参数资料
型号: ATTINY26L-8PU
厂商: Atmel
文件页数: 89/169页
文件大小: 0K
描述: IC MCU AVR 2K 5V 8MHZ 20-DIP
产品培训模块: MCU Product Line Introduction
tinyAVR Introduction
标准包装: 18
系列: AVR® ATtiny
核心处理器: AVR
芯体尺寸: 8-位
速度: 8MHz
连通性: USI
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 16
程序存储器容量: 2KB(1K x 16)
程序存储器类型: 闪存
EEPROM 大小: 128 x 8
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
数据转换器: A/D 11x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-DIP(0.300",7.62mm)
包装: 管件
产品目录页面: 612 (CN2011-ZH PDF)
配用: ATSTK600-RC08-ND - STK600 ROUTING CARD AVR
ATSTK600-ND - DEV KIT FOR AVR/AVR32
ATAVRISP2-ND - PROGRAMMER AVR IN SYSTEM
ATSTK505-ND - ADAPTER KIT FOR 14PIN AVR MCU
其它名称: ATTINY26L-8PJ
ATTINY26L-8PJ-ND
26
1477K–AVR–08/10
ATtiny26(L)
quency of the Watchdog Oscillator is voltage dependent as shown in the Electrical
Characteristics section.
Default Clock
Source
The deviced is shipped with CKSEL = “0001”, SUT = “10”, and PLLCK unprogrammed. The
default clock source setting is therefore the internal RC Oscillator with longest startup time. This
default setting ensures that all users can make their desired clock source setting using an In-
System or Parallel Programmer.
Crystal Oscillator
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 22. Either a quartz crystal or a
ceramic resonator may be used. The maximum frequency for resonators is 12 MHz. The
CKOPT Fuse should always be unprogrammed when using this clock option. C1 and C2 should
always be equal. 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. For ceramic resona-
tors, the capacitor values given by the manufacturer should be used.
Figure 22. Crystal Oscillator Connections
The Oscillator can operate in three different modes, each optimized for a specific frequency
range. The operating mode is selected by the fuses CKSEL3..1 as shown in Table 6.
Note:
1. This option should not be used with crystals, only with ceramic resonators.
Table 5. Number of Watchdog Oscillator Cycles
Typ Time-out (VCC = 5.0V)
Typ Time-out (VCC = 3.0V)
Number of Cycles
4.1 ms
4.3 ms
4K (4,096)
65 ms
69 ms
64K (65,536)
Table 6. Crystal Oscillator Operating Modes
CKSEL3..1
Frequency
Range (MHz)
Recommended Range for Capacitors C1 and
C2 for Use with Crystals (pF)
0.4 - 0.9
110
0.9 - 3.0
12 - 22
111
3.0 - 16
12 - 22
16 -
12 - 15
XTAL2
XTAL1
GND
C2
C1
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