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參數(shù)資料
| 型號： | MT8930CC |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | CMOS ST-BUS⑩ FAMILY Subscriber Network Interface Circuit Preliminary Information |
| 中文描述： | 意法半導體的CMOS總線⑩家庭用戶網(wǎng)絡接口電路的初步信息 |
| 文件頁數(shù)： | 20/42頁 |
| 文件大?。?/td> | 323K |
| 代理商： | MT8930CC |
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MT8930C
9-52
Table 7. HDLC Control Register 2 (Write Add. 00011
B
)
Note 2: These bits will be reset after a write to the TxFIFO
Table 8. HDLC Status Register (Read Add. 00011
B
)
BIT
NAME
DESCRIPTION
B7-B5
NA
Keep at ’0’ for normal operation.
B4
Trans
A ’1’ will place the HDLC in a transparent mode. This will perform the serial to parallel or
parallel to serial conversion without inserting or deleting the opening and closing flags,
CRC bytes or zero insertion. The source or destination of the data is determined by the
port selection bits in the HDLC Control Register 1.
B3
RxRst
A transition from ‘0’ to ’1’ will reset the receive FIFO. This causes the receiver to be
disabled until the reception of the next flag. (The status Register will identify the RxFIFO
as being empty). The device resets this bit to ‘0’ immediately after clearing the receive
FIFO.
B2
TxRst
A transition from ‘0’ to ’1’ will reset the transmit FIFO. This causes the transmitter to
clear all data in the TxFIFO. The device resets this bit to ‘0’ immediately after clearing
the transmit FIFO.
B1
FA
(2)
A ’1’ will ’tag’ the next byte written to the transmit FIFO and cause an abort sequence to
be transmitted once it reaches the bottom of the FIFO.
B0
EOP
(2)
A ’1’ will ’tag’ the next byte written to the transmit FIFO and cause an end of packet
sequence to be transmitted once it reaches the bottom of the FIFO.
BIT
NAME
DESCRIPTION
B7-B6
RxByte
Status
These two bits indicate the status of the received byte which is ready to be read from the
19 deep received FIFO. The status is encoded as follows:
B7 -B6
0 - 0
- Packet Byte
0 - 1
- First Byte
1 - 0
- Last Byte (Good FCS)
1 - 1
- Last Byte (Bad FCS)
B5-B4
RxFIFO
Status
These two bits indicate the status of the 19 deep receive FIFO. This status is encoded
as follows:
B5 - B4
0 - 0
- Rx FIFO Empty
0 - 0
-
≤
14 Bytes
1 - 0
- Rx FIFO Overflow
1 - 1
-
≥
15 Bytes
B3-B2
TxFIFO
Status
These two bits indicate the status of the 19 deep transmit FIFO as follows:
B3 - B2
0 - 0
- Tx FIFO Full
0 - 1
-
≥
5 Bytes
1 - 0
- Tx FIFO Empty
1 - 1
-
≤
Bytes
B1
Idle
If ’1’, an idle channel state has been detected.
B0
Int
If ’1’ an unmasked asynchronous interrupt has been detected.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT8930CE | CMOS ST-BUS⑩ FAMILY Subscriber Network Interface Circuit |
| MT8930CP | CMOS ST-BUS⑩ FAMILY Subscriber Network Interface Circuit |
| MT8931C | Subscriber Network Interface Circuit(用戶網(wǎng)絡接口電路（提供點到點或點到多點數(shù)字傳送）) |
| MT8940 | T1/CEPT Digital Trunk PLL(T1/CEPT數(shù)字中繼鎖相環(huán)) |
| MT8940 | ISO-CMOS ST-BUS⑩ FAMILY T1/CEPT Digital Trunk PLL |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8930CE | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Subscriber Network Interface Circuit |
| MT8930CP | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Subscriber Network Interface Circuit |
| MT8930CPR | 制造商:Microsemi Corporation 功能描述: |
| MT8931B | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Subscriber Network Interface Circuit |
| MT8931BC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Subscriber Network Interface Circuit |
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