DS2151 Dallas Semiconducotr, DS2151 Datasheet - Page 9

• Manufacturer Part Number: DS2151
• Description: T1 Single-Chip Transceiver
• Manufacturer: Dallas Semiconducotr

RCR2: RECEIVE CONTROL REGISTER 2 (Address=2C Hex)
TCR1: TRANSMIT CONTROL REGISTER 1 (Address=35 Hex)
LOTCMC
(MSB)
(MSB)
RCS
SYMBOL
SYMBOL POSITION NAME AND DESCRIPTION
RESYNC
MOSCRF
RD4YM
SYNCE
RZBTSI
RSDW
RZBTSI
TFPT
FSBE
RSIO
RSM
RCS
POSITION
RCR2.7
RCR2.6
RCR2.5
RCR2.4
RCR2.3
RCR2.2
RCR2.1
RCR2.0
RCR1.1
RCR1.0
TCPT
RSDW
NAME AND DESCRIPTION
Receive Code Select.
0=idle code (7F Hex)
1=digital milliwatt code (1E/0B/0B/1E/9E/8B/8B/9E Hex)
Receive Side ZBTSI Enable.
0=ZBTSI disabled
1=ZBTSI enabled
RSYNC Double-Wide.
0=do not pulse double-wide in signaling frames
1=do pulse double-wide in signaling frames (note: this bit must
be set to 0 when RCR2.4=1 or when RCR2.3=1)
RSYNC Mode Select.
0=frame mode (see the timing in Section 13)
1=multiframe mode (see the timing in Section 13)
RSYNC I/O Select.
0=RSYNC is an output
1=RSYNC is an input (only valid if elastic store enabled) (note:
this bit must be set to 0 when CCR1.2=0)
Receive Side D4 Yellow Alarm Select.
0=0s in bit 2 of all channels
1=a 1 in the S-bit position of frame 12
PCVCR Fs Bit Error Report Enable.
0=do not report bit errors in Fs bit position; only Ft bit position
1=report bit errors in Fs bit position as well as Ft bit position
Multiframe Out of Sync Count Register Function Select.
0=count errors in the framing bit position
1=count the number of multiframes out of sync
Sync Enable.
0=auto resync enabled
1=auto resync disabled
Resync. When toggled from low to high, a resynchronization
of the receive side framer is initiated. Must be cleared and set
again for a subsequent resync.
RBSE
RSM
9 of 51
GB7S
RSIO
RD4YM
TLINK
FSBE
TBL
MOSCRF
(LSB)
(LSB)
TYEL
DS2151Q