ds21ft40 Maxim Integrated Products, Inc., ds21ft40 Datasheet - Page 28

• Manufacturer Part Number: ds21ft40
• Description: Ds21ft40 Four X Three 12 Channel E1 Framer
• Manufacturer: Maxim Integrated Products, Inc.

TCR2: TRANSMIT CONTROL REGISTER 2 (Address=13 Hex)
CCR1: COMMON CONTROL REGISTER 1 (Address=14 Hex)
(MSB)
SYMBOLS
FLB
(MSB)
Sa8S
SYMBOLS
RHDB3
THDB3
TCRC4
TG802
RSM
FLB
AEBE
ODM
Sa8S
Sa7S
Sa6S
Sa5S
Sa4S
PF
THDB3
Sa7S
POSITION
POSITION
CCR1.7
CCR1.6
CCR1.5
CCR1.4
CCR1.3
CCR1.2
TCR2.7
TCR2.6
TCR2.5
TCR2.4
TCR2.3
TCR2.2
TCR2.1
TCR2.0
TG802
Sa6S
NAME AND DESCRIPTION
Framer Loopback.
Transmit G.802 Enable. See Section 16 for details.
Receive Signaling Mode Select.
0=loopback disabled
1=loopback enabled
Transmit HDB3 Enable.
0=HDB3 disabled
1=HDB3 enabled
Not applicable for DS21FT40. Should be cleared to zero.
Transmit CRC4 Enable.
0=CRC4 disabled
1=CRC4 enabled
0=CAS signaling mode
1=CCS signaling mode
Receive HDB3 Enable.
0=HDB3 disabled
1=HDB3 enabled
TCRC4
NAME AND DESCRIPTION
Sa8 Bit Select. Not applicable for DS21FT40.
Sa7 Bit Select. Not applicable for DS21FT40.
Sa6 Bit Select. Not applicable for DS21FT40.
Sa5 Bit Select. Not applicable for DS21FT40.
Sa4 Bit Select. Not applicable for DS21FT40.
Output Data Mode.
0 = pulses at TPOSO and TNEGO are one full TCLKO period
wide
1 = pulses at TPOSO and TNEGO are 1/2 TCLKO period
wide
Automatic E–Bit Enable.
0 = E–bits not automatically set in the transmit direction
1 = E–bits automatically set in the transmit direction
Function of RLOS/LOTC Pin.
Not applicable for DS21FT40. Should be cleared to zero.
Sa5S
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RSM
Sa4S
RHDB3
ODM
RG802
AEBE
RCRC4
(LSB)
(LSB)
DS21FT40
PF