參數(shù)資料
型號(hào)： TP3410J304
英文描述： IC-ISDN TRANSCEIVER
中文描述： 集成電路- ISDN的收發(fā)器
文件頁數(shù)： 6/32頁
文件大?。?/td> 332K
代理商： TP3410J304
Functional Description
(Continued)
TABLE 1. 2B1Q Superframe Format and Overhead Bit Assignments
(a) Network
→
NT
Framing
1–9
1–18
Sync Word
ISW
SW
SW
SW
SW
SW
SW
SW
ISW
12x(2B+D)
10–117
19–234
2B+D
2B+D
2B+D
2B+D
2B+D
2B+D
2B+D
2B+D
2B+D
Overhead Bits (M
1
–M
6
)
119s
237
M
3
eoca
3
eoci
2
eoci
5
eoci
8
eoca
3
eoci
2
eoci
5
eoci
8
Quat Positions
Bit Positions
Basic Frame
#
1
2
3
4
5
6
7
8
1
118s
235
M
1
eoca
1
eocd
m
eoci
3
eoci
6
eoca
1
eocd
m
eoci
3
eoci
6
118m
236
M
2
eoca
2
eoci
1
eoci
4
eoci
7
eoca
2
eoci
1
eoci
4
eoci
7
119m
238
M
4
act
dea
1
1
1
1
uoa
aib
120s
239
M
5
1
1
crc
1
crc
3
crc
5
crc
7
crc
9
crc
11
120m
240
M
6
1
febe
crc
2
crc
4
crc
6
crc
8
crc
10
crc
12
Superframe
#
1
2, 3, …
TABLE 2. 2B1Q Superframe Format and Overhead Bit Assignments
(b) NT
→
Network
Framing
1–9
1–18
Sync Word
ISW
SW
SW
SW
SW
SW
SW
SW
ISW
12x(2B+D)
10–117
19–234
2B+D
2B+D
2B+D
2B+D
2B+D
2B+D
2B+D
2B+D
2B+D
Overhead Bits (M
1
–M
6
)
119s
237
M
3
eoca
3
eoci
2
eoci
5
eoci
8
eoca
3
eoci
2
eoci
5
eoci
8
Quat Positions
Bit Positions
Basic Frame
#
1
2
3
4
5
6
7
8
1
118s
235
M
1
eoca
1
eoc
dm
eoci
3
eoci
6
eoca
1
eoc
dm
eoci
3
eoci
6
118m
236
M
2
eoca
2
eoci
1
eoci
4
eoci
7
eoca
2
eoci
1
eoci
4
eoci
7
119m
238
M
4
act
ps
1
ps
2
ntm
cso
1
1
1
120s
239
M
5
1
1
crc
1
crc
3
crc
5
crc
7
crc
9
crc
11
120m
240
M
6
1
febe
crc
2
crc
4
crc
6
crc
8
crc
10
crc
12
Superframe
#
1
2, 3, …
Note 3:
8 x 1.5 ms Basic Frames = 12 ms/Superframe. NT-to-Network superframe is offset from Network-to-NT superframe by 60
±
2 quats (about 0.75 ms). All bits
other than the Sync Word are scrambled.
Symbols & Abbreviations
act
aib
=
=
start-up bit (= 1 during start-up)
alarm indication bit (= 0 to indicate
interruption)
cyclic redundacy check: covers 2B+D + M
4
1
=
most significant bit
2
=
next significant bit etc.
cold-start-only bit (= 1 to indicate
cold-start-only)
turn off bit (= 0 to announce turn off)
embedded operations channel
a
=
address bits
dm=
data/message indicator (0 = data,
1 = message)
i
=
information (data or message)
crc
=
cso
=
dea
eoc
=
=
febe
=
far end block error bit (= 0 for errored
superframe)
NT in test mode bit (= 0 to indicate test
mode)
power status bits (= 0 to indicate power
problems)
pair of bits forming quaternary symbol
s
=
sign bit (first in quat)
m =
magnitude bit (second in quat)
S-activation-indication bit (= 1 for S/T
activity)
U-only-activation bit (= 1 to activate S/T)
reserved bit for future standard (= 1)
network indicator bit (= 1, reserved for
network use)
user data, bits 19–234 in frame
ntm
=
ps1, ps2 =
Quat
=
sai
=
uoa
“1”
“1
*
”
=
=
=
2B+D
=
PrintDate=1997/07/09 PrintTime=13:38:03 1109 ds009151 Rev. No. 1
Proof
6
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6
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TP3410J-304 制造商:Texas Instruments 功能描述:ISDN LINE INTERFACE, BASIC, 28 Pin, Ceramic, DIP
TP3410J304/NOPB 功能描述:IC TRANSCEIVER MONOLITHIC 28CDIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR)
TP3410J304-X 功能描述:IC TXRX ISDN BASIC ACC 28-CERDIP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR)
TP3410N304 制造商:OC White Company 功能描述:ISDN U HDLC Interface 1-Line 160Kbps 5V 28-Pin CDIP
TP3420A 制造商:NSC 制造商全稱:National Semiconductor 功能描述:ISDN S/T Interface Device
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