參數(shù)資料
型號: ATTINY2313A-MUR
廠商: Atmel
文件頁數(shù): 95/172頁
文件大小: 0K
描述: MCU AVR 2K FLASH 20MHZ 20QFN
產品培訓模塊: tinyAVR Introduction
標準包裝: 6,000
系列: AVR® ATtiny
核心處理器: AVR
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,SPI,UART/USART
外圍設備: 欠壓檢測/復位,POR,PWM,WDT
輸入/輸出數(shù): 18
程序存儲器容量: 2KB(1K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 128 x 8
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 5.5 V
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
29
8246B–AVR–09/11
ATtiny2313A/4313
Watchdog Timer and for the Reset Time-out. For more information on the pre-programmed cali-
bration value, see the section “Calibration Byte” on page 181.
Note:
1. The device is shipped with this option selected.
When this Oscillator is selected, start-up times are determined by the SUT Fuses as shown in
Notes:
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.
2. The device is shipped with this option selected.
6.2.4
128 kHz Internal Oscillator
The 128 kHz Internal Oscillator is a low power Oscillator providing a clock of 128 kHz. The fre-
quency is nominal at 3 V and 25
°C. This clock may be selected as the system clock by
programming the CKSEL Fuses to 0110.
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.
Table 6-3.
Internal Calibrated RC Oscillator Operating Modes
CKSEL3..0
Nominal Frequency
0010
4.0 MHz
0100
8.0 MHz(1)
Table 6-4.
Start-up Times for the Internal Calibrated RC Oscillator Clock Selection
SUT1..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(2)
6 CK
14CK + 64 ms
Slowly rising power
11
Reserved
Table 6-5.
Start-up Times for the 128 kHz Internal Oscillator
SUT1..0
Start-up Time from Power-
down and Power-save
Additional Delay from
Reset
Recommended Usage
00
6 CK
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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