參數(shù)資料
型號: KSZ8895MQI
廠商: Micrel Inc
文件頁數(shù): 94/119頁
文件大?。?/td> 0K
描述: IC ETHERNET SWITCH 5PORT 128PQFP
特色產(chǎn)品: KSZ8895MQ Ethernet Switches
標(biāo)準(zhǔn)包裝: 66
系列: *
其它名稱: 576-3997
PIC16(L)F1782/3
DS41579C-page 76
Preliminary
2011-2012 Microchip Technology Inc.
7.5
Register Definition: Reference Clock Control
REGISTER 7-1:
CLKRCON: REFERENCE CLOCK CONTROL REGISTER
R/W-0/0
R/W-1/1
R/W-0/0
CLKREN
CLKROE
CLKRSLR
CLKRDC<1:0>
CLKRDIV<2:0>
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7
CLKREN: Reference Clock Module Enable bit
1 = Reference clock module is enabled
0 = Reference clock module is disabled
bit 6
CLKROE: Reference Clock Output Enable bit
1 = Reference clock output is enabled on CLKR pin
0 = Reference clock output disabled on CLKR pin
bit 5
CLKRSLR: Reference Clock Slew Rate Control Limiting Enable bit
1 = Slew rate limiting is enabled
0 = Slew rate limiting is disabled
bit 4-3
CLKRDC<1:0>: Reference Clock Duty Cycle bits
11 = Clock outputs duty cycle of 75%
10 = Clock outputs duty cycle of 50%
01 = Clock outputs duty cycle of 25%
00 = Clock outputs duty cycle of 0%
bit 2-0
CLKRDIV<2:0> Reference Clock Divider bits
111 = Base clock value divided by 128
110 = Base clock value divided by 64
101 = Base clock value divided by 32
100 = Base clock value divided by 16
011 = Base clock value divided by 8
010 = Base clock value divided by 4
001 = Base clock value divided by 2(1)
000 = Base clock value(2)
Note 1: In this mode, the 25% and 75% duty cycle accuracy will be dependent on the source clock duty cycle.
2: In this mode, the duty cycle will always be equal to the source clock duty cycle, unless a duty cycle of 0%
is selected.
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KSZ8895RQ 功能描述:以太網(wǎng) IC 5-port Switch, one SW5-RMII and one P5-RMII Interface RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
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