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ST802RT1AFR 数据表(PDF) 30 Page - STMicroelectronics

部件名 ST802RT1AFR
功能描述  10/100 real-time Ethernet 3.3 V transceiver
PDF  58 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST802RT1AFR 数据表(HTML) 30 Page - STMicroelectronics

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Registers and descriptors description
ST802RT1A, ST802RT1B
30/58
Doc ID 17049 Rev 1
Table 22.
RN13 [0d19, 0x13]: 100Base-TX control register
Bit
Bit name
Description
Default
RW
Type
Type
15:14
RESERVED
--
00b
RO
P
13
Disable RX err
counter
1 -> RX error counter disabled
0 -> Normal operation
0RW
-
12
Auto Neg Complete
1 -> Auto-negotiation complete
0 -> Auto-negotiation not completed
0RO
-
11:9
RESERVED
--
000b
RW
-
8
Enable DC rest
(Baseline wander)
1 -> Baseline wander enabled (DC restoration enabled)
0 -> Baseline wander disabled
1RW
-
7
Enable NRZI to
NRZ
1 -> nrz<->nrzi conversion enabled
0 -> nrz<->nrzi conversion disabled
1RW
-
6
RESERVED
--
1
RW
-
5
Transmit Isolation
1 -> Isolates MII and TX+/-
0 -> Normal operation
0RW
-
4:2
CMode
000 -> Auto-negotiation running
001 -> 10Base-T half-duplex
010 -> 100Base-TX half-duplex
011 -> Not used
100 -> Not used
101 -> 10Base-T full-duplex
110 -> 100Base-TX full-duplex
111 -> Transmit isolation
000b
RO
-
1
MLT3 Disable
1 -> MLT3 encoder and decoder disabled
0 -> MLT3 encoder and decoder enabled
0RW
-
0
Scrambler /
Descrambler
Disable
1 -> scrambler and descrambler disabled
0 -> scrambler and descrambler enabled
Scrambling-descrambling are always disabled if
operating in FX mode
0RW
-
Table 23.
RN14 [0d20, 0x14]: Receiver mode control register
Bit
Bit name
Description
Default
RW
Type
Type
15:12
RESERVED
--
0000b
RO
P
11
RESERVED
--
0
RW
-
10:8
RESERVED
--
000b
RO
P
7:3
PHY ADDR
Physical address for MDIO management
Strap
RW
-
2
RESERVED
--
0
RO
P
1
Preamble
suppression
1 -> Accepts management frames with preamble
suppressed
0 -> Doesn't accept management frames without
preamble
1RW
-
0
RESERVED
--
0
RO
P



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