参数资料
型号: ICS1890Y-14
元件分类: 微控制器/微处理器
英文描述: 1 CHANNEL(S), 100M bps, SERIAL COMM CONTROLLER, PQFP64
封装: TQFP-64
文件页数: 25/66页
文件大小: 1749K
代理商: ICS1890Y-14
31
ICS1890
Duplex (bit 14)
If set to a logic one, this bit indicates that has been selected
full duplex mode. If set to a logic zero, it indicates that the half
duplex mode has been selected. This bits setting depends on
the setting of the HW/SW pin, DPXSEL pin, ANSEL pin, and
the setting of bits 0:12, 0:8, and 1:5.
Auto-Negotiation Progress (bit 13 - 11)
These three bits are encoded to indicate the progress of the
auto-negotiation cycle. These bits are initialized to zero. The
values indicate the progress of auto-negotiation. See the Auto-
Negotiation Progress Monitor section for the encodings and
additional details.
Receive Signal Error (bit 10)
If set to a logic one, the receive channel signal (bit 15) indicates
that theICS1890 read channel has, at some point, been unable
to detect the receive channel signal (either the IDLE stream in
100Base-TX mode or link pulses in 10Base-T mode). This bit
will remain set until cleared by reading the contents of register
17.
PLL Lock Error (bit 9)
If set to a logic one, the loss of PLL lock indicates that the
ICS1890 read channel PLL has failed to lock onto the read
channel signal. This bit will remain set until cleared by reading
the contents of register 17.
False Carrier (bit 8)
If set to a logic one, the false carrier indicates that the
ICS1890 has detected a false carrier sometime since this bit
was last reset. This bit will remain set until cleared by reading
the contents of register 17.
Invalid Symbol (bit 7)
If set to a logic one, the invalid symbol indicates that an
invalid symbol has been detected in a received frame since the
bit was last reset. This bit will remain set until cleared by
reading the contents of register 17.
Halt Symbol (bit 6)
If set to a logic one, the halt symbol (bit 10) indicates that the
ICS1890 has detected the halt symbol in a frame since bit 11
was last reset. This bit will remain set until cleared by reading
the contents of register 17.
Premature End (bit 5)
This bit is normally a logic zero indicating normal data streams.
If two IDLE symbols are detected during the reception of a
receive data stream, this bit is set to a logic one and the
ICS1890 returns to the idle state. This bit is initialized to a
logic zero.
Auto-Negotiation Complete (bit 5)
When set to a logic one, this bit indicates that the ICS1890
has completed the auto-negotiation process and that the
contents of registers 4, 5 and 6 are valid. When set to a logic
zero, this bit indicates that auto-negotiation is not complete or
that auto-negotiation has been disabled in the command register
(bit 12).
100Base_TX Signal Detect (bit 3)
The absence of 100Base_TX signaling on the TP_RX± pins
will cause this bit to be asserted (1)
Jabber Detect (bit 2)
When operating in the 10Base-T mode, if set to a logic one,
this bit indicates that a jabber condition occurred and that the
transmit pair has been isolated.
Remote Fault (bit 1) This is a copy of the Remote Fault bit
of the Status Register (register 1).
Link Status (bit 0) This is a copy of the Link Status bit of
the Status Register (register 1).
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