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ST802RT1AFR 数据表(PDF) 28 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) 28 Page - STMicroelectronics

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Registers and descriptors description
ST802RT1A, ST802RT1B
28/58
Doc ID 17049 Rev 1
Table 20.
RN11 [0d17, 0x11]: Receiver configuration information and interrupt status register
Bit
Bit name
Description
Default
RW
type
Type
15:11
RESERVED
---
00000b
RO
P
10
FX_MODE
1 -> FX mode set
0 -> FX mode not set
If set to '1', auto-negotiation and scrambling is disabled. This
bit can be set through an opportune hardware topology in
ST802RT1B
0RO
-
9
Speed
1 -> 100 Mb/s mode
0 -> 10 Mb/s mode
This bit holds a valid value only if a link is already established
0RO
-
8
Duplex
1 -> Full-duplex mode enabled
0 -> Half-duplex mode enabled
This bit holds a valid value only if a link is already established
0RO
-
7Pause
1 -> Pause is enabled
0 -> Pause is disabled
Pause is active only after auto-negotiation completion, if both
devices; support symmetric pause (RN04[10], RN05[10])
0RO
-
6
Auto neg interrupt
1 -> “Auto-negotiation completed” interrupt is pending
0 -> Auto-negotiation not yet completed
Interrupt enabled by RN12[6]
0RO
LH
5
Remote fault
interrupt
1 -> “Remote fault condition” interrupt is pending
0 -> No remote fault condition detected
Interrupt enabled by RN12[5]
0RO
LH
4
Link down
interrupt
1 -> “link status changed to fail” interrupt is pending
0 -> no link status changes
Interrupt enabled by RN12[4]
0RO
LH
3
Auto-Negotiation
Link Code Word
Received
1 -> “acknowledge match” interrupt is pending
0 -> no link code word received
Interrupt enabled by RN12[3]
0RO
LH
2
Link down
interrupt
1 -> “Parallel Detection fault” interrupt is pending
0 -> No Parallel Detection faults
Interrupt enabled by RN12[2]
0RO
LH
1
Auto neg page
received
1 -> “Auto-negotiation page received” interrupt is pending
0 -> no auto-negotiation page received
Interrupt enabled by RN12[1]
0RO
LH
0RX_FULL
1 -> “receive error buffer full” interrupt is pending (64k packet
errors)
0 -> less than 64k error packets received
Interrupt enabled by RN12[0]. Related counter is cleared
after read
0RO
LH



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