參數(shù)資料
型號(hào)： DS2172
廠商： DALLAS SEMICONDUCTOR
元件分類： Telecom IC:Other
英文描述： SPECIALTY TELECOM CIRCUIT, PQFP32
封裝： TQFP-32
文件頁(yè)數(shù)： 19/20頁(yè)
文件大?。?/td> 212K
代理商： DS2172
DS2172
8 of 20
6.0 PATTERN CONTROL REGISTER
The Pattern Control Register (PCR) is used to configure the operating parameters of the DS2172 and to
control the patterns being generated and received. Also the PCR is used to control the pattern
synchronizer and the error and bit counters.
PCR: PATTERN CONTROL REGISTER (Address=06 Hex)
(MSB)
(LSB)
TL
QRSS
PS
LC
RL
SYNCE
RESYNC
LPBK
SYMBOL
POSITION
NAME AND DESCRIPTION
TL
PCR.7
Transmit Load. A low to high transition loads the pattern
generator with the contents of the Pattern Set Registers. PCR.7 is
logically ORed with the input pin TL. Must be cleared and set
again for subsequent loads.
QRSS
PCR.6
Zero Suppression Select. Forces a 1 into the pattern whenever
the next 14 bit positions are all 0s. Should only be set when
using the QRSS pattern.
0 = Zero suppression disabled
1 = Zero suppression enabled
PS
PCR.5
Pattern Select.
0 = Repetitive Pattern
1 = Pseudorandom Pattern
LC
PCR.4
Latch Count Registers. A low to high transition latches the bit
and error counts into the user accessible registers BCR and
BECR and clears the internal register count. PCR.4 is logically
OR’ed with input pin LC. Must be cleared and set again for
subsequent loads.
RL
PCR.3
Receive Data Load. A transition from low to high loads the
previous 32 bits of data received at RDATA into the Pattern
Receive Registers (PRR). PCR.3 is logically OR’ed with input
pin RL. Must be cleared and set again for subsequent latches.
SYNCE
PCR.2
SYNC Enable.
0 = auto resync is enabled.
1 = auto resync is disabled.
RESYNC
PCR.1
Initiate Manual Resync Process. A low to high transition will
force the DS2172 to resynchronize to the incoming pattern at
RDATA. Must be cleared and set again for a subsequent resync.
LPBK
PCR.0
Transmit/Receive
Loopback
Select.
When
enabled,
the
RDATA input is disabled; TDATA continues to output data as
normal. See Figure 1.
0 = loopback disabled
1 = loopback enabled
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2172T 功能描述:電信集成電路 Bit Error Rate Tester (BERT) RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray
DS2172T/T&R 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC TESTER BIT ERROR RATE 32-TQFP 制造商:Maxim Integrated Products 功能描述:Telecom ICs Bit Error Rate Tester (BERT)
DS2172T/T&R+ 制造商:Maxim Integrated Products 功能描述:BERT 32P TQFP T&R LEAD FREE - Tape and Reel
DS2172T/T&R 功能描述:電信集成電路 Bit Error Rate Tester (BERT) RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray
DS2172T+ 功能描述:電信集成電路 Bit Error Rate Tester (BERT) RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray
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