參數資料
型號: ADM6996L
廠商: INFINEON TECHNOLOGIES AG
英文描述: 6 port 10/100 Mb/s Single Chip Ethernet Switch Controller
中文描述: 6端口10/100 Mb / s的單芯片以太網交換機控制器
文件頁數: 52/61頁
文件大?。?/td> 1743K
代理商: ADM6996L
ADM6996L
Register Description
4.7 Serial Interface Timing
ADM6996L serial chip internal counter or EEPROM access timing.
EESK: Similar as MDC signal.
EDI: Similar as MDIO.
ECS: Must keep low.
z
0
TA
Register Data [31:0]
Idle
Preamble
Table
Select
1
EECK
EEDI
(STA)
z
0
1
0
0
0
0
0
0
0
0
z
z
0
1
1
0
1
0
0
0
Start
Opcode
(read)
Device
Address
0
1
1
1
1
1
Register Address
EEDI
(AT8999)
Preamble: At least 32 continuous “1”.
Start: 01(2 bits)
Opcode: 10 (2 bits, Only supports read command)
Table select: 1/Counter, 0/ EEPROM (1 bit)
Register Address: Read Target register address. ( 7 bits)
TA: Turn Around.
Register Data: 32 bit data.
Counter output bit sequence is bit 31 to bit 0.
If user read EEPROM then 32 bits data will separate as two EEPROM registers. The
sequence is:
Register +1, Register ( Register is even number).
Register, Register-1(Register is Odd number).
Example: Read Register 00h then ADM6996L will drive 0x01h & 0x00h.
Read Register 03h then ADM6996L will drive 0x03h & 0x02h.
Idle: EESK must send at least one clock at idle time.
ADM6996L issue Reset internal counter command
EESK: Similar as MDC signal.
EDI: Similar as MDIO.
ECS: Must keep low.
(reset)
Address
Type
Infineon-ADMtek Co. Ltd.
4-1
EECK
EEDI
(STA)
z
0
1
0
1
1
0
0
0
Start
Opcode
Device
0
0
0
0
0
1
Port Number or Counter Index
Preamble
Idle
Reset
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相關代理商/技術參數
參數描述
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