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參數(shù)資料
| 型號： | R5F2L36CCNFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 10 X 10 MM, 0.50 MM PITCH, PLASTIC, LQFP-64 |
| 文件頁數(shù)： | 23/74頁 |
| 文件大?。?/td> | 959K |
| 代理商： | R5F2L36CCNFP |
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30
2588F–AVR–06/2013
ATtiny261/461/861
6.2.6
Crystal Oscillator / Ceramic Resonator
XTAL1 and XTAL2 are input and output, respectively, of an inverting amplifier which can be con-
figured for use as an On-chip Oscillator, as shown in Figure 6-4. Either a quartz crystal or a
ceramic resonator may be used.
Figure 6-4.
Crystal Oscillator Connections
C1 and C2 should always be equal for both crystals and resonators. The optimal value of the
capacitors depends on the crystal or resonator in use, the amount of stray capacitance, and the
electromagnetic noise of the environment. Some initial guidelines for choosing capacitors for
use with crystals are given in Table 6-11. For ceramic resonators, the capacitor values given by
the manufacturer should be used.
Notes:
1. This option should not be used with crystals, only with ceramic resonators.
The Oscillator can operate in three different modes, each optimized for a specific frequency
range. The operating mode is selected by fuses CKSEL3:1 as shown in Table 6-11.
The CKSEL0 Fuse together with the SUT1:0 Fuses select the start-up times as shown in Table
6-12.
Table 6-11.
Crystal Oscillator Operating Modes
CKSEL3:1
Frequency Range (MHz)
Recommended C1 and C2 Value (pF)
100(1)
0.4 - 0.9
–
101
0.9 - 3.0
12 - 22
110
3.0 - 8.0
12 - 22
111
8.0 -
12 - 22
Table 6-12.
Start-up Times for the Crystal Oscillator Clock Selection
CKSEL0
SUT1:0
Start-up Time from
Power-down and
Power-save
Additional Delay
from Reset
(VCC = 5.0V)
Recommended Usage
0
00
258 CK(1)
14CK + 4 ms
Ceramic resonator,
fast rising power
0
01
258 CK(1)
14CK + 64 ms
Ceramic resonator,
slowly rising power
0
10
1K (1024) CK(2)
14CK
Ceramic resonator,
BOD enabled
XTAL2
XTAL1
GND
C2
C1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R5F2L36CCNFP#30 | 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 128KB FLASH 64LQFP 制造商:Renesas Electronics Corporation 功能描述:R8C Series 16 bit 10 kB RAM 128 kB Flash Single Chip Microcontroller SMT-LQFP-64 |
| R5F2L36CCNFP#U0 | 功能描述:MCU 1KB FLASH 128K ROM 64-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/Lx/36C 標準包裝:96 系列:PIC® 16F 核心處理器:PIC 芯體尺寸:8-位 速度:20MHz 連通性:I²C，SPI 外圍設(shè)備:欠壓檢測/復(fù)位，POR，PWM，WDT 輸入/輸出數(shù):11 程序存儲器容量:3.5KB（2K x 14） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:128 x 8 電壓 - 電源 (Vcc/Vdd):2.3 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 包裝:管件 |
| R5F2L36CCNFP#V2 | 制造商:Renesas Electronics Corporation 功能描述:R8CL36C 128+4KB 1.8/5.5V -20 8 制造商:Renesas Electronics Corporation 功能描述:R8CL36C 128+4KB 1.8/5.5V -20~8 制造商:Renesas Electronics Corporation 功能描述:R8CL36C 128+4KB 1.8/5.5V -20 85C 64LQFP - Trays 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT 128KB FLASH 64LQFP |
| R5F2L36CMDFA#30 | 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 128KB FLASH 64LQFP |
| R5F2L36CMDFA#V0 | 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 128KB FLASH 64LQFP |
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