參數(shù)資料
型號(hào): DS2174QN+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 3/24頁(yè)
文件大小: 0K
描述: IC BERT ENHANCED 44-PLCC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 26
功能: 增強(qiáng)型位誤碼率測(cè)試器(EBERT)
接口: E1,J1,T1
電路數(shù): 1
電源電壓: 3 V ~ 3.6 V
電流 - 電源: 50mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 44-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 44-PLCC(16.59x16.59)
包裝: 管件
包括: 錯(cuò)誤計(jì)數(shù)器,樣式發(fā)生器和檢測(cè)器
DS2174
11 of 24
3. CONTROL REGISTERS
Control Register 1 (Address = 0h)
(MSB)
(LSB)
SYNCE
RSYNC
LC
LPBK
QRSS
PS
LSB
TL
SYMBOL
FUNCTION
SYNCE
SYNC Enable
0 = Auto resync enabled
1 = Auto resync disabled
RSYNC
Initiate Manual Resync Process. A rising edge causes the device to go
out of sync and begin resynchronization process.
LC
Latch Count Registers. A rising edge copies the bit count and bit error
count accumulators to the appropriate registers. The accumulators are
then cleared.
LPBK
Transmit/Receive Loopback Select
0 = Loopback disabled
1 = Loopback enabled
QRSS
Zero Suppression Select. Forces a 1 into the pattern whenever the next
14 bit positions are all 0’s. Should only be set when using the QRSS
pattern.
0 = Disable 14 zero suppression
1 = Enable 14 zero suppression per T1.403
PS
Pattern Select
0 = Pseudorandom pattern
1 = Repetitive pattern
LSB
LSB/MSB
0 = Repetitive pattern data is transmitted/received MSB first
1 = Repetitive pattern data is transmitted/received LSB first
TL
Transmit Load. A rising edge causes the transmit shift register to be
loaded with the seed value.
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