ez80f91 ZiLOG Semiconductor, ez80f91 Datasheet - Page 345

• Manufacturer Part Number: ez80f91
• Description: Ez80 Acclaimplus!? Connectivity Assp Ez80f91 Assp
• Manufacturer: ZiLOG Semiconductor

Table 228. EMAC FIFO Flags Register
PS027001-0707
Bit
Reset
CPU Access
Note: R = Read Only.
Bit
Position
7
TFF
6
5
TFAE
4
TFE
3
RFF
2
RFAF
1
RFAE
0
RFE
EMAC FIFO Flags Register
The FIFO Flags value is set in the EMAC hardware to half full, or 16 bytes. See
Value
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
Description
Transmit FIFO full
Transmit FIFO not full
Reserved
Transmit FIFO almost empty
Transmit FIFO not almost empty
Transmit FIFO empty
Transmit FIFO not empty
Receive FIFO full
Receive FIFO not full
Receive FIFO almost full
Receive FIFO not almost full
Receive FIFO almost empty
Receive FIFO not almost empty
Receive FIFO empty
Receive FIFO not empty
R
7
0
R
6
0
R
5
1
(EMAC_FFLAGS = 0059h)
R
4
1
R
3
0
R
2
0
Ethernet Media Access Controller
R
1
1
Product Specification
R
0
1
eZ80F91 ASSP
Table
228.
337