTROLLER, PQFP100 |
| YTD436 | ISDN BRI controller with S/T ref. pt. analog D/R(带S/T基准和模拟D/R的ISDN BRI控制器) |
相关代理商/技术参数 |
参数描述 |
|---|---|
| YTD423-S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC |
| YTD426BS | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC |
| YTD427 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:ISDN DSU Analog Front End |
| YTD427F | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC |
| YTD428 | 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:DSU LSI for the ISDN Terminal Equipment |
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