34 fec fifo reset register (fecfrst), Fec fifo reset register (fecfrst) -41 – Freescale Semiconductor MCF5480 User Manual
Page 971
Memory Map/Register Definition
MCF548x Reference Manual, Rev. 3
Freescale Semiconductor
30-41
30.3.3.34 FEC FIFO Reset Register (FECFRST)
The FIFO’s within the FEC module have independent controllers. This register provides the user the ability
to reset FIFOs via hardware or software.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
WRITE
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reg
Addr
MBAR + 0x91C0 (FEC0), 0x99C0 (FEC1)
Figure 30-36. FEC Transmit FIFO Write Pointer Register (FECTFWP)
Table 30-40. FECTFWP Field Descriptions
Bits
Name
Descriptions
31–10
—
Reserved, should be cleared.
9–0
WRITE
Write pointer. This pointer indicates the next location to be written by the FIFO controller.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R
0
0
0
0
0
0
SW_
RST
RST_
CTL
0
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reg
Addr
MBAR + 0x91C4 (FEC0), 0x99C4 (FEC1)
Figure 30-37. FEC FIFO Reset Register (FECFRST)