MT9074AL Zarlink Semiconductor, Inc., MT9074AL Datasheet - Page 108

• Manufacturer Part Number: MT9074AL
• Description: T1/E1/J1 Single Chip Transceiver
• Manufacturer: Zarlink Semiconductor, Inc.

MT9074
108
6-4 RFFS2-0 These bits select the RXFF (Rx
2-0 TFLS2-0 These bits select the TXFL (Tx FIFO
Bit
7
3
Table 155 - HDLC Control Register 4
Name
---
---
(Page B & C, Address 1EH)
Unused.
FIFO Full) interrupt threshold level:
Unused.
Low) interrupt threshold level:
RFF
TFL
S2
S2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Functional Description
RFF
TFL
S1
S1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
RFF
TFL
S0
S0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Interrupt threshold
Interrupt threshold
TX FIFO Low
RX FIFO Full
Level.
Level.
104
112
120
64
72
80
88
96
16
24
32
40
48
56
64
8
Data Sheet