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參數(shù)資料
| 型號： | ATMEGA103-6AI |
| 廠商： | Atmel |
| 文件頁數(shù)： | 73/141頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 128K 6MHZ A/D IT 64TQFP |
| 產(chǎn)品培訓模塊： | megaAVR Introduction |
| 標準包裝： | 90 |
| 系列： | AVR® ATmega |
| 核心處理器： | AVR |
| 芯體尺寸： | 8-位 |
| 速度： | 6MHz |
| 連通性： | SPI，UART/USART |
| 外圍設(shè)備： | POR，PWM，WDT |
| 輸入/輸出數(shù)： | 32 |
| 程序存儲器容量： | 128KB（64K x 16） |
| 程序存儲器類型： | 閃存 |
| EEPROM 大?。?/td> | 4K x 8 |
| RAM 容量： | 4K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 4 V ~ 5.5 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 8x10b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 64-TQFP |
| 包裝： | 托盤 |
| 配用： | ATSTK501-ND - ADAPTER KIT FOR 64PIN AVR MCU |
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37
ATmega103(L)
0945I–AVR–02/07
Power-down Mode
When the SM1/SM0 bits are set to 10, the SLEEP instruction makes the MCU enter the
Power-down mode. In this mode, the external Oscillator is stopped while the external
interrupts and the Watchdog (if enabled) continue operating. Only an External Reset, a
Watchdog Reset (if enabled), or an external level interrupt can wake up the MCU.
Note that if a level-triggered interrupt is used for wake-up from Power-down mode, the
changed level must be held for some time to wake up the MCU. This makes the MCU
less sensitive to noise. The changed level is sampled twice by the Watchdog Oscillator
clock and if the input has the required level during this time, the MCU will wake up. The
period of the Watchdog Oscillator is 1 s (nominal) at 5.0V and 25
°C. The frequency of
the Watchdog Oscillator is voltage-dependent, as shown in “Typical Characteristics” on
When waking up from Power-down mode, a delay from the wake-up condition occurs
until the wake-up becomes effective. This allows the clock to restart and become stable
after having been stopped. The wake-up period is defined by the same SUT fuses that
define the Reset Time-out period. The wake-up period is equal to the clock reset period,
as shown in Table 5 on page 27.
If the wake-up condition disappears before the MCU wakes up and starts to execute,
e.g., a low-level on is not held long enough, the interrupt causing the wake-up will not be
executed.
Power-save Mode
When the SM1/SM0 bits are 11, the SLEEP instruction makes the MCU enter the
Power-save mode. This mode is identical to Power-down, with one exception:
If Timer/Counter0 is clocked asynchronously, i.e., the AS0 bit in ASSR is set,
Timer/Counter0 will run during sleep. In addition to the Power-down wake-up sources,
the device can also wake up from either Timer Overflow or Output Compare event from
Timer/Counter0 if the corresponding Timer/Counter0 interrupt enable bits are set in
TIMSK. To ensure that the part executes the interrupt routine when waking up, also set
the Global Interrupt Enable bit i SREG.
When waking up from Power-save mode by an external interrupt, two instruction cycles
are executed before the Interrupt Flags are updated. When waking up by the asynchro-
nous timer, three instruction cycles are executed before the flags are updated. During
these cycles, the processor executes instructions, but the interrupt condition is not read-
able and the interrupt routine has not started yet. If the asynchronous timer is not
clocked asynchronously, Power-down mode is recommended instead of Power-save
mode because the contents of the registers in the asynchronous timer should be consid-
ered undefined after wake-up in Power-save mode if AS0 is 0.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ATMEGA103L | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 128K Bytes In-System Programmable Flash |
| ATMEGA103L-4AC | 功能描述:8位微控制器 -MCU TQFP-64 128K FLASH 3 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| ATMEGA103L-4AI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-Bit Microcontroller with 64K/128K Bytes In-System Programmable Flash |
| ATMEGA128 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 128K Bytes In-System Programmable Flash |
| ATMEGA128(L) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ATmega128(L) Preliminary Summary [Updated 9/03. 23 Pages] |
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