XRT83L314 Datasheet, PDF (65/84 Pages) Exar Corporation – 14-CHANNEL T1/E1/J1 LONG-HAUL/SHORT-HAUL LINE INTERFACE UNIT

XRT83L314
14-CHANNEL T1/E1/J1 LONG-HAUL/SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.0
TABLE 33: MICROPROCESSOR REGISTER 0X08H BIT DESCRIPTION
BIT
NAME
CHANNEL 0-13 (0X08H-0XD8H)
FUNCTION
Register
Type
Default
Value
(HW reset)
D7
Reserved This Register Bit is Not Used
X
0
D6
1SEG6 Arbitrary Pulse Generation
R/W
0
D5
1SEG5 The transmit output pulse is divided into 8 individual segments.
0
D4
1SEG4 ^{This register is used to program the first segment which corre-}
0
D3
1SEG3 ^{sponds to the overshoot of the pulse amplitude. There are four}
0
D2
1SEG2
segments for the top portion of the pulse and four segments for the
bottom portion of the pulse. Segment number 5 corresponds to
0
D1
1SEG1 _{the undershoot of the pulse. The MSB of each segment is the sign}
0
D0
1SEG0 bit.
0
Bit 6 = 0 = Negative Direction
Bit 6 = 1 = Positive Direction
BIT
D7
D[6:0]
TABLE 34: MICROPROCESSOR REGISTER 0X09H BIT DESCRIPTION
CHANNEL 0-13 (0X09H-0XD9H)
NAME
FUNCTION
Register
Type
Reserved This Register Bit is Not Used
X
2SEG[6:0] Segment Number Two, Same Description as Register 0x08h
R/W
Default
Value
(HW reset)
0
BIT
D7
D[6:0]
TABLE 35: MICROPROCESSOR REGISTER 0X0AH BIT DESCRIPTION
CHANNEL 0-13 (0X0AH-0XDAH)
NAME
FUNCTION
Register
Type
Reserved This Register Bit is Not Used
X
3SEG[6:0] Segment Number Three, Same Description as Register 0x08h
R/W
Default
Value
(HW reset)
0
61