參數(shù)資料
型號(hào): MB86965A
元件分類: 微控制器/微處理器
英文描述: 2 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP16
封裝: PLASTIC, QFP-160
文件頁(yè)數(shù): 36/76頁(yè)
文件大小: 394K
代理商: MB86965A
MB86965
41
Filter Self Receive Register (BMPR14)
Table 30. BMPR14 — Filter Self Receive Register
BIT
SYMBOL
TYPE
DESCRIPTION
7
RLD
WR0/1
REMOTE LINKDOWN: When set to 1, indicates that port is in linkdown condition. Can
generate interrupts if enabled by Interrupt Enable bit BMPR14<7>.
6
LLD
WR0/1
LOCAL LINKDOWN: When set to 1, indicates that port is in linkdown condition. Can
generate interrupts if enabled by Interrupt Enable bit BMPR14<6>.
5
RJAB
WR0/1
REMOTE JABBER: When set to 1, indicates that remote port is in Jabber condition.
Can generate interrupts if enabled by Interrupt Enable bit BMPR14<5>.
4
RMT
PORT
WR0/1
REMOTE PORT: When set to 1, indicates that remote port is compatible with and is
using the same kind of TP chip.
3
RXI POL
REV
WR0/1
REMOTE PORT: When set to 1, indicates reversed polarity.
2
0
RESERVED: Write 0
1
SQE
WR0
SIGNAL QUALITY ERROR: When set to 1, indicates detection of SQE. Can generate
interrupts if enabled by Interrupt Enable bit BMPR14<1>.
0
RESERVED: Write 0
Table 31 describes Transceiver Status register, BMPR15.
Note that when RMT PORT is set to 0, RLD,
DLCR15<7>, and RJAB, DLCR17<5>, are meaning-
less.
POWERDOWN MODE
When EtherCoupler is not in use, the powerdown feature
reduces power consumption by shutting off all internal
clocks. This feature is invoked by first setting DLC EN
bit, DLCR6<7>, high and disabling the Receiver and
Transmitter,
and
then
by
setting
PWRDN bit,
DLCR7<5>, low. The powerdown mode terminates by
setting the PWRDN bit high (writing a one to
DLCR7<5>) or by implementing a hardware reset.
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