參數(shù)資料
型號: DS21Q43AT
廠商: Maxim Integrated Products
文件頁數(shù): 31/60頁
文件大小: 0K
描述: IC FRAMER E1 QUAD 5V IND 128TQFP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 72
控制器類型: E1 調(diào)幀器
接口: 并行/串行
電源電壓: 4.5 V ~ 5.5 V
電流 - 電源: 32mA
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 128-LQFP
供應商設備封裝: 128-LQFP(14x20)
包裝: 管件
產(chǎn)品目錄頁面: 1429 (CN2011-ZH PDF)
DS21Q43A
37 of 60
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.
TS1 TO TS16: TRANSMIT SIGNALING REGISTERS (Address=40 to 4F Hex)
(MSB)
(LSB)
0
X
Y
X
TS1 (40)
A(1)
B(1)
C(1)
D(1)
A(16)
B(16)
C(16)
D(16)
TS2 (41)
A(2)
B(2)
C(2)
D(2)
A(17)
B(17)
C(17)
D(17)
TS3 (42)
A(3)
B(3)
C(3)
D(3)
A(18)
B(18)
C(18)
D(18)
TS4 (43)
A(4)
B(4)
C(4)
D(4)
A(19)
B(19)
C(19)
D(19)
TS5 (44)
A(5)
B(5)
C(5)
D(5)
A(20)
B(20)
C(20)
D(20)
TS6 (45)
A(6)
B(6)
C(6)
D(6)
A(21)
B(21)
C(21)
D(21)
TS7 (46)
A(7)
B(7)
C(7)
D(7)
A(22)
B(22)
C(22)
D(22)
TS8 (47)
A(8)
B(8)
C(8)
D(8)
A(23)
B(23)
C(23)
D(23)
TS9 (48)
A(9)
B(9)
C(9)
D(9)
A(24)
B(24)
C(24)
D(24)
TS10 (49)
A(10)
B(10)
C(10)
D(10)
A(25)
B(25)
C(25)
D(25)
TS11 (4A)
A(11)
B(11)
C(11)
D(11)
A(26)
B(26)
C(26)
D(26)
TS12 (4B)
A(12)
B(12)
C(12)
D(12)
A(27)
B(27)
C(27)
D(27)
TS13 (4C)
A(13)
B(13)
C(13)
D(13)
A(28)
B(28)
C(28)
D(28)
TS14 (4D)
A(14)
B(14)
C(14)
D(14)
A(29)
B(29)
C(29)
D(29)
TS15 (4E)
A(15)
B(15)
C(15)
D(15)
A(30)
B(30)
C(30)
D(30)
TS16 (4F)
SYMBOL
POSITION
NAME AND DESCRIPTION
X
TS1.0/1/3
Spare Bits.
Y
TS1.2
Remote Alarm Bit.
A(1)
TS2.7
Signaling Bit A for Channel 1.
D(30)
TS16.0
Signaling Bit D for Channel 30.
Each Transmit Signaling Register (TS1 to TS16) contains the CAS bits for two timeslots that will be
inserted into the outgoing stream if enabled to do so via TCR1.5.
On multiframe boundaries, the
DS21Q43A will load the values present in the Transmit Signaling Register into an outgoing signaling
shift register that is internal to the device. The user can utilize the Transmit Multiframe bit in Status
Register 2 (SR2.5) to know when to update the signaling bits. The bit will be set every 2 ms and the user
has 2 ms to update the TSRs before the old data will be retransmitted.
The TS1 register is special because it contains the CAS multiframe alignment word in its upper nibble.
The upper nibble must always be set to 0000 or else the terminal at the far end will lose multiframe
synchronization. If the user wishes to transmit a multiframe alarm to the far end, then the TS1.2 bit
should be set to a 1. If no alarm is to be transmitted, then the TS1.2 bit should be cleared. The three
remaining bits in TS1 are the spare bits. If they are not used, they should be set to 1. In CCS signaling
mode, TS1 to TS16 can also be used to insert signaling information. Via the SR2.5 bit, the user will be
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