參數(shù)資料
型號: DS33ZH11+
廠商: Maxim Integrated Products
文件頁數(shù): 117/172頁
文件大小: 0K
描述: IC MAPPER ETHERNET 100CSBGA
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 7
應(yīng)用: 數(shù)據(jù)傳輸
接口: 串行
電源電壓: 1.8V,2.5V,3.3V
封裝/外殼: 100-LFBGA,CSPBGA
供應(yīng)商設(shè)備封裝: 100-CSBGA(10x10)
包裝: 托盤
安裝類型: 表面貼裝
DS33Z11 Ethernet Mapper
49 of 172
8.14.3 PHY MII Management Block and MDIO Interface
The MII Management Block allows for the host to control up to 32 PHYs, each with 32 registers. The MII block
communicates with the external PHY using 2-wire serial interface composed of MDC (serial clock) and MDIO for
data. The MDIO data is valid on the rising edge of the MDC clock. The Frame format for the MII Management
Interface is shown Figure 8-8. The read/write control of the MII Management is accomplished through the indirect
SU.MACMIIA MII Management Address Register and data is passed through the indirect SU.MACMIID Data
Register. These indirect registers are accessed through the MAC Control Registers defined in Table 8-6. The
MDC clock is internally generated and runs at 1.67 MHz.
Figure 8-8 MII Management Frame
READ
111...111
01
10
01
PHYA[4:0]
PHYR[4:0]
ZZ
10
ZZZZZZZZZ
Z
Preamble
Start
Opco
de
Phy Adrs
Phy Reg
Turn
Aroun
d
Data
111...111
PHYA[4:0]
PHYR[4:0]
PHYD[15:0]
32 bits
2 bits
5 bits
2 bits
16
bits
Idle
1
Bit
WRITE
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