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參數(shù)資料
| 型號(hào)： | DM9801A |
| 文件頁數(shù)： | 38/60頁 |
| 文件大小： | 605K |
| 代理商： | DM9801A |
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DM9801A
1M Home Phoneline Network Physical Layer Single Chip Transceiver
38
Final
Version: DM9801A-DS-F01
May 30, 2001
TX_PCOM Low B Register - Register 8 (INTFSEL = 1, GPSI Mode)
Bit
Bit Name
8.7 – 8.0 TX_PCOM_LOB
Default
0, RW
Description
TX_PCOM_LOB:
The 7
th
through the LSB of the 32-bit transmitted data field to be used
for out-of-band communications between PHY management entities.
The PHY will send all-0 PCOMs until the high byte in TX_PCOM_HI
has been accessed.
An access of any of the four TX_PCOM bytes will clear the
TX_PCOM_RDY bit in the ISTAT register.
TX_PCOM Low A Register - Register 9 (INTFSEL = 1, GPSI Mode)
Bit
Bit Name
9.7 – 9.0 TX_PCOM_LOA
Default
0, RW
Description
TX_PCOM_LOA:
The 15
th
through 8
th
bits of the 32-bit transmitted data field to be used
for out-of-band communications between PHY management entities.
The PHY will send all-0 PCOMs until the high byte in TX_PCOM_HI
has been accessed.
An access of any of the four TX_PCOM bytes will clear the
TX_PCOM_RDY bit in the ISTAT register.
TX_PCOM High B Register - Register 10 (INTFSEL = 1, GPSI Mode)
Bit
Bit Name
10.7 –
10.0
Default
0, RW
Description
TX_PCOM_HIB
TX_PCOM_HIB:
The 23
rd
through the 16
th
bits transmitted data field to be used for out-of-
band communications between PHY management entities.
The PHY will send all-0 PCOMs until the high byte has been
accessed.
An access of any of the four TX_PCOM bytes will clear the
TX_PCOM_RDY bit in the ISTAT register.
TX_PCOM High A Register - Register 11 (INTFSEL = 1, GPSI Mode)
Bit
Bit Name
11.7 –
11.0
Default
0, RW
Description
TX_PCOM_HIA
TX_PCOM_HIA:
The MSB of the 32-bit transmitted data field to be used for out-of-band
communications between PHY management entities.
The PHY will send all-0 PCOMs until the high byte has been
accessed.
An access of any of the four TX_PCOM bytes will clear the
TX_PCOM_RDY bit in the ISTAT register.
RX_PCOM Low B Register - Register 12 (INTFSEL = 1, GPSI Mode)
Bit
Bit Name
12.7 –
12.0
Default
0, RW
Description
RX_PCOM_LOB
RX_PCOM_LOB:
The LSB of the 32-bit receive data field to be used for out-of-band
communications between PHY management entities.
A non-null receive PCOM will set the RX_PCOM_VAL bit in the ISTAT
register.
An access of the high byte of the RX_PCOM_HI register will clear the
RX_PCOM_VAL bit in the ISTAT register.
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