參數(shù)資料
型號(hào): MR80C52TXXX-30SBD
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CQCC44
封裝: LCC-44
文件頁數(shù): 97/141頁
文件大?。?/td> 7628K
代理商: MR80C52TXXX-30SBD
29
2486AA–AVR–02/2013
ATmega8(L)
least 22pF. By programming the CKOPT Fuse, the user can enable an internal 36pF capacitor
between XTAL1 and GND, thereby removing the need for an external capacitor.
Figure 12. External RC Configuration
The Oscillator can operate in four different modes, each optimized for a specific frequency
range. The operating mode is selected by the fuses CKSEL3..0 as shown in Table 7.
When this Oscillator is selected, start-up times are determined by the SUT Fuses as shown in
Note:
1. This option should not be used when operating close to the maximum frequency of the device
Table 7. External RC Oscillator Operating Modes
CKSEL3..0
Frequency Range (MHz)
0101
0.1 - 0.9
0110
0.9 - 3.0
0111
3.0 - 8.0
1000
8.0 - 12.0
Table 8. Start-up Times for the External RC Oscillator Clock Selection
SUT1..0
Start-up Time from
Power-down and
Power-save
Additional Delay
from Reset
(V
CC = 5.0V)
Recommended Usage
00
18 CK
BOD enabled
01
18 CK
4.1ms
Fast rising power
10
18 CK
65ms
Slowly rising power
11
6 CK(1)
4.1ms
Fast rising power or BOD enabled
XTAL2
XTAL1
GND
C
R
VCC
NC
相關(guān)PDF資料
PDF描述
MQ80C52EXXX-36/883D 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CQFP44
MD83C154CXXX-16P883D 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CDIP40
MR83C154CXXX-25P883R 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
MR83C154XXX-25/883D 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
MD80C32E-16/883 8-BIT, 16 MHz, MICROCONTROLLER, CDIP40
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MR80C86 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MR80C86/B 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述:Microprocessor, 16 Bit, 44 Pin, Ceramic, LCC
MR80C86-2 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MR80C86-2/883 制造商:Rochester Electronics LLC 功能描述:- Bulk
MR80C86-2/B 制造商:Intersil Corporation 功能描述:MPU 80C86 16BIT CMOS 8MHZ 44PLCC - Rail/Tube