MT9075BP1 Zarlink, MT9075BP1 Datasheet - Page 84

• Manufacturer Part Number: MT9075BP1
• Description: PB FREE E1 SINGLE CHIP TRANSCEIVER
• Manufacturer: Zarlink

Transmit National Bit Buffer (Page 0DH)
Page 0DH, addresses 10H to 14H contain the five bytes of the transmit national bit buffer (TNBB0 - TNBB4
respectively). This feature is functional only when control bit NBTB (page 01H, address 10H) is one.
6 - 4
2 - 0
Bit
7
3
RFFS2 - 0
TFLS2 - 0
Name
(000)
(000)
---
---
Table 98 - HDLC Control Register 4
Unused.
These bits select the RXFF (Rx FIFO Full) interrupt threshold level:
Unused.
These bits select the TXFL (Tx FIFO Low) interrupt threshold level:
(Pages 0BH & 0CH, Address 1EH)
RFFS2
TFLS2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Zarlink Semiconductor Inc.
MT9075B
84
RFFS1
TFLS1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Functional Description
RFFS0
TFLS0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
TX FIFO Low Interrupt
RX FIFO Full Interrupt
threshold Level.
threshold Level.
104
112
120
64
72
80
88
96
16
24
32
40
48
56
64
8
Data Sheet