參數(shù)資料
型號(hào): MDS108AL
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: MicroFit 3.0 Header Vert CPI 6 ckt 569
中文描述: DATACOM, LAN SWITCHING CIRCUIT, PQFP208
封裝: 28 X 28 MM, 3.32 MM HEIGHT, PLASTIC, MO-143, QFP-208
文件頁數(shù): 32/37頁
文件大小: 308K
代理商: MDS108AL
MDS108
Data Sheet
32
Zarlink Semiconductor Inc.
14.4 Clock Frequency Specifications
Suggestion Clock rate for various configurations:
Symbol
Parameter
(Hz)
Note:
C1
SCLK - Core System Clock Input
50 M
C2
M_CLK - RMII Port Clock
50 M
C3
M8_REFCLK - MII Reference Clock
25 M
C4
L_CLK - Frame Buffer Memory Clock
50 M
L_CLK = SCLK
C5
M_MDC - MII Management Data Clock
SCL - I
2
C Data Clock
1.56 M
M_MDC = SCLK/32
C6
50 K
SCL = M_CLK/1000
Input
Output
Configuration
SCLK
M_CLK
(RMII)
M8_REF
L_CLK
M_MDC
SCL
Port 0-7
Port 8
10 M RMII
10/100 M MII
50 M
50 M
--
=SCLK
=SCLK/32
50 K
100 M RMII
Not Used
55 M
50 M
--
=SCLK
=SCLK/32
50 K
100 M RMII
10/100 M MII
60 M
50 M
--
=SCLK
=SCLK/32
50 K
100 M RMII
200 M MII
66.66 M
50 M
50 M
=SCLK
=SCLK/32
50 K
100 M RMII
300 M MII
75 M
50 M
75 M
=SCLK
=SCLK/32
50 K
100 M RMII
400 M MII
80 M
50 M
100 M
=SCLK
=SCLK/32
50 K
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