Texas Instruments Development Kit for TM4C129x,Tiva™ ARM® Cortex™ -M4 Microcontroller DK-TM4C129X DK-TM4C129X Scheda Tecnica
Codici prodotto
DK-TM4C129X
Description
Reset
Type
Name
Bit/Field
False Carrier Sense Latch
Description
Value
No False Carrier event has occurred.
0
False Carrier event has occurred since last read of
EPHYFCSCR register (0x014).
EPHYFCSCR register (0x014).
1
This bit is cleared on a read of the EPHYFCSR register.
0
RO
FCSL
11
Signal Detect
This bit displays the active high 100Base-TX unconditional Signal Detect
indication from the PMD (Physical Layer Medium Dependent).
indication from the PMD (Physical Layer Medium Dependent).
This bit is latched low and held until it is read, based upon the occurrence
of the corresponding event.
of the corresponding event.
0
RO
SD
10
Descrambler Lock
This bit displays the active high 100Base-TX Descrambler Lock indication
from PMD.
from PMD.
This bit is latched low and held until it is read, based upon the occurrence
of the corresponding event.
of the corresponding event.
0
RO
DL
9
Link Code Page Received
Description
Value
Link Code Word Page has not been received.
0
A new Link Code Word Page has been received. This is a
duplicate of Page Received (bit 1) in the EPHYANER register
and it is cleared on read of the EPHYANER register (0x006).
duplicate of Page Received (bit 1) in the EPHYANER register
and it is cleared on read of the EPHYANER register (0x006).
1
This bit is not cleared upon a read of the EPHYSTS register.
0
RO
PAGERX
8
MII Interrupt Pending
Description
Value
No interrupt pending
0
Indicates that an internal interrupt is pending. Interrupt source
can be determined by reading the EPHYMISR1 Register (PHY
offset 0x012). Reading the EPHYMISR1 clears this Interrupt bit
indication.
can be determined by reading the EPHYMISR1 Register (PHY
offset 0x012). Reading the EPHYMISR1 clears this Interrupt bit
indication.
1
0
RO
MIIREQ
7
Remote Fault
Description
Value
No remote fault condition detected.
0
Remote Fault condition detected. Criteria for a fault is when
there is notification from Link Partner of Remote Fault via
Auto-Negotiation. Cleared on read of EPHYBMSR register (PHY
offset 0x001) or by reset.
there is notification from Link Partner of Remote Fault via
Auto-Negotiation. Cleared on read of EPHYBMSR register (PHY
offset 0x001) or by reset.
1
0
RO
RF
6
1811
December 13, 2013
Texas Instruments-Advance Information
Tiva
™
TM4C129XNCZAD Microcontroller