參數(shù)資料
型號(hào): MR80C52XXX-25SHXXX:R
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
封裝: LCC-44
文件頁數(shù): 105/176頁
文件大?。?/td> 4226K
34
8126F–AVR–05/12
ATtiny13A
Bits 4:3 – SM[1:0]: Sleep Mode Select Bits 1:0
These bits select between the three available sleep modes as shown in Table 7-2 on page 34.
7.5.3
PRR – Power Reduction Register
The Power Reduction Register provides a method to reduce power consumption by allowing
peripheral clock signals to be disabled.
Bits 7:2 – Res: Reserved Bits
These bits are reserved and will always read as zero.
Bit 1 – PRTIM0: Power Reduction Timer/Counter0
Writing a logic one to this bit shuts down the Timer/Counter0 module. When the Timer/Counter0
is enabled, operation will continue like before the shutdown.
Bit 0 – PRADC: Power Reduction ADC
Writing a logic one to this bit shuts down the ADC. The ADC must be disabled before shut down.
The analog comparator cannot be used when the ADC is shut down.
Table 7-2.
Sleep Mode Select
SM1
SM0
Sleep Mode
00
Idle
0
1
ADC Noise Reduction
1
0
Power-down
11
Reserved
Bit
7
654
3
2
10
PRTIM0
PRADC
PRR
Read/Write
R
R/W
Initial Value
0
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