Mac Relative Special Register - Samsung S3C2501X User Manual

ETHERNET CONTROLLER

7.4.2 MAC RELATIVE SPECIAL REGISTER

7.4.2.1 MAC Transmit Control Frame Status
The transmit control frame status register, CFTXSTAT provides the status of a MAC control frame as it is sent to
a remote station. This operation is controlled by the MSdPause bit in the transmit control register, MACTXCON.
It is the responsibility of the BDMA engine to read this register and to generate an interrupt to notify the system
that the transmission of a MAC control packet has been completed.
Registers Address
CFTXSTATA 0xF00A0030
CFTXSTATB 0xF00C0030
Bit Number
[15:0] MACTXSTAT[15:0]
7-24
Table 7-15. CFTXSTAT Register
R/W
R
R
Bit Name
A 16-bit value indicating the status of a MAC control packet as it
is sent to a remote station. Read by the BDMA engine.
Description
Transmit control frame status
Transmit control frame status
Description
S3C2501X
Reset Value
0x00000000
0x00000000