ST802RT1A 데이터 시트보기 (PDF) - STMicroelectronics
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ST802RT1A Datasheet PDF : 58 Pages
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ST802RT1A, ST802RT1B
Registers and descriptors description
Next page: Indicates whether this is the last next page.
Msg page: Differentiates a message page from an unformatted page.
Ack2: Indicates that link partner has the ability to comply with the message.
Toggle: Used by the arbitration function to ensure synchronization with the link partner
during next page exchange.
Message code field: An 11-bit wide field, encoding 2048 possible messages.
Unformatted code field: An 11-bit wide field, which may contain an arbitrary value.
Table 19. RN10 [0d16, 0x10]: RMII-TEST control register
Bit
Bit name
Description
15:14 RESERVED ---
13 RESERVED ---
12:11 RESERVED ---
10 RESERVED ---
1 -> MII enabled
9
MII Enable
0 -> MII disabled, RMII enabled [see bit 10]
8:6 RESERVED ---
1 -> Far end fault enabled (only if auto-negotiation is
5
FEF Enable disabled)
0 -> Far end fault not enabled
4:3 RESERVED ---
1 -> Extended FIFO mechanism for RMII enabled
2 FIFO-Extended 0 -> Normal operation
This bit extends elasticity buffer size in RMII interface
1 -> Out-of-band signaling enabled
1
RMII_OOBS 0 -> Normal operation
To transfer no-TX/RX information (i.e. speed, link, duplex
mode) when TX_EN/CRS_DV are de-asserted (RMII 1.2)
0
RESERVED ---
Default
000b
000b
10b
0b
RW
type
RO
RW
RO
RW
Type
-
-
-
-
Strap RW
-
000b RW
-
0
RW
-
00b
RO
-
0
RW
-
0
RW
-
0
RW
-
Doc ID 17049 Rev 1
27/58
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