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參數(shù)資料
| 型號： | KSZ8863FLL |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 36/106頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ETHERNET SW 3PORT 48-LQFP |
| 產(chǎn)品培訓模塊： | KSZ8863 Ethernet Switch |
| 特色產(chǎn)品： | KSZ8863MLL, KSZ8863RLL and KSZ8863FLL Series |
| 標準包裝： | 250 |
| 控制器類型： | 以太網(wǎng)開關(guān)控制器 |
| 接口： | MII |
| 電源電壓： | 1.8V，2.5V，3.3V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 1081 (CN2011-ZH PDF) |
| 配用： | 576-3866-ND - BOARD EVALUATION FOR KSZ8863FLL |
| 其它名稱： | 576-3576 |
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PIC16C72 Series
DS39016A-page 34
Preliminary
1998 Microchip Technology Inc.
7.1
Capture Mode
In Capture mode, CCPR1H:CCPR1L captures the
16-bit value of the TMR1 register when an event occurs
on pin RC2/CCP1. An event is dened as:
every falling edge
every rising edge
every 4th rising edge
every 16th rising edge
An event is selected by control bits CCP1M3:CCP1M0
(CCP1CON<3:0>). When a capture is made, the inter-
rupt request ag bit CCP1IF (PIR1<2>) is set. It must
be cleared in software. If another capture occurs before
the value in register CCPR1 is read, the old captured
value will be lost.
7.1.1
CCP PIN CONFIGURATION
In Capture mode, the RC2/CCP1 pin should be cong-
ured as an input by setting the TRISC<2> bit.
FIGURE 7-2:
CAPTURE MODE
OPERATION BLOCK
DIAGRAM
7.1.2
TIMER1 MODE SELECTION
Timer1 must be running in timer mode or synchronized
counter mode for the CCP module to use the capture
feature. In asynchronous counter mode, the capture
operation may not work.
7.1.3
SOFTWARE INTERRUPT
When the Capture mode is changed, a false capture
interrupt may be generated. The user should keep bit
CCP1IE (PIE1<2>) clear to avoid false interrupts and
should clear the ag bit CCP1IF following any such
change in operating mode.
7.1.4
CCP PRESCALER
There are four prescaler settings, specied by bits
CCP1M3:CCP1M0. Whenever the CCP module is
turned off, or the CCP module is not in capture mode,
the prescaler counter is cleared. This means that any
reset will clear the prescaler counter.
Switching from one capture prescaler to another may
generate an interrupt. Also, the prescaler counter will
not be cleared, therefore the rst capture may be from
a non-zero prescaler. Example 7-1 shows the recom-
mended method for switching between capture pres-
calers. This example also clears the prescaler counter
and will not generate the “false” interrupt.
EXAMPLE 7-1:
CHANGING BETWEEN
CAPTURE PRESCALERS
CLRF
CCP1CON
;Turn CCP module off
MOVLW
NEW_CAPT_PS
;Load the W reg with
; the new prescaler
; mode value and CCP ON
MOVWF
CCP1CON
;Load CCP1CON with this
; value
Note:
If the RC2/CCP1 is congured as an out-
put, a write to the port can cause a capture
condition.
CCPR1H
CCPR1L
TMR1H
TMR1L
Set ag bit CCP1IF
(PIR1<2>)
Capture
Enable
Q’s
CCP1CON<3:0>
RC2/CCP1
Prescaler
÷ 1, 4, 16
and
edge detect
Pin
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| KSZ8863FLL-EVAL | 功能描述:以太網(wǎng)開發(fā)工具 3-Port 10/100 Ethernet Switch with 1x FX Port and 1x TX Port - Evaluation Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓: |
| KSZ8863FLLI | 功能描述:以太網(wǎng) IC 3-Port 10/100 Ethernet Switch w/ 1x FX Port and 1x TX Port (Industrial Grade) 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 |
| KSZ8863MLL | 功能描述:以太網(wǎng) IC 3-Port Copper 10/100 Ethernet Switch with 1x MII Interface (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 |
| KSZ8863MLL-EVAL | 功能描述:以太網(wǎng)開發(fā)工具 3-Port Copper 10/100 Ethernet Switch with 1x MII Interface - Evaluation Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓: |
| KSZ8863MLLI | 功能描述:以太網(wǎng) IC 3-Port Copper 10/100 Ethernet Switch w/ 1x MII Interface (Industrial Grade) 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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