參數(shù)資料
型號(hào): S80C32-44:RD
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 44 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 123/152頁
文件大?。?/td> 2528K
34
ATmega8535(L)
2502K–AVR–10/06
asynchronous timer should be considered undefined after wake-up in Power-save mode
if AS2 is 0.
This sleep mode basically halts all clocks except clk
ASY, allowing operation only of asyn-
chronous modules, including Timer/Counter2 if clocked asynchronously.
Standby Mode
When the SM2..0 bits are 110 and an external crystal/resonator clock option is selected,
the SLEEP instruction makes the MCU enter Standby mode. This mode is identical to
Power-down with the exception that the Oscillator is kept running. From Standby mode,
the device wakes up in six clock cycles.
Extended Standby Mode
When the SM2..0 bits are 111 and an external crystal/resonator clock option is selected,
the SLEEP instruction makes the MCU enter Extended Standby mode. This mode is
identical to Power-save mode with the exception that the Oscillator is kept running.
From Extended Standby mode, the device wakes up in six clock cycles.
Notes:
1. External Crystal or resonator selected as clock source
2. If AS
2 bit in ASSR is set
3. Only INT2 or level interrupt INT1 and INT0
Table 14. Active Clock Domains and Wake-up Sources in the Different Sleep Modes.
Active Clock domains
Oscillators
Wake up sources
Sleep
Mode
clkCPU
clkFLASH
clkIO
clkADC
clkASY
Main
Clock
Source
Enabled
Timer
Osc
Enabled
INT2
INT1
INT0
TWI
Address
Match
Timer
2
SPM/
EEPROM
Ready
A
D
C
Other
I/O
Idle
X
XX
X
ADC
Noise
Reduction
XX
X
XX
X
Power-
down
X
Power-
save
Standby(1)
XX(3)
X
Extended
Standby(1)
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