XRT84L38IB Exar Corporation, XRT84L38IB Datasheet - Page 131

• Manufacturer Part Number: XRT84L38IB
• Description: Network Controller & Processor ICs 8 Ch T1/E1 Framer
• Manufacturer: Exar Corporation

Specifications of XRT84L38IB

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REV. 1.0.1
Receive Interface Control Register (RICR) (Indirect Address = 0xn0H, 0x22H)
B
face Select
Data Inter-
IT
Receive
Fraction
B
N
R/W
1-0
IT
UMBER
0
7
Transmit Interface Mode
Select
Reserved
B
R/W
IT
0
6
B
IT
N
AME
Clock Select
Sync- Pulse
Low Active
/ Receive
Receive
Payload
Select
B
R/W
IT
0
5
B
IT
R/W
Fractional
T
E1 Input
Receive
Enable
YPE
B
R/W
IT
0
4
Transmit Interface Mode Select:
When combined with the Transmit Multiplex Enable bit, these
bits determine the Transmit Back-plane Interface data rate.
The table below illustrates the Transmit Back-plane Interface
data rate for E1 mode with different Transmit Multiplex Enable bit
and Transmit Interface Mode Select Bits settings.
111
Enable Bit
Multiplex
Transmit
Inversion
0
0
0
0
1
1
1
1
Receive
Clock
B
R/W
IT
0
3
Select Bit
Transmit
Interface
Mode
Multiplex
Receive
1
0
0
1
1
0
0
1
1
Enable
B
B
R/W
IT
IT
0
D
2
ESCRIPTION
OCTAL T1/E1/J1 FRAMER
Select Bit
Transmit
Interface
Mode Select
Mode
Interface
0
0
1
0
1
0
1
0
1
Receive
B
Bit 1
R/W
IT
0
1
Bit Multiplexed
XRT84L38
16.384Mbit/s
16.384Mbit/s
16.384Mbit/s
Back-plane
Compatible
2.048Mbit/s
2.048Mbit/s
4.096Mbit/s
8.192Mbit/s
XRT84V24
Data Rate
Interface
HMVIP
Mode Select
H.100
MVIP
Interface
Receive
-
B
Bit 0
R/W
IT
0
0