DS2174 MAXIM [Maxim Integrated Products], DS2174 Datasheet - Page 11

• Manufacturer Part Number: DS2174
• Description: EBERT
• Manufacturer: MAXIM [Maxim Integrated Products]

3. CONTROL REGISTERS
Control Register 1 (Address = 0h)
SYNCE
(MSB)
SYMBOL
RSYNC
SYNCE
LPBK
QRSS
LSB
LC
TL
PS
RSYNC
SYNC Enable.
0 = Auto resync enabled
1 = Auto resync disabled
Initiate Manual Resync Process. A rising edge causes the device to go
out of sync and begin resynchronization process.
Latch Count Registers. A rising edge copies the bit count and bit error
count accumulators to the appropriate registers. The accumulators are
then cleared.
Transmit/Receive Loopback Select.
0 = Loopback disabled
1 = Loopback enabled
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
Pattern Select.
0 = Pseudorandom pattern
1 = Repetitive pattern
LSB/MSB.
0 = Repetitive pattern data is transmitted/received MSB first
1 = Repetitive pattern data is transmitted/received LSB first
Transmit Load. A rising edge causes the transmit shift register to be
loaded with the seed value.
LC
LPBK
DESCRIPTION
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QRSS
PS
LSB
(LSB)
TL
DS2174