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| 型號： | DS21554L |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Digital Transmission Interface |
| 英文描述： | DATACOM, PCM TRANSCEIVER, PQFP100 |
| 封裝： | 14 X 14 MM, LQFP-100 |
| 文件頁數(shù)： | 62/117頁 |
| 文件大?。?/td> | 698K |
| 代理商： | DS21554L |
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DS21354 & DS21554
49 of 117
For example, voice channel 1 is associated with timeslot 1 (Channel 2) and voice channel 30 is associated
with timeslot 31 (Channel 32). There is a set of 16 registers for the receive side (RS1 to RS16) and 16
registers on the transmit side (TS1 to TS16). The signaling registers are detailed below.
RS1 TO RS16: RECEIVE SIGNALING REGISTERS (Address=30 to 3F Hex)
(MSB)
(LSB)
0
X
Y
X
RS1 (30)
A(1)
B(1)
C(1)
D(1)
A(16)
B(16)
C(16)
D(16)
RS2 (31)
A(2)
B(2)
C(2)
D(2)
A(17)
B(17)
C(17)
D(17)
RS3 (32)
A(3)
B(3)
C(3)
D(3)
A(18)
B(18)
C(18)
D(18)
RS3 (33)
A(4)
B(4)
C(4)
D(4)
A(19)
B(19)
C(19)
D(19)
RS5 (34)
A(5)
B(5)
C(5)
D(5)
A(20)
B(20)
C(20)
D(20)
RS6 (35)
A(6)
B(6)
C(6)
D(6)
A(21)
B(21)
C(21)
D(21)
RS7 (36)
A(7)
B(7)
B(22)
RS8 (37)
A(8)
B(8)
C(8)
D(8)
A(23)
B(23)
C(23)
D(23)
RS9 (38)
A(9)
B(9)
C(9)
D(9)
A(24)
B(24)
C(24)
D(24)
RS10 (39)
A(10)
B(10)
C(10)
D(10)
A(25)
B(25)
C(25)
D(25)
RS11 (3A)
A(11)
B(11)
C(11)
D(11)
A(26)
B(26)
C(26)
D(26)
RS12 (3B)
A(12)
B(12)
C(12)
D(12)
A(27)
B(27)
C(27)
D(27)
RS13 (3C)
A(13)
B(13)
C(13)
D(13)
A(28)
B(28)
C(28)
D(28)
RS14 (3D)
A(14)
B(14)
C(14)
D(14)
A(29)
B(29)
C(29)
D(29)
RS15 (3E)
A(15)
B(15)
C(15)
D(15)
A(30)
B(30)
C(30)
D(30)
RS16 (3F)
SYMBOL
POSITION NAME AND DESCRIPTION
X
RS1.0/1/3
Spare Bits.
Y
RS1.2
Remote Alarm Bit (integrated and reported in SR1.6).
A(1)
RS2.7 1.
Signaling Bit A for Channel 1
D(30)
RS16.0
Signaling Bit D for Channel 30.
Each Receive Signaling Register (RS1 to RS16) reports the incoming signaling from two timeslots. The
bits in the Receive Signaling Registers are updated on multiframe boundaries so the user can utilize the
Receive Multiframe Interrupt in the Receive Status Register 2 (SR2.7) to know when to retrieve the
signaling bits. The user has a full 2 ms to retrieve the signaling bits before the data is lost. The RS
registers are updated under all conditions. Their validity should be qualified by checking for
synchronization at the CAS level. In CCS signaling mode, RS1 to RS16 can also be used to extract
signaling information. Via the SR2.7 bit, the user will be informed when the signaling registers have been
loaded with data. The user has 2 ms to retrieve the data before it is lost. The signaling data reported in
RS1 to RS16 is also available at the RSIG and RSER pins.
A change in the signaling bits from one multiframe to the next will cause the RSA1 (SR1.7) and RSA0
(SR1.5) status bits to be set at the same time. The user can enable the INT* pin to toggle low upon
detection of a change in signaling by setting either the IMR1.7 or IMR1.5 bit. Once a signaling change
has been detected, the user has at least 1.75 ms to read the data out of the RS1 to RS16 registers before
the data will be lost.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS21554LN | DATACOM, PCM TRANSCEIVER, PQFP100 |
| DS2155G | DATACOM, FRAMER, PBGA100 |
| DS21600SN | PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16 |
| DS21600N | PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDIP8 |
| DS2155LN | DATACOM, FRAMER, PQFP100 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS21554L+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21554LB | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21554LB+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21554LBN | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21554LBN+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
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