EZ80F91MCU Datasheet, PDF (302/396 Pages) Zilog, Inc. – eZ80Acclaim-TM Flash Microcontrollers

eZ80F91 MCU
Product Specification
283
Table 180. EMAC Receive Blocks Left Register—Low Byte
(EMAC_BLKSLFT_L = 0055h)
Bit
Reset
CPU Access
Note: R = Read Only.
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
Bit
Position
Value
[7:0]
00h–
EMAC_BLKSLFT_L FFh
Description
These bits represent the Low byte of the 2-byte EMAC
Receive Blocks Left value, {EMAC_BLKSLFT_H,
EMAC_BLKSLFT_L}. Bit 7 is bit 7 of the 16-bit value.
Bit 0 is bit 0 (lsb) of the 16-bit value.
Table 181. EMAC Receive Blocks Left Register—High Byte
(EMAC_BLKSLFT_H = 0056h)
Bit
Reset
CPU Access
Note: R = Read Only.
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
Bit
Position
Value
[7:0]
00h–
EMAC_BLKSLFT_H FFh
Description
These bits represent the High byte of the 2-byte EMAC
Receive Blocks Left value, {EMAC_BLKSLFT_H,
EMAC_BLKSLFT_L}. Bit 7 is bit 15 (msb) of the 16-bit
value. Bit 0 is bit 8 of the 16-bit value.
PS019209-0504
PRELIMINARY
Ethernet Media Access Controller