参数资料
型号: ATTINY13A-SFR
厂商: Atmel
文件页数: 45/67页
文件大小: 0K
描述: IC MCU AVR 1K FLASH 8SOIC
产品培训模块: MCU Product Line Introduction
tinyAVR Introduction
标准包装: 1
系列: AVR® ATtiny
核心处理器: AVR
芯体尺寸: 8-位
速度: 20MHz
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 6
程序存储器容量: 1KB(512 x 16)
程序存储器类型: 闪存
EEPROM 大小: 64 x 8
RAM 容量: 64 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 8-SOIC(0.209",5.30mm 宽)
包装: 标准包装
其它名称: ATTINY13A-SFRDKR
26
8126F–AVR–05/12
ATtiny13A
When this Oscillator is selected, start-up times are determined by the SUT fuses as shown in
Notes:
1. The device is shipped with this option selected.
2. If the RSTDISBL fuse is programmed, this start-up time will be increased to 14CK + 4 ms to
ensure programming mode can be entered.
6.2.3
Internal 128 kHz Oscillator
The 128 kHz internal Oscillator is a low power Oscillator providing a clock of 128 kHz. The fre-
quency depends on supply voltage, temperature and batch variations. This clock may be select
as the system clock by programming the CKSEL fuses to “11”.
When this clock source is selected, start-up times are determined by the SUT fuses as shown in
Note:
1. If the RSTDISBL fuse is programmed, this start-up time will be increased to 14CK + 4 ms to
ensure programming mode can be entered.
6.2.4
Default Clock Source
The device is shipped with CKSEL = “10”, SUT = “10”, and CKDIV8 programmed. The default
clock source setting is therefore the Internal RC Oscillator running at 9.6 MHz with longest start-
up time and an initial system clock prescaling of 8. This default setting ensures that all users can
make their desired clock source setting using an In-System or High-voltage Programmer.
6.3
System Clock Prescaler
The ATtiny13A system clock can be divided by setting the “CLKPR – Clock Prescale Register”
on page 28. This feature can be used to decrease power consumption when the requirement for
processing power is low. This can be used with all clock source options, and it will affect the
clock frequency of the CPU and all synchronous peripherals. clk
I/O, clkADC, clkCPU, and clkFLASH
are divided by a factor as shown in Table 6-8 on page 28.
Table 6-5.
Start-up Times for the Internal Calibrated RC Oscillator Clock Selection
SUT[1:0]
Start-up Time
from Power-down
Additional Delay from
Reset (V
CC = 5.0V)
Recommended Usage
00
6 CK
14CK(2)
BOD enabled
01
6 CK
14CK + 4 ms
Fast rising power
6 CK
14CK + 64 ms
Slowly rising power
11
Reserved
Table 6-6.
Start-up Times for the 128 kHz Internal Oscillator
SUT[1:0]
Start-up Time from
Power-down and Power-save
Additional Delay
from Reset
Recommended
Usage
00
6 CK
14CK(1)
BOD enabled
01
6 CK
14CK + 4 ms
Fast rising power
10
6 CK
14CK + 64 ms
Slowly rising power
11
Reserved
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