Table 35-9. fcce/fccm field descriptions, Fcce/fccm field descriptions -21 – Freescale Semiconductor MPC8260 User Manual
Page 1217
Fast Ethernet Controller
MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
Freescale Semiconductor
35-21
describes FCCE/FCCM fields.
shows interrupts that can be generated in the Ethernet protocol.
Reset
0000_0000_0000_0000
R/W
R/W
Addr
0x0x11310 (FCCE1), 0x0x11330 (FCCE2), 0x0x11350 (FCCE3)/
0x0x11314 (FCCM1), 0x0x11334 (FCCM2), 0x0x11354 (FCCM3)
16
31
Field
—
Reset
0000_0000_0000_0000
R/W
R/W
Addr
0x11312 (FCCE1), 0x11332 (FCCE2), 0x11352 (FCCE3)/
0x11316 (FCCM1), 0x11336 (FCCM2), 0x11356 (FCCM3)
Table 35-9. FCCE/FCCM Field Descriptions
Bits
Name
Description
0–7
—
Reserved, should be cleared.
8
GRA
Graceful stop complete. A graceful stop, initiated by the
GRACEFUL
STOP
TRANSMIT
command, is
complete. When the command is issued, GRA is set as soon the transmitter finishes sending a
frame in progress. If no frame is in progress, GRA is set immediately.
9
RXC
RX control. A control frame has been received (FSMR[FCE] must be set). As soon as the transmitter
finishes sending the current frame, a pause operation is performed.
10
TXC
TX control. An out-of-sequence frame was sent.
11
TXE
Tx error. An error occurred on the transmitter channel.
12
RXF
Rx frame. Set when a complete frame is received on the Ethernet channel.
13
BSY
Busy condition. Set when a frame is received and discarded due to a lack of buffers.
14
TXB
Tx buffer. Set when a buffer has been sent on the Ethernet channel.
15
RXB
Rx buffer. A buffer that was not a complete frame is received on the Ethernet channel.
16–31
—
Reserved, should be cleared.
Figure 35-6.
Ethernet Event Register (FCCE)/Mask Register (FCCM)