參數(shù)資料
型號(hào): ATTINY2313A-SUR
廠商: Atmel
文件頁數(shù): 104/172頁
文件大?。?/td> 0K
描述: MCU AVR 2KB FLASH 20MHZ 20SOIC
產(chǎn)品培訓(xùn)模塊: tinyAVR Introduction
標(biāo)準(zhǔn)包裝: 1,000
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(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 18
程序存儲(chǔ)器容量: 2KB(1K x 16)
程序存儲(chǔ)器類型: 閃存
EEPROM 大小: 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(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
包裝: 帶卷 (TR)
其它名稱: ATTINY2313A-SUR-ND
37
8246B–AVR–09/11
ATtiny2313A/4313
For analog input pins, the digital input buffer should be disabled at all times. An analog signal
level close to V
CC/2 on an input pin can cause significant current even in active mode. Digital
input buffers can be disabled by writing to the Digital Input Disable Register (DIDR). See “DIDR
7.5
Register Description
7.5.1
MCUCR – MCU Control Register
The Sleep Mode Control Register contains control bits for power management.
Bits 6, 4 – SM1..0: Sleep Mode Select Bits 1 and 0
These bits select between the four available sleep modes as shown in Table 7-2.
Note:
Standby mode is only recommended for use with external crystals or resonators.
Bit 5 – SE: Sleep Enable
The SE bit must be written to logic one to make the MCU enter the sleep mode when the SLEEP
instruction is executed. To avoid the MCU entering the sleep mode unless it is the programmer’s
purpose, it is recommended to write the Sleep Enable (SE) bit to one just before the execution of
the SLEEP instruction and to clear it immediately after waking up.
7.5.2
PRR – Power Reduction Register
The Power Reduction Register provides a method to reduce power consumption by allowing
peripheral clock signals to be disabled.
Bits 7..4 – Res: Reserved Bits
These bits are reserved and will always read zero.
Bit 3 – PRTIM1: Power Reduction Timer/Counter1
Writing a logic one to this bit shuts down the Timer/Counter1 module. When the Timer/Counter1
is enabled, operation will continue like before the shutdown.
Bit
765
4321
0
PUD
SM1
SE
SM0
ISC11
ISC10
ISC01
ISC00
MCUCR
Read/Write
R/W
Initial Value
000
0000
0
Table 7-2.
Sleep Mode Select
SM1
SM0
Sleep Mode
00
Idle
0
1
Power-down
1
0
Standby
1
Power-down
Bit
7
654
3
2
1
0
PRTIM1
PRTIM0
PRUSI
PRUSART
PRR
Read/Write
R
R/W
Initial Value
0
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