參數(shù)資料
型號： DM164134
廠商： Microchip Technology
文件頁數(shù)： 19/116頁
文件大?。?/td> 0K
描述： KIT DEV PIC18F4XK22
標準包裝： 1
系列： PIC® 18F
類型： MCU
適用于相關產(chǎn)品： PIC18F4XK22，PIC18F2XK22
所含物品： 板，文檔
2006 Microchip Technology Inc.
DS41159E-page 17
PIC18FXX8
2.0
OSCILLATOR
CONFIGURATIONS
2.1
Oscillator Types
The PIC18FXX8 can be operated in one of eight oscil-
lator modes, programmable by three configuration bits
(FOSC2, FOSC1 and FOSC0).
1.
LP
Low-Power Crystal
2.
XT
Crystal/Resonator
3.
HS
High-Speed Crystal/Resonator
4.
HS4
High-Speed Crystal/Resonator with
PLL enabled
5.
RC
External Resistor/Capacitor
6.
RCIO
External Resistor/Capacitor with I/O
pin enabled
7.
EC
External Clock
8.
ECIO
External Clock with I/O pin enabled
2.2
Crystal Oscillator/Ceramic
Resonators
In XT, LP, HS or HS4 (PLL) Oscillator modes, a crystal
or ceramic resonator is connected to the OSC1 and
OSC2 pins to establish oscillation. Figure 2-1 shows
the pin connections. An external clock source may also
be connected to the OSC1 pin, as shown in Figure 2-3
The PIC18FXX8 oscillator design requires the use of a
parallel cut crystal.
FIGURE 2-1:
CRYSTAL/CERAMIC
RESONATOR OPERATION
(HS, XT OR LP OSC
CONFIGURATION)
TABLE 2-1:
CERAMIC RESONATORS
Note:
Use of a series cut crystal may give a fre-
quency out of the crystal manufacturer’s
specifications.
Ranges Tested:
Mode
Freq
OSC1
OSC2
XT
455 kHz
2.0 MHz
4.0 MHz
68-100 pF
15-68 pF
68-100 pF
15-68 pF
HS
8.0 MHz
16.0 MHz
10-68 pF
10-22 pF
10-68 pF
10-22 pF
These values are for design guidance only.
See notes following Table 2-2.
Resonators Used:
455 kHz
Panasonic EFO-A455K04B
±0.3%
2.0 MHz
Murata Erie CSA2.00MG
±0.5%
4.0 MHz
Murata Erie CSA4.00MG
±0.5%
8.0 MHz
Murata Erie CSA8.00MT
±0.5%
16.0 MHz
Murata Erie CSA16.00MX
±0.5%
All resonators used did not have built-in capacitors.
Note 1: See Table 2-1 and Table 2-2 for recommended
values of C1 and C2.
2: A series resistor (RS) may be required for AT
strip cut crystals.
3: RF varies with the crystal chosen.
C1(1)
C2(1)
XTAL
OSC2
OSC1
RF
(3)
Sleep
To
Logic
PIC18FXX8
RS(2)
Internal
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相關代理商/技術參數(shù)
參數(shù)描述
DM164135 制造商:Microchip Technology Inc 功能描述:KIT, ONEPIC DEMO BOARD, PLUS PICKIT 3 制造商:Microchip Technology Inc 功能描述:KIT, ONEPIC DEMO BOARD, PLUS PICKIT 3; SVHC:No SVHC (19-Dec-2012) ;RoHS Compliant: Yes 制造商:Microchip Technology Inc 功能描述:One PIC MCU Platform Board with PICkit 3
DM164135 制造商:Microchip Technology Inc 功能描述:PICKIT 3 IN-CIRCUIT DEBUGGER
DM173001 功能描述:開發(fā)板和工具包 - PIC / DSPIC PICDEM 17 PIC17CXX RoHS:否 制造商:Microchip Technology 產(chǎn)品:Starter Kits 工具用于評估:chipKIT 核心:Uno32 接口類型: 工作電源電壓:
DM180021 功能描述:開發(fā)板和工具包 - PIC / DSPIC PIC18 Starter Kit RoHS:否 制造商:Microchip Technology 產(chǎn)品:Starter Kits 工具用于評估:chipKIT 核心:Uno32 接口類型: 工作電源電壓:
DM1800-434MB 功能描述:射頻模塊 DM1800 Base Station 433.92 MHz RoHS:否 制造商:Linx Technologies 產(chǎn)品:Transceiver Modules 頻帶:902 MHz to 928 MHz 輸出功率:- 15.5 dBm to + 12.5 dBm 接口類型:UART 工作電源電壓:- 0.3 VDC to + 5.5 VDC 傳輸供電電流:38.1 mA 接收供電電流:22.7 mA 天線連接器類型:U.FL 最大工作溫度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm
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