參數(shù)資料
型號(hào)： ATTINY84A-CCU
廠商： Atmel
文件頁數(shù)： 55/135頁
文件大?。?/td> 0K
描述： IC MCU 8BIT 8K FLASH 15UFBGA
標(biāo)準(zhǔn)包裝： 490
系列： AVR® ATtiny
核心處理器： AVR
芯體尺寸： 8-位
速度： 20MHz
連通性： USI
外圍設(shè)備： 欠壓檢測/復(fù)位，POR，PWM，溫度傳感器，WDT
輸入/輸出數(shù)： 12
程序存儲(chǔ)器容量： 8KB（4K x 16）
程序存儲(chǔ)器類型： 閃存
EEPROM 大小： 512 x 8
RAM 容量： 512 x 8
電壓 - 電源 (Vcc/Vdd)： 1.8 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： 15-UFBGA
包裝： 托盤
25
8183F–AVR–06/12
ATtiny24A/44A/84A
6.1.2
I/O Clock – clk
I/O
The I/O clock is used by the majority of the I/O modules, like Timer/Counter. The I/O clock is
also used by the External Interrupt module, but note that some external interrupts are detected
by asynchronous logic, allowing such interrupts to be detected even if the I/O clock is halted.
6.1.3
Flash Clock – clk
FLASH
The Flash clock controls operation of the Flash interface. The Flash clock is usually active simul-
taneously with the CPU clock.
6.1.4
ADC Clock – clk
ADC
The ADC is provided with a dedicated clock domain. This allows halting the CPU and I/O clocks
in order to reduce noise generated by digital circuitry. This gives more accurate ADC conversion
results.
6.2
Clock Sources
The device has the following clock source options, selectable by Flash Fuse bits as shown
below. The clock from the selected source is input to the AVR clock generator, and routed to the
appropriate modules.
Note:
1. For all fuses “1” means unprogrammed and “0” means programmed.
The various choices for each clocking option is given in the following sections. When the CPU
wakes up from Power-down the selected clock source is used to time the start-up, ensuring sta-
ble Oscillator operation before instruction execution starts. When the CPU starts from reset,
there is an additional delay allowing the power to reach a stable level before commencing nor-
mal operation. The Watchdog Oscillator is used for timing this real-time part of the start-up time.
The number of WDT Oscillator cycles used for each time-out is shown in Table 6-2.
Table 6-1.
Device Clocking Options
Device Clocking Option
CKSEL[3:0]
0000
Reserved
0001
0010
Reserved
0011
0100
Reserved
0101
Reserved
0111
1000-1111
Table 6-2.
Number of Watchdog Oscillator Cycles
Typ Time-out
Number of Cycles
4 ms
512
64 ms
8K (8,192)
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參數(shù)描述
ATTINY84A-CCUR 功能描述:8位微控制器 -MCU 20MHz Ind. Grade 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
ATTINY84A-MF 制造商:Atmel Corporation 功能描述:IC MCU 8BIT 8KB FLASH 20QFN 制造商:Atmel Corporation 功能描述:AVR, 8K FLASH 2K SRAM, 1KB EEPROM - 16MHz, 4x4 WQFN, High Grade +125C, Green
ATTINY84A-MFR 制造商:Atmel Corporation 功能描述:16MHZ,4X4WQFN,HIGH GRADE +125C,GREEN,T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU 8BIT 8KB FLASH 20QFN 制造商:Atmel Corporation 功能描述:AVR, 8K FLASH 2K SRAM, 1KB EEPROM - 16MHz,4x4WQFN,High Grade +125C,Green,T&R
ATTINY84A-MMH 功能描述:8位微控制器 -MCU 20MHz Ind. Grade 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
ATTINY84A-MMHR 功能描述:8位微控制器 -MCU 20MHz Ind Grade 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
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