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參數(shù)資料
| 型號： | DM9801E |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 1M home Phonrline Network Physical Layer Single Chip Transceiver |
| 中文描述： | 100萬家庭Phonrline網(wǎng)絡(luò)物理層單芯片收發(fā)器 |
| 文件頁數(shù)： | 31/61頁 |
| 文件大小： | 589K |
| 代理商： | DM9801E |
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DM9801
1M Home Phoneline Network Physical Layer Single Chip Transceiver
Preliminary
Version: DM9801-DS-P02
March 20, 2000
31
ISTAT (Interrupt Status) Register - Register 19
This register reports the state of each interrupt source regardless of the state of the IMASK Register.
Bit
Bit Name
Default
19.15 –
19.10
Interrupts
Description
Software
0,RW
Software Interrupts:
When set any bit of those registers indicates software interrupt
is on.
RXPCOM Valid:
When set this bit indicates a non-null RX_PCOM has been
received.
Accessing the high byte of the RX_PCOM register clears this
bit.
TXPCOM Ready:
When set this bit indicates a non-null TX_PCOM has been
loaded into the TX_PCOM register.
Reserved:
Write as 0, ignore on read
Packet Received:
When set this bit indicates a packet has been received
Packet Transmitted:
When set this bit indicates a packet has been transmitted
Remote Command Received:
When set this bit indicates a valid remote command has been
received.
Remote Command Sent:
When set this bit indicates a valid remote command has been
sent.
19.9
RX_PCOM_VAL
0,RW
19.8
TX_PCOM_RDY
0,RW
19.7 –
19.4
19.3
Reserved
0,RW
PKT_RCVD
0,RW
19.2
PKT_XMITD
0,RW
19.1
RMT_CMD_RCV
0,RW
19.0
RMT_CMD_SNT
0,RW
TX_PCOM High Register - Register 20
Bit
Bit Name
20.15 –
20.0
Default
0, RW
Description
TX_PCOM_HI
TX_PCOM_HI:
The high order word 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.
TX_PCOM Low Register - Register 21
Bit
Bit Name
21.15 –
21.0
Default
0, RW
Description
TX_PCOM_LO
TX_PCOM_LO:
The low order word 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.
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