參數(shù)資料
型號(hào)： AM79C901AVIT
廠商： Advanced Micro Devices, Inc.
英文描述： HomePHY Single-Chip 1/10 Mbps Home Networking PHY
中文描述： HomePHY單芯片的1 / 10 Mbps的家庭網(wǎng)絡(luò)物理層
文件頁(yè)數(shù)： 43/90頁(yè)
文件大?。?/td> 714K
代理商： AM79C901AVIT
Am79C901A
43
P R E L I M I N A R Y
USER ACCESSIBLE REGISTERS
The Am79C901A PHY has two types of user regis-
ters: 1 Mbps HomePNA PHY management registers
(HPRs) and 10BASE-T PHY management registers
(TBRs).
1 Mbps HomePNA PHY Management
Registers (HPRs)
The registers of the HomePNA PHY are accessible
via the MII or the SPI interface. All reserved registers
should not be written to, and reading them will return
an undetermined value. Table 16 lists all the registers
implemented in the HomePNA PHY.
Table 16.
1 Mbps HomePNA PHY Management Registers (HPRs)
Register
Address
0
Symbol
HPR0
Name
Basic/Extended
B
Default Value After
H_RESET
0400h
Control Register
1
HPR1
Status Register
B
0841h
2
HPR2
PHY_ID Register
E
0000h
3
HPR3
PHY_ID Register
E
6B91h
4
HPR4
Auto-Negotiation Register
E
0021h
5
HPR5
Auto-Negotiation Register
E
0000h
6
HPR6
Auto-Negotiation Register
E
0000h
7
HPR7
Auto-Negotiation Register
E
0000h
8-15
HPR8-HPR15
Reserved
E
–
16
HPR16
PHY Control Register
E
0005h
17
HPR17
Status/Control Register
E
000xh
18
HPR18
PHY TXCOMM Register
E
0000h
19
HPR19
PHY TXCOMM Register
E
0000h
20
HPR20
PHY RXCOMM Register
E
0000h
21
HPR21
PHY RXCOMM Register
E
0000h
22
HPR22
PHY AID Register
E
0000h
23
HPR23
PHY Noise Control Register
E
03FFh
24
HPR24
PHY Noise Control 2 Register
E
F4xxh
25
HPR25
PHY Noise Statistics Register
E
03FFh
26
HPR26
Event Status Register
E
0000h
27
HPR27
AID Control Register
E
1440h
28
HPR28
ISBI Control Register
E
2C1Ch
29
HPR29
TX Control Register
E
0444h
30
HPR30
Drive Level Control Register
E
x549h
31
HPR31
Analog Control Register
E
C000h
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