參數(shù)資料
型號(hào)： KSZ8864RMN-EVAL
廠商： Micrel Inc
文件頁數(shù)： 107/111頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR KSZ8864RMN
標(biāo)準(zhǔn)包裝： 1
主要目的： 接口，以太網(wǎng)控制器（PHY 和 MAC）
嵌入式： 否
已用 IC / 零件： KSZ8864RMN
已供物品： 板
相關(guān)產(chǎn)品： 576-3787-ND - IC ETHERNET SW 4PORT 64QFN
其它名稱： 576-3869
1997 Microchip Technology Inc.
DS30444E - page 95
PIC16C9XX
13.1
LCD Timing
The LCD module has 3 possible clock source inputs
and supports static, 1/2, 1/3, and 1/4 multiplexing.
13.1.1
TIMING CLOCK SOURCE SELECTION
The clock sources for the LCD timing generation are:
Internal RC oscillator
Timer1 oscillator
System clock divided by 256
The rst timing source is an internal RC oscillator which
runs at a nominal frequency of 14 kHz. This oscillator
provides a lower speed clock which may be used to
continue running the LCD while the processor is in
sleep. The RC oscillator will power-down when it is not
selected or when the LCD module is disabled.
The second source is the Timer1 external oscillator.
This oscillator provides a lower speed clock which may
be used to continue running the LCD while the proces-
sor is in sleep. It is assumed that the frequency pro-
vided on this oscillator will be 32 kHz. To use the
Timer1 oscillator as a LCD module clock source, it is
only necessary to set the T1OSCEN (T1CON<3>) bit.
The third source is the system clock divided by 256.
This divider ratio is chosen to provide about 32 kHz
output when the external oscillator is 8 MHz. The
divider is not programmable. Instead the LCDPS regis-
ter is used to set the LCD frame clock rate.
All of the clock sources are selected with bits CS1:CS0
(LCDCON<3:2>). Refer to Figure 13-1 for details of the
register programming.
FIGURE 13-8: LCD CLOCK GENERATION
CS1:CS0
TMR1 32 kHz
crystal oscillator
Internal RC oscillator
Nominal FRC = 14 kHz
Static
1/2
1/3
1/4
÷4
÷32
LMUX1:LMUX0
4-bit Programmable
LCDPS<3:0>
÷1,2,3,4
Ring Counter
LMUX1:LMUX0
internal
data bus
COM2
÷256
÷2
FOSC
Prescaler
COM0
COM1
COM3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KSZ8864RMNI 功能描述:以太網(wǎng) IC 4-Port 10/100 Ethernet Switch w/ 2x PHYs and 2x MAC Interface - Industrial Temp 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
KSZ8864RMNU 功能描述:以太網(wǎng) IC 4-Port 10/100BT Switch with MII/RMII (Automotive) 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
KSZ8864RMNU TR 制造商:Micrel Inc 功能描述:IC ETHERNET SWITCH 4PORT 64MLF
KSZ8873FLL 功能描述:以太網(wǎng) IC 3-Port Fast Ethernet Switch with 2x FX Ports - Lead free 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
KSZ8873FLL-EVAL 功能描述:以太網(wǎng)開發(fā)工具 3-Port Fast Ethernet Switch with 2x FX Ports - Evaluation Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評(píng)估:KSZ8873RLL 接口類型:RMII 工作電源電壓:
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