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ST802RT1AFR Datasheet(PDF) 35 Page - STMicroelectronics

Part # ST802RT1AFR
Description  10/100 real-time Ethernet 3.3 V transceiver
PDF  58 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST802RT1AFR Datasheet(HTML) 35 Page - STMicroelectronics

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ST802RT1A, ST802RT1B
Registers and descriptors description
Doc ID 17049 Rev 1
35/58
Table 28.
RN1E [0d30, 0x1E]: Auxiliary PHY register
Bit
Bit name
Description
Default
RW
Type
Type
15
HCD 100base-Tx FDX
1 -> AN 100Base-TX full-duplex selected
0 -> AN 100Base-TX full-duplex not selected
0RO
-
14
HCD 100BASE-T4
1 -> AN 100Base-T4 selected (not supported)
0 -> AN 100Base-T4 not selected
Internally fixed to '0'
0RO
-
13
HCD 100base-TX
HDX
1 -> AN 100Base-TX half-duplex selected
0 -> AN 100Base-TX half-duplex not selected
0RO
-
12
HCD 10BASE-T FDX
1 -> AN 10Base-T full-duplex selected
0 -> AN 10Base-T full-duplex not selected
0RO
-
11
HCD 10BASE-T HDX
1 -> AN 10Base-T half-duplex selected
0 -> AN 10Base-T half-duplex not selected
0RO
-
10:9
RESERVED
---
00b
RO
P
8
Auto-Negotiation
restart
1 -> Restarts auto-negotiation process (ignored if auto-
negotiation is disabled)
0 -> Normal operation
Self-cleared after 21MHz-clock periods (auto-negotiation
is started). Same as RN00_CNTRL[9]
0RW
SC
7
Auto-Negotiation
complete
1 -> Auto-negotiation process completed
0 -> Auto-negotiation process not completed
Active only if auto-negotiation is enabled, else 0
Same as RN19_AUXSS[15] and RN01_STATS[5]
0RO
-
6
Auto-Negotiation
Acknowledge
Complete
1 -> AN ack completed
0 -> AN ack not yet completed
Held high until tx is disabled or auto-negotiation is
restarted
0RO
-
5
Auto-Negotiation
Acknowledge
1 -> AN first ack received
0 -> AN first ack not yet received
Held high until tx is disabled or auto-negotiation is
restarted
0RO
-
4
Auto-Negotiation
Ability
1 -> Auto-negotiation in ability detect state
0 -> Auto-negotiation not in ability detect state
Same as RN19_AUXSS[12]
0RO
-
3
Super Isolate
SUPER ISOLATE:
1 -> MII and RX isolated
0 -> Normal operation
All MII inputs are ignored, all MII outputs are tri-stated, no
link pulses generated.
Same effect setting to 1 both RN00[10] and RN13[5].
0RW
-
2
RESERVED
---
0
RO
P
1:0
RESERVED
---
00b
RW
-



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