ez80f91 ZiLOG Semiconductor, ez80f91 Datasheet - Page 327

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

Table 200. EMAC PHY Configuration Data Register—High Byte
Table 201. EMAC PHY Address Register (EMAC_RGAD = 003Eh)
PS027001-0707
Bit
Reset
CPU Access
Note: R/W = Read/Write.
Bit
Position
[7:0]
EMAC_CTLD_H
Bit
Reset
CPU Access
Note: R = Read Only; R/W = Read/Write.
Bit
Position
[7:5]
[4:0]
RGAD
EMAC PHY Address Register
The EMAC PHY Address Register allows access to the external PHY registers. See
Table
Value
000
00h–
1Fh
Value
00h–
FFh
201.
R/W
Description
Reserved.
Programmable 5 bit value which selects address within the
selected external PHY.
R
7
0
7
0
Description
These bits represent the High byte of the 2 byte PHY
configuration data value, {EMAC_CTLD_H,
EMAC_CTLD_L}. Bit 7 is bit 15 (msb) of the 16 bit value. Bit
0 is bit 8 of the 16 bit value.
R/W
R
6
0
6
0
R/W
R
5
0
5
0
R/W
R/W
4
0
4
0
R/W
R/W
3
0
3
0
R/W
R/W
2
0
2
0
(EMAC_CTLD_H = 003Dh)
R/W
R/W
Ethernet Media Access Controller
1
0
1
0
Product Specification
R/W
R/W
0
0
0
0
eZ80F91 ASSP
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