Texas Instruments Development Kit for TM4C129x,Tiva™ ARM® Cortex™ -M4 Microcontroller DK-TM4C129X DK-TM4C129X 데이터 시트
제품 코드
DK-TM4C129X
Description
Reset
Type
Name
Bit/Field
Loopback Mode Select
The PHY provides several options for Loopback that test and verify
various functional blocks within the PHY.
various functional blocks within the PHY.
Description
Value
reserved
0x00
Near-end loopback: PCS Input Loopback
0x01
Near-end loopback: PCS Output Loopback (In 100Base-TX
only)
only)
0x02
reserved
0x03
Near-end loopback: Digital Loopback
0x04
reserved
0x05-0x07
Near-end loopback: Analog Loopback (requires 100Ω
termination)
termination)
0x08
reserved
0x09-0x0F
Far-end Loopback: Reverse Loopback
0x10
0
RW
LBMODE
4:0
December 13, 2013
1826
Texas Instruments-Advance Information
Ethernet Controller