DS21Q55 Datasheet, PDF (74/237 Pages) List of Unclassifed Manufacturers – Quad T1/E1/J1 Transceiver

DS21Q55 Quad T1/E1/J1 Transceiver
Register Name:
Register Description:
Register Address:
IOCR2
I/O Configuration Register 2
02h
Bit #
Name
Default
7
RCLKINV
0
6
TCLKINV
0
5
RSYNCINV
0
4
TSYNCINV
0
3
TSSYNCINV
0
2
H100EN
0
1
0
TSCLKM RSCLKM
0
0
Bit 0/RSYSCLK Mode Select (RSCLKM)
0 = if RSYSCLK is 1.544MHz
1 = if RSYSCLK is 2.048MHz or IBO enabled (See Section 26 for details on IBO function.)
Bit 1/TSYSCLK Mode Select (TSCLKM)
0 = if TSYSCLK is 1.544MHz
1 = if TSYSCLK is 2.048MHz or IBO enabled (See Section 26 for details on IBO function.)
Bit 2/H.100 SYNC Mode (H100EN)
0 = normal operation
1 = SYNC shift
Bit 3/TSSYNC Invert (TSSYNCINV)
0 = no inversion
1 = invert
Bit 4/TSYNC Invert (TSYNCINV)
0 = no inversion
1 = invert
Bit 5/RSYNC Invert (RSYNCINV)
0 = no inversion
1 = invert
Bit 6/TCLK Invert (TCLKINV)
0 = no inversion
1 = invert
Bit 7/RCLK Invert (RCLKINV)
0 = no inversion
1 = invert
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