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XRT83SH314
71
REV. 1.0.4
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
6.2
Detail Bit Descriptions
TABLE 25: MICROPROCESSOR REGISTER 0X00H BIT DESCRIPTION
CHANNEL 0-13 (0X00H-0XD0H)
BIT
NAME
FUNCTION
Regis-
ter Type
Default
Value
(HW reset)
D7
QRSS/PRBS
QRSS/PRBS Select Bits
This bit is used to select between QRSS and PRBS.
0 = QRSS
1 = PRBS
R/W
0
D6
PRBS_RX/TX
PRBS Receive/Transmit Select:
This bit is used select where the output of the PRBS Generator is
directed.
0 = PRBS Generator is output on TTIP and TRING
1 = PRBS Generator is output on TTIP, TRING and RPOS, RCLK
NOTE:
When this bit is set "High" the customer must ground
RNEG.
PBRS
Generator
Tx
TTIP
TRING
Clock
+
-
Bit D6 = "0"
PBRS
Generator
Tx
TTIP
TRING
RPOS
RNEG
RCLK
Clock
+
-
Bit D6 = "1"